f71882fg.c 64.4 KB
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/***************************************************************************
 *   Copyright (C) 2006 by Hans Edgington <hans@edgington.nl>              *
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 *   Copyright (C) 2007,2008 by Hans de Goede <hdegoede@redhat.com>        *
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 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   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.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/jiffies.h>
#include <linux/platform_device.h>
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
#include <linux/mutex.h>
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#include <linux/io.h>
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#define DRVNAME "f71882fg"

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#define SIO_F71882FG_LD_HWM	0x04	/* Hardware monitor logical device */
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#define SIO_UNLOCK_KEY		0x87	/* Key to enable Super-I/O */
#define SIO_LOCK_KEY		0xAA	/* Key to diasble Super-I/O */

#define SIO_REG_LDSEL		0x07	/* Logical device select */
#define SIO_REG_DEVID		0x20	/* Device ID (2 bytes) */
#define SIO_REG_DEVREV		0x22	/* Device revision */
#define SIO_REG_MANID		0x23	/* Fintek ID (2 bytes) */
#define SIO_REG_ENABLE		0x30	/* Logical device enable */
#define SIO_REG_ADDR		0x60	/* Logical device address (2 bytes) */

#define SIO_FINTEK_ID		0x1934	/* Manufacturers ID */
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#define SIO_F71862_ID		0x0601	/* Chipset ID */
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#define SIO_F71882_ID		0x0541	/* Chipset ID */
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#define SIO_F8000_ID		0x0581	/* Chipset ID */
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#define REGION_LENGTH		8
#define ADDR_REG_OFFSET		5
#define DATA_REG_OFFSET		6

#define F71882FG_REG_PECI		0x0A

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#define F71882FG_REG_IN_STATUS		0x12 /* f71882fg only */
#define F71882FG_REG_IN_BEEP		0x13 /* f71882fg only */
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#define F71882FG_REG_IN(nr)		(0x20  + (nr))
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#define F71882FG_REG_IN1_HIGH		0x32 /* f71882fg only */
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#define F71882FG_REG_FAN(nr)		(0xA0 + (16 * (nr)))
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#define F71882FG_REG_FAN_TARGET(nr)	(0xA2 + (16 * (nr)))
#define F71882FG_REG_FAN_FULL_SPEED(nr)	(0xA4 + (16 * (nr)))
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#define F71882FG_REG_FAN_STATUS		0x92
#define F71882FG_REG_FAN_BEEP		0x93

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#define F71882FG_REG_TEMP(nr)		(0x70 + 2 * (nr))
#define F71882FG_REG_TEMP_OVT(nr)	(0x80 + 2 * (nr))
#define F71882FG_REG_TEMP_HIGH(nr)	(0x81 + 2 * (nr))
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#define F71882FG_REG_TEMP_STATUS	0x62
#define F71882FG_REG_TEMP_BEEP		0x63
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#define F71882FG_REG_TEMP_HYST(nr)	(0x6C + (nr))
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#define F71882FG_REG_TEMP_TYPE		0x6B
#define F71882FG_REG_TEMP_DIODE_OPEN	0x6F

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#define F71882FG_REG_PWM(nr)		(0xA3 + (16 * (nr)))
#define F71882FG_REG_PWM_TYPE		0x94
#define F71882FG_REG_PWM_ENABLE		0x96

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#define F71882FG_REG_FAN_HYST(nr)	(0x98 + (nr))
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#define F71882FG_REG_POINT_PWM(pwm, point)	(0xAA + (point) + (16 * (pwm)))
#define F71882FG_REG_POINT_TEMP(pwm, point)	(0xA6 + (point) + (16 * (pwm)))
#define F71882FG_REG_POINT_MAPPING(nr)		(0xAF + 16 * (nr))

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#define	F71882FG_REG_START		0x01

#define FAN_MIN_DETECT			366 /* Lowest detectable fanspeed */

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static unsigned short force_id;
module_param(force_id, ushort, 0);
MODULE_PARM_DESC(force_id, "Override the detected device ID");

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enum chips { f71862fg, f71882fg, f8000 };
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static const char *f71882fg_names[] = {
	"f71862fg",
	"f71882fg",
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	"f8000",
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};

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static struct platform_device *f71882fg_pdev;
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/* Super-I/O Function prototypes */
static inline int superio_inb(int base, int reg);
static inline int superio_inw(int base, int reg);
static inline void superio_enter(int base);
static inline void superio_select(int base, int ld);
static inline void superio_exit(int base);

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struct f71882fg_sio_data {
	enum chips type;
};

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struct f71882fg_data {
	unsigned short addr;
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	enum chips type;
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	struct device *hwmon_dev;
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	struct mutex update_lock;
	char valid;			/* !=0 if following fields are valid */
	unsigned long last_updated;	/* In jiffies */
	unsigned long last_limits;	/* In jiffies */

	/* Register Values */
	u8	in[9];
	u8	in1_max;
	u8	in_status;
	u8	in_beep;
	u16	fan[4];
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	u16	fan_target[4];
	u16	fan_full_speed[4];
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	u8	fan_status;
	u8	fan_beep;
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	/* Note: all models have only 3 temperature channels, but on some
	   they are addressed as 0-2 and on others as 1-3, so for coding
	   convenience we reserve space for 4 channels */
	u8	temp[4];
	u8	temp_ovt[4];
	u8	temp_high[4];
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	u8	temp_hyst[2]; /* 2 hysts stored per reg */
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	u8	temp_type[4];
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	u8	temp_status;
	u8	temp_beep;
	u8	temp_diode_open;
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	u8	pwm[4];
	u8	pwm_enable;
	u8	pwm_auto_point_hyst[2];
	u8	pwm_auto_point_mapping[4];
	u8	pwm_auto_point_pwm[4][5];
	u8	pwm_auto_point_temp[4][4];
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};

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/* Sysfs in */
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static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
	char *buf);
static ssize_t show_in_max(struct device *dev, struct device_attribute
	*devattr, char *buf);
static ssize_t store_in_max(struct device *dev, struct device_attribute
	*devattr, const char *buf, size_t count);
static ssize_t show_in_beep(struct device *dev, struct device_attribute
	*devattr, char *buf);
static ssize_t store_in_beep(struct device *dev, struct device_attribute
	*devattr, const char *buf, size_t count);
static ssize_t show_in_alarm(struct device *dev, struct device_attribute
	*devattr, char *buf);
/* Sysfs Fan */
static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
	char *buf);
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static ssize_t show_fan_full_speed(struct device *dev,
	struct device_attribute *devattr, char *buf);
static ssize_t store_fan_full_speed(struct device *dev,
	struct device_attribute *devattr, const char *buf, size_t count);
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static ssize_t show_fan_beep(struct device *dev, struct device_attribute
	*devattr, char *buf);
static ssize_t store_fan_beep(struct device *dev, struct device_attribute
	*devattr, const char *buf, size_t count);
static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
	*devattr, char *buf);
/* Sysfs Temp */
static ssize_t show_temp(struct device *dev, struct device_attribute
	*devattr, char *buf);
static ssize_t show_temp_max(struct device *dev, struct device_attribute
	*devattr, char *buf);
static ssize_t store_temp_max(struct device *dev, struct device_attribute
	*devattr, const char *buf, size_t count);
static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
	*devattr, char *buf);
static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
	*devattr, const char *buf, size_t count);
static ssize_t show_temp_crit(struct device *dev, struct device_attribute
	*devattr, char *buf);
static ssize_t store_temp_crit(struct device *dev, struct device_attribute
	*devattr, const char *buf, size_t count);
static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
	*devattr, char *buf);
static ssize_t show_temp_type(struct device *dev, struct device_attribute
	*devattr, char *buf);
static ssize_t show_temp_beep(struct device *dev, struct device_attribute
	*devattr, char *buf);
static ssize_t store_temp_beep(struct device *dev, struct device_attribute
	*devattr, const char *buf, size_t count);
static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
	*devattr, char *buf);
static ssize_t show_temp_fault(struct device *dev, struct device_attribute
	*devattr, char *buf);
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/* PWM and Auto point control */
static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
	char *buf);
static ssize_t store_pwm(struct device *dev, struct device_attribute *devattr,
	const char *buf, size_t count);
static ssize_t show_pwm_enable(struct device *dev,
	struct device_attribute *devattr, char *buf);
static ssize_t store_pwm_enable(struct device *dev,
	struct device_attribute	*devattr, const char *buf, size_t count);
static ssize_t show_pwm_interpolate(struct device *dev,
	struct device_attribute *devattr, char *buf);
static ssize_t store_pwm_interpolate(struct device *dev,
	struct device_attribute *devattr, const char *buf, size_t count);
static ssize_t show_pwm_auto_point_channel(struct device *dev,
	struct device_attribute *devattr, char *buf);
static ssize_t store_pwm_auto_point_channel(struct device *dev,
	struct device_attribute *devattr, const char *buf, size_t count);
static ssize_t show_pwm_auto_point_temp_hyst(struct device *dev,
	struct device_attribute *devattr, char *buf);
static ssize_t store_pwm_auto_point_temp_hyst(struct device *dev,
	struct device_attribute *devattr, const char *buf, size_t count);
static ssize_t show_pwm_auto_point_pwm(struct device *dev,
	struct device_attribute *devattr, char *buf);
static ssize_t store_pwm_auto_point_pwm(struct device *dev,
	struct device_attribute *devattr, const char *buf, size_t count);
static ssize_t show_pwm_auto_point_temp(struct device *dev,
	struct device_attribute *devattr, char *buf);
static ssize_t store_pwm_auto_point_temp(struct device *dev,
	struct device_attribute *devattr, const char *buf, size_t count);
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/* Sysfs misc */
static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
	char *buf);

static int __devinit f71882fg_probe(struct platform_device * pdev);
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static int f71882fg_remove(struct platform_device *pdev);
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static struct platform_driver f71882fg_driver = {
	.driver = {
		.owner	= THIS_MODULE,
		.name	= DRVNAME,
	},
	.probe		= f71882fg_probe,
	.remove		= __devexit_p(f71882fg_remove),
};

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static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
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/* Temp and in attr common to both the f71862fg and f71882fg */
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static struct sensor_device_attribute_2 f718x2fg_in_temp_attr[] = {
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	SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0),
	SENSOR_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 0, 1),
	SENSOR_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 0, 2),
	SENSOR_ATTR_2(in3_input, S_IRUGO, show_in, NULL, 0, 3),
	SENSOR_ATTR_2(in4_input, S_IRUGO, show_in, NULL, 0, 4),
	SENSOR_ATTR_2(in5_input, S_IRUGO, show_in, NULL, 0, 5),
	SENSOR_ATTR_2(in6_input, S_IRUGO, show_in, NULL, 0, 6),
	SENSOR_ATTR_2(in7_input, S_IRUGO, show_in, NULL, 0, 7),
	SENSOR_ATTR_2(in8_input, S_IRUGO, show_in, NULL, 0, 8),
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	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 1),
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	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
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		store_temp_max, 0, 1),
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	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
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		store_temp_max_hyst, 0, 1),
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	/* Should really be temp1_max_alarm, but older versions did not handle
	   the max and crit alarms separately and lm_sensors v2 depends on the
	   presence of temp#_alarm files. The same goes for temp2/3 _alarm. */
	SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 1),
	SENSOR_ATTR_2(temp1_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
		store_temp_beep, 0, 1),
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	SENSOR_ATTR_2(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
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		store_temp_crit, 0, 1),
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	SENSOR_ATTR_2(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
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		0, 1),
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	SENSOR_ATTR_2(temp1_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
	SENSOR_ATTR_2(temp1_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
		store_temp_beep, 0, 5),
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	SENSOR_ATTR_2(temp1_type, S_IRUGO, show_temp_type, NULL, 0, 1),
	SENSOR_ATTR_2(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0, 1),
	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 2),
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	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
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		store_temp_max, 0, 2),
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	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
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		store_temp_max_hyst, 0, 2),
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	/* Should be temp2_max_alarm, see temp1_alarm note */
	SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 2),
	SENSOR_ATTR_2(temp2_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
		store_temp_beep, 0, 2),
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	SENSOR_ATTR_2(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
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		store_temp_crit, 0, 2),
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	SENSOR_ATTR_2(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
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		0, 2),
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	SENSOR_ATTR_2(temp2_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
	SENSOR_ATTR_2(temp2_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
		store_temp_beep, 0, 6),
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	SENSOR_ATTR_2(temp2_type, S_IRUGO, show_temp_type, NULL, 0, 2),
	SENSOR_ATTR_2(temp2_fault, S_IRUGO, show_temp_fault, NULL, 0, 2),
	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 3),
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	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
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		store_temp_max, 0, 3),
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	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
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		store_temp_max_hyst, 0, 3),
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	/* Should be temp3_max_alarm, see temp1_alarm note */
	SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 3),
	SENSOR_ATTR_2(temp3_max_beep, S_IRUGO|S_IWUSR, show_temp_beep,
		store_temp_beep, 0, 3),
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	SENSOR_ATTR_2(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
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		store_temp_crit, 0, 3),
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	SENSOR_ATTR_2(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL,
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		0, 3),
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	SENSOR_ATTR_2(temp3_crit_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 7),
	SENSOR_ATTR_2(temp3_crit_beep, S_IRUGO|S_IWUSR, show_temp_beep,
		store_temp_beep, 0, 7),
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	SENSOR_ATTR_2(temp3_type, S_IRUGO, show_temp_type, NULL, 0, 3),
	SENSOR_ATTR_2(temp3_fault, S_IRUGO, show_temp_fault, NULL, 0, 3),
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};

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/* Temp and in attr found only on the f71882fg */
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static struct sensor_device_attribute_2 f71882fg_in_temp_attr[] = {
	SENSOR_ATTR_2(in1_max, S_IRUGO|S_IWUSR, show_in_max, store_in_max,
		0, 1),
	SENSOR_ATTR_2(in1_beep, S_IRUGO|S_IWUSR, show_in_beep, store_in_beep,
		0, 1),
	SENSOR_ATTR_2(in1_alarm, S_IRUGO, show_in_alarm, NULL, 0, 1),
};

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/* Temp and in attr for the f8000
   Note on the f8000 temp_ovt (crit) is used as max, and temp_high (max)
   is used as hysteresis value to clear alarms
 */
static struct sensor_device_attribute_2 f8000_in_temp_attr[] = {
	SENSOR_ATTR_2(in0_input, S_IRUGO, show_in, NULL, 0, 0),
	SENSOR_ATTR_2(in1_input, S_IRUGO, show_in, NULL, 0, 1),
	SENSOR_ATTR_2(in2_input, S_IRUGO, show_in, NULL, 0, 2),
	SENSOR_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, 0, 0),
	SENSOR_ATTR_2(temp1_max, S_IRUGO|S_IWUSR, show_temp_crit,
		store_temp_crit, 0, 0),
	SENSOR_ATTR_2(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
		store_temp_max, 0, 0),
	SENSOR_ATTR_2(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 4),
	SENSOR_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, 0, 1),
	SENSOR_ATTR_2(temp2_max, S_IRUGO|S_IWUSR, show_temp_crit,
		store_temp_crit, 0, 1),
	SENSOR_ATTR_2(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
		store_temp_max, 0, 1),
	SENSOR_ATTR_2(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 5),
	SENSOR_ATTR_2(temp2_type, S_IRUGO, show_temp_type, NULL, 0, 1),
	SENSOR_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, 0, 2),
	SENSOR_ATTR_2(temp3_max, S_IRUGO|S_IWUSR, show_temp_crit,
		store_temp_crit, 0, 2),
	SENSOR_ATTR_2(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max,
		store_temp_max, 0, 2),
	SENSOR_ATTR_2(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 0, 6),
};

/* Fan / PWM attr common to all models */
static struct sensor_device_attribute_2 fxxxx_fan_attr[] = {
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	SENSOR_ATTR_2(fan1_input, S_IRUGO, show_fan, NULL, 0, 0),
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	SENSOR_ATTR_2(fan1_full_speed, S_IRUGO|S_IWUSR,
		      show_fan_full_speed,
		      store_fan_full_speed, 0, 0),
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	SENSOR_ATTR_2(fan1_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 0),
	SENSOR_ATTR_2(fan2_input, S_IRUGO, show_fan, NULL, 0, 1),
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	SENSOR_ATTR_2(fan2_full_speed, S_IRUGO|S_IWUSR,
		      show_fan_full_speed,
		      store_fan_full_speed, 0, 1),
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	SENSOR_ATTR_2(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 1),
	SENSOR_ATTR_2(fan3_input, S_IRUGO, show_fan, NULL, 0, 2),
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	SENSOR_ATTR_2(fan3_full_speed, S_IRUGO|S_IWUSR,
		      show_fan_full_speed,
		      store_fan_full_speed, 0, 2),
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	SENSOR_ATTR_2(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 2),
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	SENSOR_ATTR_2(pwm1, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 0),
	SENSOR_ATTR_2(pwm1_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
		      store_pwm_enable, 0, 0),
	SENSOR_ATTR_2(pwm1_interpolate, S_IRUGO|S_IWUSR,
		      show_pwm_interpolate, store_pwm_interpolate, 0, 0),
	SENSOR_ATTR_2(pwm1_auto_channels_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_channel,
		      store_pwm_auto_point_channel, 0, 0),
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	SENSOR_ATTR_2(pwm2, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 1),
	SENSOR_ATTR_2(pwm2_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
		      store_pwm_enable, 0, 1),
	SENSOR_ATTR_2(pwm2_interpolate, S_IRUGO|S_IWUSR,
		      show_pwm_interpolate, store_pwm_interpolate, 0, 1),
	SENSOR_ATTR_2(pwm2_auto_channels_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_channel,
		      store_pwm_auto_point_channel, 0, 1),

	SENSOR_ATTR_2(pwm3_interpolate, S_IRUGO|S_IWUSR,
		      show_pwm_interpolate, store_pwm_interpolate, 0, 2),
	SENSOR_ATTR_2(pwm3_auto_channels_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_channel,
		      store_pwm_auto_point_channel, 0, 2),
};

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/* Fan / PWM attr for the f71862fg, less pwms and less zones per pwm than the
   f71882fg */
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static struct sensor_device_attribute_2 f71862fg_fan_attr[] = {
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	SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep,
		store_fan_beep, 0, 0),
	SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep,
		store_fan_beep, 0, 1),
	SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep,
		store_fan_beep, 0, 2),

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	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      1, 0),
	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      4, 0),
	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      0, 0),
	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      3, 0),
	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp_hyst,
		      store_pwm_auto_point_temp_hyst,
		      0, 0),
	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),

	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      1, 1),
	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      4, 1),
	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      0, 1),
	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      3, 1),
	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp_hyst,
		      store_pwm_auto_point_temp_hyst,
		      0, 1),
	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
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	SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
	SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
		      store_pwm_enable, 0, 2),
	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      1, 2),
	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      4, 2),
	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      0, 2),
	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      3, 2),
	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp_hyst,
		      store_pwm_auto_point_temp_hyst,
		      0, 2),
	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),
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};

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/* Fan / PWM attr for the f71882fg */
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static struct sensor_device_attribute_2 f71882fg_fan_attr[] = {
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	SENSOR_ATTR_2(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep,
		store_fan_beep, 0, 0),
	SENSOR_ATTR_2(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep,
		store_fan_beep, 0, 1),
	SENSOR_ATTR_2(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep,
		store_fan_beep, 0, 2),
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	SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),
	SENSOR_ATTR_2(fan4_full_speed, S_IRUGO|S_IWUSR,
		      show_fan_full_speed,
		      store_fan_full_speed, 0, 3),
	SENSOR_ATTR_2(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep,
		store_fan_beep, 0, 3),
	SENSOR_ATTR_2(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 0, 3),

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	SENSOR_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      0, 0),
	SENSOR_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      1, 0),
	SENSOR_ATTR_2(pwm1_auto_point3_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      2, 0),
	SENSOR_ATTR_2(pwm1_auto_point4_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      3, 0),
	SENSOR_ATTR_2(pwm1_auto_point5_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      4, 0),
	SENSOR_ATTR_2(pwm1_auto_point1_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      0, 0),
	SENSOR_ATTR_2(pwm1_auto_point2_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      1, 0),
	SENSOR_ATTR_2(pwm1_auto_point3_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      2, 0),
	SENSOR_ATTR_2(pwm1_auto_point4_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      3, 0),
	SENSOR_ATTR_2(pwm1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp_hyst,
		      store_pwm_auto_point_temp_hyst,
		      0, 0),
	SENSOR_ATTR_2(pwm1_auto_point2_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 1, 0),
	SENSOR_ATTR_2(pwm1_auto_point3_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 2, 0),
	SENSOR_ATTR_2(pwm1_auto_point4_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),

	SENSOR_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      0, 1),
	SENSOR_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      1, 1),
	SENSOR_ATTR_2(pwm2_auto_point3_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      2, 1),
	SENSOR_ATTR_2(pwm2_auto_point4_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      3, 1),
	SENSOR_ATTR_2(pwm2_auto_point5_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      4, 1),
	SENSOR_ATTR_2(pwm2_auto_point1_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      0, 1),
	SENSOR_ATTR_2(pwm2_auto_point2_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      1, 1),
	SENSOR_ATTR_2(pwm2_auto_point3_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      2, 1),
	SENSOR_ATTR_2(pwm2_auto_point4_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      3, 1),
	SENSOR_ATTR_2(pwm2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp_hyst,
		      store_pwm_auto_point_temp_hyst,
		      0, 1),
	SENSOR_ATTR_2(pwm2_auto_point2_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 1, 1),
	SENSOR_ATTR_2(pwm2_auto_point3_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 2, 1),
	SENSOR_ATTR_2(pwm2_auto_point4_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),

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	SENSOR_ATTR_2(pwm3, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 2),
	SENSOR_ATTR_2(pwm3_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
		      store_pwm_enable, 0, 2),
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	SENSOR_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      0, 2),
	SENSOR_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      1, 2),
	SENSOR_ATTR_2(pwm3_auto_point3_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      2, 2),
	SENSOR_ATTR_2(pwm3_auto_point4_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      3, 2),
	SENSOR_ATTR_2(pwm3_auto_point5_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      4, 2),
	SENSOR_ATTR_2(pwm3_auto_point1_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      0, 2),
	SENSOR_ATTR_2(pwm3_auto_point2_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      1, 2),
	SENSOR_ATTR_2(pwm3_auto_point3_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      2, 2),
	SENSOR_ATTR_2(pwm3_auto_point4_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      3, 2),
	SENSOR_ATTR_2(pwm3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp_hyst,
		      store_pwm_auto_point_temp_hyst,
		      0, 2),
	SENSOR_ATTR_2(pwm3_auto_point2_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 1, 2),
	SENSOR_ATTR_2(pwm3_auto_point3_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 2, 2),
	SENSOR_ATTR_2(pwm3_auto_point4_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),

	SENSOR_ATTR_2(pwm4, S_IRUGO|S_IWUSR, show_pwm, store_pwm, 0, 3),
	SENSOR_ATTR_2(pwm4_enable, S_IRUGO|S_IWUSR, show_pwm_enable,
		      store_pwm_enable, 0, 3),
	SENSOR_ATTR_2(pwm4_interpolate, S_IRUGO|S_IWUSR,
		      show_pwm_interpolate, store_pwm_interpolate, 0, 3),
	SENSOR_ATTR_2(pwm4_auto_channels_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_channel,
		      store_pwm_auto_point_channel, 0, 3),
	SENSOR_ATTR_2(pwm4_auto_point1_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      0, 3),
	SENSOR_ATTR_2(pwm4_auto_point2_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      1, 3),
	SENSOR_ATTR_2(pwm4_auto_point3_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      2, 3),
	SENSOR_ATTR_2(pwm4_auto_point4_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      3, 3),
	SENSOR_ATTR_2(pwm4_auto_point5_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      4, 3),
	SENSOR_ATTR_2(pwm4_auto_point1_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      0, 3),
	SENSOR_ATTR_2(pwm4_auto_point2_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      1, 3),
	SENSOR_ATTR_2(pwm4_auto_point3_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      2, 3),
	SENSOR_ATTR_2(pwm4_auto_point4_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      3, 3),
	SENSOR_ATTR_2(pwm4_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp_hyst,
		      store_pwm_auto_point_temp_hyst,
		      0, 3),
	SENSOR_ATTR_2(pwm4_auto_point2_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 1, 3),
	SENSOR_ATTR_2(pwm4_auto_point3_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 2, 3),
	SENSOR_ATTR_2(pwm4_auto_point4_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 3, 3),
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};

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/* Fan / PWM attr for the f8000, zones mapped to temp instead of to pwm!
   Also the register block at offset A0 maps to TEMP1 (so our temp2, as the
   F8000 starts counting temps at 0), B0 maps the TEMP2 and C0 maps to TEMP0 */
static struct sensor_device_attribute_2 f8000_fan_attr[] = {
	SENSOR_ATTR_2(fan4_input, S_IRUGO, show_fan, NULL, 0, 3),

	SENSOR_ATTR_2(pwm3, S_IRUGO, show_pwm, NULL, 0, 2),

	SENSOR_ATTR_2(temp1_auto_point1_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      0, 2),
	SENSOR_ATTR_2(temp1_auto_point2_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      1, 2),
	SENSOR_ATTR_2(temp1_auto_point3_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      2, 2),
	SENSOR_ATTR_2(temp1_auto_point4_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      3, 2),
	SENSOR_ATTR_2(temp1_auto_point5_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      4, 2),
	SENSOR_ATTR_2(temp1_auto_point1_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      0, 2),
	SENSOR_ATTR_2(temp1_auto_point2_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      1, 2),
	SENSOR_ATTR_2(temp1_auto_point3_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      2, 2),
	SENSOR_ATTR_2(temp1_auto_point4_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      3, 2),
	SENSOR_ATTR_2(temp1_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp_hyst,
		      store_pwm_auto_point_temp_hyst,
		      0, 2),
	SENSOR_ATTR_2(temp1_auto_point2_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 1, 2),
	SENSOR_ATTR_2(temp1_auto_point3_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 2, 2),
	SENSOR_ATTR_2(temp1_auto_point4_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 3, 2),

	SENSOR_ATTR_2(temp2_auto_point1_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      0, 0),
	SENSOR_ATTR_2(temp2_auto_point2_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      1, 0),
	SENSOR_ATTR_2(temp2_auto_point3_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      2, 0),
	SENSOR_ATTR_2(temp2_auto_point4_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      3, 0),
	SENSOR_ATTR_2(temp2_auto_point5_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      4, 0),
	SENSOR_ATTR_2(temp2_auto_point1_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      0, 0),
	SENSOR_ATTR_2(temp2_auto_point2_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      1, 0),
	SENSOR_ATTR_2(temp2_auto_point3_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      2, 0),
	SENSOR_ATTR_2(temp2_auto_point4_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      3, 0),
	SENSOR_ATTR_2(temp2_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp_hyst,
		      store_pwm_auto_point_temp_hyst,
		      0, 0),
	SENSOR_ATTR_2(temp2_auto_point2_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 1, 0),
	SENSOR_ATTR_2(temp2_auto_point3_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 2, 0),
	SENSOR_ATTR_2(temp2_auto_point4_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 3, 0),

	SENSOR_ATTR_2(temp3_auto_point1_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      0, 1),
	SENSOR_ATTR_2(temp3_auto_point2_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      1, 1),
	SENSOR_ATTR_2(temp3_auto_point3_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      2, 1),
	SENSOR_ATTR_2(temp3_auto_point4_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      3, 1),
	SENSOR_ATTR_2(temp3_auto_point5_pwm, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_pwm, store_pwm_auto_point_pwm,
		      4, 1),
	SENSOR_ATTR_2(temp3_auto_point1_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      0, 1),
	SENSOR_ATTR_2(temp3_auto_point2_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      1, 1),
	SENSOR_ATTR_2(temp3_auto_point3_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      2, 1),
	SENSOR_ATTR_2(temp3_auto_point4_temp, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp, store_pwm_auto_point_temp,
		      3, 1),
	SENSOR_ATTR_2(temp3_auto_point1_temp_hyst, S_IRUGO|S_IWUSR,
		      show_pwm_auto_point_temp_hyst,
		      store_pwm_auto_point_temp_hyst,
		      0, 1),
	SENSOR_ATTR_2(temp3_auto_point2_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 1, 1),
	SENSOR_ATTR_2(temp3_auto_point3_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 2, 1),
	SENSOR_ATTR_2(temp3_auto_point4_temp_hyst, S_IRUGO,
		      show_pwm_auto_point_temp_hyst, NULL, 3, 1),
};
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/* Super I/O functions */
static inline int superio_inb(int base, int reg)
{
	outb(reg, base);
	return inb(base + 1);
}

static int superio_inw(int base, int reg)
{
	int val;
	outb(reg++, base);
	val = inb(base + 1) << 8;
	outb(reg, base);
	val |= inb(base + 1);
	return val;
}

static inline void superio_enter(int base)
{
	/* according to the datasheet the key must be send twice! */
	outb( SIO_UNLOCK_KEY, base);
	outb( SIO_UNLOCK_KEY, base);
}

static inline void superio_select( int base, int ld)
{
	outb(SIO_REG_LDSEL, base);
	outb(ld, base + 1);
}

static inline void superio_exit(int base)
{
	outb(SIO_LOCK_KEY, base);
}

static inline u16 fan_from_reg(u16 reg)
{
	return reg ? (1500000 / reg) : 0;
}

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static inline u16 fan_to_reg(u16 fan)
{
	return fan ? (1500000 / fan) : 0;
}

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static u8 f71882fg_read8(struct f71882fg_data *data, u8 reg)
{
	u8 val;

	outb(reg, data->addr + ADDR_REG_OFFSET);
	val = inb(data->addr + DATA_REG_OFFSET);

	return val;
}

static u16 f71882fg_read16(struct f71882fg_data *data, u8 reg)
{
	u16 val;

	outb(reg++, data->addr + ADDR_REG_OFFSET);
	val = inb(data->addr + DATA_REG_OFFSET) << 8;
	outb(reg, data->addr + ADDR_REG_OFFSET);
	val |= inb(data->addr + DATA_REG_OFFSET);

	return val;
}

static void f71882fg_write8(struct f71882fg_data *data, u8 reg, u8 val)
{
	outb(reg, data->addr + ADDR_REG_OFFSET);
	outb(val, data->addr + DATA_REG_OFFSET);
}

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static void f71882fg_write16(struct f71882fg_data *data, u8 reg, u16 val)
{
	outb(reg++, data->addr + ADDR_REG_OFFSET);
	outb(val >> 8, data->addr + DATA_REG_OFFSET);
	outb(reg, data->addr + ADDR_REG_OFFSET);
	outb(val & 255, data->addr + DATA_REG_OFFSET);
}

859
static struct f71882fg_data *f71882fg_update_device(struct device *dev)
860
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{
	struct f71882fg_data *data = dev_get_drvdata(dev);
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	int nr, reg = 0, reg2;
	int nr_fans = (data->type == f71882fg) ? 4 : 3;
	int nr_ins = (data->type == f8000) ? 3 : 9;
	int temp_start = (data->type == f8000) ? 0 : 1;
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	mutex_lock(&data->update_lock);

	/* Update once every 60 seconds */
	if ( time_after(jiffies, data->last_limits + 60 * HZ ) ||
			!data->valid) {
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		if (data->type == f71882fg) {
			data->in1_max =
				f71882fg_read8(data, F71882FG_REG_IN1_HIGH);
			data->in_beep =
				f71882fg_read8(data, F71882FG_REG_IN_BEEP);
		}
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		/* Get High & boundary temps*/
880
		for (nr = temp_start; nr < 3 + temp_start; nr++) {
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			data->temp_ovt[nr] = f71882fg_read8(data,
						F71882FG_REG_TEMP_OVT(nr));
			data->temp_high[nr] = f71882fg_read8(data,
						F71882FG_REG_TEMP_HIGH(nr));
		}

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		if (data->type != f8000) {
			data->fan_beep = f71882fg_read8(data,
						F71882FG_REG_FAN_BEEP);
			data->temp_beep = f71882fg_read8(data,
						F71882FG_REG_TEMP_BEEP);
			data->temp_hyst[0] = f71882fg_read8(data,
						F71882FG_REG_TEMP_HYST(0));
			data->temp_hyst[1] = f71882fg_read8(data,
						F71882FG_REG_TEMP_HYST(1));
			/* Have to hardcode type, because temp1 is special */
			reg  = f71882fg_read8(data, F71882FG_REG_TEMP_TYPE);
			data->temp_type[2] = (reg & 0x04) ? 2 : 4;
			data->temp_type[3] = (reg & 0x08) ? 2 : 4;
		}
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		reg2 = f71882fg_read8(data, F71882FG_REG_PECI);
		if ((reg2 & 0x03) == 0x01)
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			data->temp_type[1] = 6 /* PECI */;
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		else if ((reg2 & 0x03) == 0x02)
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			data->temp_type[1] = 5 /* AMDSI */;
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		else if (data->type != f8000)
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			data->temp_type[1] = (reg & 0x02) ? 2 : 4;
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		else
			data->temp_type[1] = 2; /* F8000 only supports BJT */
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		data->pwm_enable = f71882fg_read8(data,
						  F71882FG_REG_PWM_ENABLE);
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		data->pwm_auto_point_hyst[0] =
			f71882fg_read8(data, F71882FG_REG_FAN_HYST(0));
		data->pwm_auto_point_hyst[1] =
			f71882fg_read8(data, F71882FG_REG_FAN_HYST(1));

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		for (nr = 0; nr < nr_fans; nr++) {
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			data->pwm_auto_point_mapping[nr] =
			    f71882fg_read8(data,
					   F71882FG_REG_POINT_MAPPING(nr));

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			if (data->type != f71862fg) {
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				int point;
				for (point = 0; point < 5; point++) {
					data->pwm_auto_point_pwm[nr][point] =
						f71882fg_read8(data,
							F71882FG_REG_POINT_PWM
							(nr, point));
				}
				for (point = 0; point < 4; point++) {
					data->pwm_auto_point_temp[nr][point] =
						f71882fg_read8(data,
							F71882FG_REG_POINT_TEMP
							(nr, point));
				}
			} else {
				data->pwm_auto_point_pwm[nr][1] =
					f71882fg_read8(data,
						F71882FG_REG_POINT_PWM
						(nr, 1));
				data->pwm_auto_point_pwm[nr][4] =
					f71882fg_read8(data,
						F71882FG_REG_POINT_PWM
						(nr, 4));
				data->pwm_auto_point_temp[nr][0] =
					f71882fg_read8(data,
						F71882FG_REG_POINT_TEMP
						(nr, 0));
				data->pwm_auto_point_temp[nr][3] =
					f71882fg_read8(data,
						F71882FG_REG_POINT_TEMP
						(nr, 3));
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			}
		}
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		data->last_limits = jiffies;
	}

	/* Update every second */
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	if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
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		data->temp_status = f71882fg_read8(data,
						F71882FG_REG_TEMP_STATUS);
		data->temp_diode_open = f71882fg_read8(data,
						F71882FG_REG_TEMP_DIODE_OPEN);
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		for (nr = temp_start; nr < 3 + temp_start; nr++)
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			data->temp[nr] = f71882fg_read8(data,
						F71882FG_REG_TEMP(nr));

		data->fan_status = f71882fg_read8(data,
						F71882FG_REG_FAN_STATUS);
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		for (nr = 0; nr < nr_fans; nr++) {
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			data->fan[nr] = f71882fg_read16(data,
						F71882FG_REG_FAN(nr));
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			data->fan_target[nr] =
			    f71882fg_read16(data, F71882FG_REG_FAN_TARGET(nr));
			data->fan_full_speed[nr] =
			    f71882fg_read16(data,
					    F71882FG_REG_FAN_FULL_SPEED(nr));
			data->pwm[nr] =
			    f71882fg_read8(data, F71882FG_REG_PWM(nr));
		}
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		/* The f8000 can monitor 1 more fan, but has no pwm for it */
		if (data->type == f8000)
			data->fan[3] = f71882fg_read16(data,
						F71882FG_REG_FAN(3));
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		if (data->type == f71882fg)
			data->in_status = f71882fg_read8(data,
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						F71882FG_REG_IN_STATUS);
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		for (nr = 0; nr < nr_ins; nr++)
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			data->in[nr] = f71882fg_read8(data,
						F71882FG_REG_IN(nr));

		data->last_updated = jiffies;
		data->valid = 1;
	}

	mutex_unlock(&data->update_lock);

	return data;
}

/* Sysfs Interface */
static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
	char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
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	int nr = to_sensor_dev_attr_2(devattr)->index;
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	int speed = fan_from_reg(data->fan[nr]);

	if (speed == FAN_MIN_DETECT)
		speed = 0;

	return sprintf(buf, "%d\n", speed);
}

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static ssize_t show_fan_full_speed(struct device *dev,
				   struct device_attribute *devattr, char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
	int nr = to_sensor_dev_attr_2(devattr)->index;
	int speed = fan_from_reg(data->fan_full_speed[nr]);
	return sprintf(buf, "%d\n", speed);
}

static ssize_t store_fan_full_speed(struct device *dev,
				    struct device_attribute *devattr,
				    const char *buf, size_t count)
{
	struct f71882fg_data *data = dev_get_drvdata(dev);
	int nr = to_sensor_dev_attr_2(devattr)->index;
	long val = simple_strtol(buf, NULL, 10);

	val = SENSORS_LIMIT(val, 23, 1500000);
	val = fan_to_reg(val);

	mutex_lock(&data->update_lock);
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	f71882fg_write16(data, F71882FG_REG_FAN_FULL_SPEED(nr), val);
	data->fan_full_speed[nr] = val;
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	mutex_unlock(&data->update_lock);

	return count;
}

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static ssize_t show_fan_beep(struct device *dev, struct device_attribute
	*devattr, char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
1049
	int nr = to_sensor_dev_attr_2(devattr)->index;
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	if (data->fan_beep & (1 << nr))
		return sprintf(buf, "1\n");
	else
		return sprintf(buf, "0\n");
}

static ssize_t store_fan_beep(struct device *dev, struct device_attribute
	*devattr, const char *buf, size_t count)
{
	struct f71882fg_data *data = dev_get_drvdata(dev);
1061
	int nr = to_sensor_dev_attr_2(devattr)->index;
1062
	unsigned long val = simple_strtoul(buf, NULL, 10);
1063
1064

	mutex_lock(&data->update_lock);
1065
	data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP);
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	if (val)
		data->fan_beep |= 1 << nr;
	else
		data->fan_beep &= ~(1 << nr);

	f71882fg_write8(data, F71882FG_REG_FAN_BEEP, data->fan_beep);
	mutex_unlock(&data->update_lock);

	return count;
}

static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
	*devattr, char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
1081
	int nr = to_sensor_dev_attr_2(devattr)->index;
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	if (data->fan_status & (1 << nr))
		return sprintf(buf, "1\n");
	else
		return sprintf(buf, "0\n");
}

static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
	char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
1093
	int nr = to_sensor_dev_attr_2(devattr)->index;
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	return sprintf(buf, "%d\n", data->in[nr] * 8);
}

static ssize_t show_in_max(struct device *dev, struct device_attribute
	*devattr, char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);

	return sprintf(buf, "%d\n", data->in1_max * 8);
}

static ssize_t store_in_max(struct device *dev, struct device_attribute
	*devattr, const char *buf, size_t count)
{
	struct f71882fg_data *data = dev_get_drvdata(dev);
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	long val = simple_strtol(buf, NULL, 10) / 8;
	val = SENSORS_LIMIT(val, 0, 255);
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	mutex_lock(&data->update_lock);
	f71882fg_write8(data, F71882FG_REG_IN1_HIGH, val);
	data->in1_max = val;
	mutex_unlock(&data->update_lock);

	return count;
}

static ssize_t show_in_beep(struct device *dev, struct device_attribute
	*devattr, char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
1125
	int nr = to_sensor_dev_attr_2(devattr)->index;
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	if (data->in_beep & (1 << nr))
		return sprintf(buf, "1\n");
	else
		return sprintf(buf, "0\n");
}

static ssize_t store_in_beep(struct device *dev, struct device_attribute
	*devattr, const char *buf, size_t count)
{
	struct f71882fg_data *data = dev_get_drvdata(dev);
1137
	int nr = to_sensor_dev_attr_2(devattr)->index;
1138
	unsigned long val = simple_strtoul(buf, NULL, 10);
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	mutex_lock(&data->update_lock);
1141
	data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP);
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1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
	if (val)
		data->in_beep |= 1 << nr;
	else
		data->in_beep &= ~(1 << nr);

	f71882fg_write8(data, F71882FG_REG_IN_BEEP, data->in_beep);
	mutex_unlock(&data->update_lock);

	return count;
}

static ssize_t show_in_alarm(struct device *dev, struct device_attribute
	*devattr, char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
1157
	int nr = to_sensor_dev_attr_2(devattr)->index;
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168

	if (data->in_status & (1 << nr))
		return sprintf(buf, "1\n");
	else
		return sprintf(buf, "0\n");
}

static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
	char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
1169
	int nr = to_sensor_dev_attr_2(devattr)->index;
1170
1171
1172
1173
1174
1175
1176
1177

	return sprintf(buf, "%d\n", data->temp[nr] * 1000);
}

static ssize_t show_temp_max(struct device *dev, struct device_attribute
	*devattr, char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
1178
	int nr = to_sensor_dev_attr_2(devattr)->index;
1179
1180
1181
1182
1183
1184
1185
1186

	return sprintf(buf, "%d\n", data->temp_high[nr] * 1000);
}

static ssize_t store_temp_max(struct device *dev, struct device_attribute
	*devattr, const char *buf, size_t count)
{
	struct f71882fg_data *data = dev_get_drvdata(dev);
1187
	int nr = to_sensor_dev_attr_2(devattr)->index;
1188
1189
	long val = simple_strtol(buf, NULL, 10) / 1000;
	val = SENSORS_LIMIT(val, 0, 255);
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202

	mutex_lock(&data->update_lock);
	f71882fg_write8(data, F71882FG_REG_TEMP_HIGH(nr), val);
	data->temp_high[nr] = val;
	mutex_unlock(&data->update_lock);

	return count;
}

static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
	*devattr, char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
1203
	int nr = to_sensor_dev_attr_2(devattr)->index;
1204
	int temp_max_hyst;
1205

1206
	mutex_lock(&data->update_lock);
1207
1208
1209
1210
1211
	if (nr & 1)
		temp_max_hyst = data->temp_hyst[nr / 2] >> 4;
	else
		temp_max_hyst = data->temp_hyst[nr / 2] & 0x0f;
	temp_max_hyst = (data->temp_high[nr] - temp_max_hyst) * 1000;
1212
1213
1214
	mutex_unlock(&data->update_lock);

	return sprintf(buf, "%d\n", temp_max_hyst);
1215
1216
1217
1218
1219
1220
}

static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
	*devattr, const char *buf, size_t count)
{
	struct f71882fg_data *data = dev_get_drvdata(dev);
1221
	int nr = to_sensor_dev_attr_2(devattr)->index;
1222
	long val = simple_strtol(buf, NULL, 10) / 1000;
1223
	ssize_t ret = count;
1224
	u8 reg;
1225
1226
1227
1228

	mutex_lock(&data->update_lock);

	/* convert abs to relative and check */
1229
1230
1231
	data->temp_high[nr] = f71882fg_read8(data, F71882FG_REG_TEMP_HIGH(nr));
	val = SENSORS_LIMIT(val, data->temp_high[nr] - 15,
			    data->temp_high[nr]);
1232
1233
1234
	val = data->temp_high[nr] - val;

	/* convert value to register contents */
1235
1236
1237
1238
1239
1240
1241
	reg = f71882fg_read8(data, F71882FG_REG_TEMP_HYST(nr / 2));
	if (nr & 1)
		reg = (reg & 0x0f) | (val << 4);
	else
		reg = (reg & 0xf0) | val;
	f71882fg_write8(data, F71882FG_REG_TEMP_HYST(nr / 2), reg);
	data->temp_hyst[nr / 2] = reg;
1242
1243
1244
1245
1246
1247
1248
1249
1250

	mutex_unlock(&data->update_lock);
	return ret;
}

static ssize_t show_temp_crit(struct device *dev, struct device_attribute
	*devattr, char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
1251
	int nr = to_sensor_dev_attr_2(devattr)->index;
1252
1253
1254
1255
1256
1257
1258
1259

	return sprintf(buf, "%d\n", data->temp_ovt[nr] * 1000);
}

static ssize_t store_temp_crit(struct device *dev, struct device_attribute
	*devattr, const char *buf, size_t count)
{
	struct f71882fg_data *data = dev_get_drvdata(dev);
1260
	int nr = to_sensor_dev_attr_2(devattr)->index;
1261
1262
	long val = simple_strtol(buf, NULL, 10) / 1000;
	val = SENSORS_LIMIT(val, 0, 255);
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275

	mutex_lock(&data->update_lock);
	f71882fg_write8(data, F71882FG_REG_TEMP_OVT(nr), val);
	data->temp_ovt[nr] = val;
	mutex_unlock(&data->update_lock);

	return count;
}

static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
	*devattr, char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
1276
	int nr = to_sensor_dev_attr_2(devattr)->index;
1277
	int temp_crit_hyst;
1278

1279
	mutex_lock(&data->update_lock);
1280
1281
1282
1283
1284
	if (nr & 1)
		temp_crit_hyst = data->temp_hyst[nr / 2] >> 4;
	else
		temp_crit_hyst = data->temp_hyst[nr / 2] & 0x0f;
	temp_crit_hyst = (data->temp_ovt[nr] - temp_crit_hyst) * 1000;
1285
1286
1287
	mutex_unlock(&data->update_lock);

	return sprintf(buf, "%d\n", temp_crit_hyst);
1288
1289
1290
1291
1292
1293
}

static ssize_t show_temp_type(struct device *dev, struct device_attribute
	*devattr, char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
1294
	int nr = to_sensor_dev_attr_2(devattr)->index;
1295
1296
1297
1298
1299
1300
1301
1302

	return sprintf(buf, "%d\n", data->temp_type[nr]);
}

static ssize_t show_temp_beep(struct device *dev, struct device_attribute
	*devattr, char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
1303
	int nr = to_sensor_dev_attr_2(devattr)->index;
1304

1305
	if (data->temp_beep & (1 << nr))
1306
1307
1308
1309
1310
1311
1312
1313
1314
		return sprintf(buf, "1\n");
	else
		return sprintf(buf, "0\n");
}

static ssize_t store_temp_beep(struct device *dev, struct device_attribute
	*devattr, const char *buf, size_t count)
{
	struct f71882fg_data *data = dev_get_drvdata(dev);
1315
	int nr = to_sensor_dev_attr_2(devattr)->index;
1316
	unsigned long val = simple_strtoul(buf, NULL, 10);
1317
1318

	mutex_lock(&data->update_lock);
1319
	data->temp_beep = f71882fg_read8(data, F71882FG_REG_TEMP_BEEP);
1320
	if (val)
1321
		data->temp_beep |= 1 << nr;
1322
	else
1323
		data->temp_beep &= ~(1 << nr);
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334

	f71882fg_write8(data, F71882FG_REG_TEMP_BEEP, data->temp_beep);
	mutex_unlock(&data->update_lock);

	return count;
}

static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
	*devattr, char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
1335
	int nr = to_sensor_dev_attr_2(devattr)->index;
1336

1337
	if (data->temp_status & (1 << nr))
1338
1339
1340
1341
1342
1343
1344
1345
1346
		return sprintf(buf, "1\n");
	else
		return sprintf(buf, "0\n");
}

static ssize_t show_temp_fault(struct device *dev, struct device_attribute
	*devattr, char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
1347
	int nr = to_sensor_dev_attr_2(devattr)->index;
1348

1349
	if (data->temp_diode_open & (1 << nr))
1350
1351
1352
1353
1354
		return sprintf(buf, "1\n");
	else
		return sprintf(buf, "0\n");
}

1355
1356
1357
1358
1359
static ssize_t show_pwm(struct device *dev,
			struct device_attribute *devattr, char *buf)
{
	struct f71882fg_data *data = f71882fg_update_device(dev);
	int val, nr = to_sensor_dev_attr_2(devattr)->index;
1360
	mutex_lock(&data->update_lock);
1361
1362
1363
1364
1365
1366
1367
1368
	if (data->pwm_enable & (1 << (2 * nr)))
		/* PWM mode */
		val = data->pwm[nr];
	else {
		/* RPM mode */
		val = 255 * fan_from_reg(data->fan_target[nr])
			/ fan_from_reg(data->fan_full_speed[nr]);
	}
1369
	mutex_unlock(&data->update_lock);
1370
1371
1372
1373
1374
1375
1376
	return sprintf(buf, "%d\n", val);
}

static ssize_t store_pwm(struct device *dev,
			 struct device_attribute *devattr, const char *buf,
			 size_t count)
{
1377
	struct f71882fg_data *data = dev_get_drvdata(dev);
1378
1379
1380
1381
1382
	int nr = to_sensor_dev_attr_2(devattr)->index;
	long val = simple_strtol(buf, NULL, 10);
	val = SENSORS_LIMIT(val, 0, 255);

	mutex_lock(&data->update_lock);
1383
	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1384
1385
1386
1387
1388
	if ((data->type == f8000 && ((data->pwm_enable >> 2 * nr) & 3) != 2) ||
	    (data->type != f8000 && !((data->pwm_enable >> 2 * nr) & 2))) {
		count = -EROFS;
		goto leave;
	}
1389
1390
1391
1392
1393
1394
	if (data->pwm_enable & (1 << (2 * nr))) {
		/* PWM mode */
		f71882fg_write8(data, F71882FG_REG_PWM(nr), val);
		data->pwm[nr] = val;
	} else {
		/* RPM mode */
1395
1396
1397
1398
1399
1400
1401
		int target, full_speed;
		full_speed = f71882fg_read16(data,
					     F71882FG_REG_FAN_FULL_SPEED(nr));
		target = fan_to_reg(val * fan_from_reg(full_speed) / 255);
		f71882fg_write16(data, F71882FG_REG_FAN_TARGET(nr), target);
		data->fan_target[nr] = target;
		data->fan_full_speed[nr] = full_speed;
1402
	}
1403
leave:
1404
1405
1406
1407
1408
1409
1410
1411
	mutex_unlock(&data->update_lock);

	return count;
}

static ssize_t show_pwm_enable(struct device *dev,
			       struct device_attribute *devattr, char *buf)
{
1412
	int result = 0;
1413
1414
1415
	struct f71882fg_data *data = f71882fg_update_device(dev);
	int nr = to_sensor_dev_attr_2(devattr)->index;

1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
	switch ((data->pwm_enable >> 2 * nr) & 3) {
	case 0:
	case 1:
		result = 2; /* Normal auto mode */
		break;
	case 2:
		result = 1; /* Manual mode */
		break;
	case 3:
		if (data->type == f8000)
			result = 3; /* Thermostat mode */
		else
			result = 1; /* Manual mode */
		break;
	}
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442

	return sprintf(buf, "%d\n", result);
}

static ssize_t store_pwm_enable(struct device *dev, struct device_attribute
				*devattr, const char *buf, size_t count)
{
	struct f71882fg_data *data = dev_get_drvdata(dev);
	int nr = to_sensor_dev_attr_2(devattr)->index;
	long val = simple_strtol(buf, NULL, 10);

	mutex_lock(&data->update_lock);
1443
	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
	/* Special case for F8000 auto PWM mode / Thermostat mode */
	if (data->type == f8000 && ((data->pwm_enable >> 2 * nr) & 1)) {
		switch (val) {
		case 2:
			data->pwm_enable &= ~(2 << (2 * nr));
			break;		/* Normal auto mode */
		case 3:
			data->pwm_enable |= 2 << (2 * nr);
			break;		/* Thermostat mode */
		default:
			count = -EINVAL;
			goto leave;
		}
	} else {
		switch (val) {
		case 1:
			data->pwm_enable |= 2 << (2 * nr);
			break;		/* Manual */
		case 2:
			data->pwm_enable &= ~(2 << (2 * nr));
			break;		/* Normal auto mode */
		default:
			count = -EINVAL;
			goto leave;
		}
1469
1470
	}
	f71882fg_write8(data, F71882FG_REG_PWM_ENABLE, data->pwm_enable);
1471
leave:
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
	mutex_unlock(&data->update_lock);

	return count;
}

static ssize_t show_pwm_auto_point_pwm(struct device *dev,
				       struct device_attribute *devattr,
				       char *buf)
{
	int result;
	struct f71882fg_data *data = f71882fg_update_device(dev);
	int pwm = to_sensor_dev_attr_2(devattr)->index;
	int point = to_sensor_dev_attr_2(devattr)->nr;

1486
	mutex_lock(&data->update_lock);
1487
1488
1489
1490
1491
1492
1493
	if (data->pwm_enable & (1 << (2 * pwm))) {
		/* PWM mode */
		result = data->pwm_auto_point_pwm[pwm][point];
	} else {
		/* RPM mode */
		result = 32 * 255 / (32 + data->pwm_auto_point_pwm[pwm][point]);
	}
1494
	mutex_unlock(&data->update_lock);
1495
1496
1497
1498
1499
1500
1501
1502

	return sprintf(buf, "%d\n", result);
}

static ssize_t store_pwm_auto_point_pwm(struct device *dev,
					struct device_attribute *devattr,
					const char *buf, size_t count)
{
1503
	struct f71882fg_data *data = dev_get_drvdata(dev);
1504
1505
	int pwm = to_sensor_dev_attr_2(devattr)->index;
	int point = to_sensor_dev_attr_2(devattr)->nr;
1506
	long val = simple_strtol(buf, NULL, 10);
1507
1508
1509
	val = SENSORS_LIMIT(val, 0, 255);

	mutex_lock(&data->update_lock);
1510
	data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
1511
1512
1513