f71805f.c 48.2 KB
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/*
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 * f71805f.c - driver for the Fintek F71805F/FG and F71872F/FG Super-I/O
 *             chips integrated hardware monitoring features
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 * Copyright (C) 2005-2006  Jean Delvare <khali@linux-fr.org>
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 *
 * The F71805F/FG is a LPC Super-I/O chip made by Fintek. It integrates
 * complete hardware monitoring features: voltage, fan and temperature
 * sensors, and manual and automatic fan speed control.
 *
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 * The F71872F/FG is almost the same, with two more voltages monitored,
 * and 6 VID inputs.
 *
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 * The F71806F/FG is essentially the same as the F71872F/FG. It even has
 * the same chip ID, so the driver can't differentiate between.
 *
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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., 675 Mass Ave, Cambridge, MA 02139, 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>
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#include <linux/mutex.h>
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#include <linux/sysfs.h>
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#include <linux/ioport.h>
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#include <linux/acpi.h>
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#include <asm/io.h>

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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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static struct platform_device *pdev;

#define DRVNAME "f71805f"
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enum kinds { f71805f, f71872f };
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/*
 * Super-I/O constants and functions
 */

#define F71805F_LD_HWM		0x04

#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) */
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#define SIO_REG_FNSEL1		0x29	/* Multi Function Select 1 (F71872F) */
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#define SIO_REG_ENABLE		0x30	/* Logical device enable */
#define SIO_REG_ADDR		0x60	/* Logical device address (2 bytes) */

#define SIO_FINTEK_ID		0x1934
#define SIO_F71805F_ID		0x0406
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#define SIO_F71872F_ID		0x0341
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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_select(int base, int ld)
{
	outb(SIO_REG_LDSEL, base);
	outb(ld, base + 1);
}

static inline void
superio_enter(int base)
{
	outb(0x87, base);
	outb(0x87, base);
}

static inline void
superio_exit(int base)
{
	outb(0xaa, base);
}

/*
 * ISA constants
 */

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#define REGION_LENGTH		8
#define ADDR_REG_OFFSET		5
#define DATA_REG_OFFSET		6
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/*
 * Registers
 */

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/* in nr from 0 to 10 (8-bit values) */
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#define F71805F_REG_IN(nr)		(0x10 + (nr))
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#define F71805F_REG_IN_HIGH(nr)		((nr) < 10 ? 0x40 + 2 * (nr) : 0x2E)
#define F71805F_REG_IN_LOW(nr)		((nr) < 10 ? 0x41 + 2 * (nr) : 0x2F)
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/* fan nr from 0 to 2 (12-bit values, two registers) */
#define F71805F_REG_FAN(nr)		(0x20 + 2 * (nr))
#define F71805F_REG_FAN_LOW(nr)		(0x28 + 2 * (nr))
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#define F71805F_REG_FAN_TARGET(nr)	(0x69 + 16 * (nr))
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#define F71805F_REG_FAN_CTRL(nr)	(0x60 + 16 * (nr))
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#define F71805F_REG_PWM_FREQ(nr)	(0x63 + 16 * (nr))
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#define F71805F_REG_PWM_DUTY(nr)	(0x6B + 16 * (nr))
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/* temp nr from 0 to 2 (8-bit values) */
#define F71805F_REG_TEMP(nr)		(0x1B + (nr))
#define F71805F_REG_TEMP_HIGH(nr)	(0x54 + 2 * (nr))
#define F71805F_REG_TEMP_HYST(nr)	(0x55 + 2 * (nr))
#define F71805F_REG_TEMP_MODE		0x01
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/* pwm/fan pwmnr from 0 to 2, auto point apnr from 0 to 2 */
/* map Fintek numbers to our numbers as follows: 9->0, 5->1, 1->2 */
#define F71805F_REG_PWM_AUTO_POINT_TEMP(pwmnr, apnr) \
					(0xA0 + 0x10 * (pwmnr) + (2 - (apnr)))
#define F71805F_REG_PWM_AUTO_POINT_FAN(pwmnr, apnr) \
					(0xA4 + 0x10 * (pwmnr) + \
						2 * (2 - (apnr)))
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#define F71805F_REG_START		0x00
/* status nr from 0 to 2 */
#define F71805F_REG_STATUS(nr)		(0x36 + (nr))

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/* individual register bits */
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#define FAN_CTRL_DC_MODE		0x10
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#define FAN_CTRL_LATCH_FULL		0x08
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#define FAN_CTRL_MODE_MASK		0x03
#define FAN_CTRL_MODE_SPEED		0x00
#define FAN_CTRL_MODE_TEMPERATURE	0x01
#define FAN_CTRL_MODE_MANUAL		0x02
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/*
 * Data structures and manipulation thereof
 */

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struct f71805f_auto_point {
	u8 temp[3];
	u16 fan[3];
};

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struct f71805f_data {
	unsigned short addr;
	const char *name;
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	struct device *hwmon_dev;
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	struct mutex update_lock;
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	char valid;		/* !=0 if following fields are valid */
	unsigned long last_updated;	/* In jiffies */
	unsigned long last_limits;	/* In jiffies */

	/* Register values */
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	u8 in[11];
	u8 in_high[11];
	u8 in_low[11];
	u16 has_in;
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	u16 fan[3];
	u16 fan_low[3];
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	u16 fan_target[3];
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	u8 fan_ctrl[3];
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	u8 pwm[3];
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	u8 pwm_freq[3];
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	u8 temp[3];
	u8 temp_high[3];
	u8 temp_hyst[3];
	u8 temp_mode;
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	unsigned long alarms;
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	struct f71805f_auto_point auto_points[3];
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};

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struct f71805f_sio_data {
	enum kinds kind;
	u8 fnsel1;
};

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static inline long in_from_reg(u8 reg)
{
	return (reg * 8);
}

/* The 2 least significant bits are not used */
static inline u8 in_to_reg(long val)
{
	if (val <= 0)
		return 0;
	if (val >= 2016)
		return 0xfc;
	return (((val + 16) / 32) << 2);
}

/* in0 is downscaled by a factor 2 internally */
static inline long in0_from_reg(u8 reg)
{
	return (reg * 16);
}

static inline u8 in0_to_reg(long val)
{
	if (val <= 0)
		return 0;
	if (val >= 4032)
		return 0xfc;
	return (((val + 32) / 64) << 2);
}

/* The 4 most significant bits are not used */
static inline long fan_from_reg(u16 reg)
{
	reg &= 0xfff;
	if (!reg || reg == 0xfff)
		return 0;
	return (1500000 / reg);
}

static inline u16 fan_to_reg(long rpm)
{
	/* If the low limit is set below what the chip can measure,
	   store the largest possible 12-bit value in the registers,
	   so that no alarm will ever trigger. */
	if (rpm < 367)
		return 0xfff;
	return (1500000 / rpm);
}

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static inline unsigned long pwm_freq_from_reg(u8 reg)
{
	unsigned long clock = (reg & 0x80) ? 48000000UL : 1000000UL;

	reg &= 0x7f;
	if (reg == 0)
		reg++;
	return clock / (reg << 8);
}

static inline u8 pwm_freq_to_reg(unsigned long val)
{
	if (val >= 187500)	/* The highest we can do */
		return 0x80;
	if (val >= 1475)	/* Use 48 MHz clock */
		return 0x80 | (48000000UL / (val << 8));
	if (val < 31)		/* The lowest we can do */
		return 0x7f;
	else			/* Use 1 MHz clock */
		return 1000000UL / (val << 8);
}

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static inline int pwm_mode_from_reg(u8 reg)
{
	return !(reg & FAN_CTRL_DC_MODE);
}

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static inline long temp_from_reg(u8 reg)
{
	return (reg * 1000);
}

static inline u8 temp_to_reg(long val)
{
	if (val < 0)
		val = 0;
	else if (val > 1000 * 0xff)
		val = 0xff;
	return ((val + 500) / 1000);
}

/*
 * Device I/O access
 */

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/* Must be called with data->update_lock held, except during initialization */
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static u8 f71805f_read8(struct f71805f_data *data, u8 reg)
{
	outb(reg, data->addr + ADDR_REG_OFFSET);
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	return inb(data->addr + DATA_REG_OFFSET);
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}

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/* Must be called with data->update_lock held, except during initialization */
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static void f71805f_write8(struct f71805f_data *data, u8 reg, u8 val)
{
	outb(reg, data->addr + ADDR_REG_OFFSET);
	outb(val, data->addr + DATA_REG_OFFSET);
}

/* It is important to read the MSB first, because doing so latches the
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   value of the LSB, so we are sure both bytes belong to the same value.
   Must be called with data->update_lock held, except during initialization */
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static u16 f71805f_read16(struct f71805f_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;
}

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/* Must be called with data->update_lock held, except during initialization */
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static void f71805f_write16(struct f71805f_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 & 0xff, data->addr + DATA_REG_OFFSET);
}

static struct f71805f_data *f71805f_update_device(struct device *dev)
{
	struct f71805f_data *data = dev_get_drvdata(dev);
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	int nr, apnr;
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	mutex_lock(&data->update_lock);
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	/* Limit registers cache is refreshed after 60 seconds */
	if (time_after(jiffies, data->last_updated + 60 * HZ)
	 || !data->valid) {
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		for (nr = 0; nr < 11; nr++) {
			if (!(data->has_in & (1 << nr)))
				continue;
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			data->in_high[nr] = f71805f_read8(data,
					    F71805F_REG_IN_HIGH(nr));
			data->in_low[nr] = f71805f_read8(data,
					   F71805F_REG_IN_LOW(nr));
		}
		for (nr = 0; nr < 3; nr++) {
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			data->fan_low[nr] = f71805f_read16(data,
					    F71805F_REG_FAN_LOW(nr));
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			data->fan_target[nr] = f71805f_read16(data,
					       F71805F_REG_FAN_TARGET(nr));
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			data->pwm_freq[nr] = f71805f_read8(data,
					     F71805F_REG_PWM_FREQ(nr));
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		}
		for (nr = 0; nr < 3; nr++) {
			data->temp_high[nr] = f71805f_read8(data,
					      F71805F_REG_TEMP_HIGH(nr));
			data->temp_hyst[nr] = f71805f_read8(data,
					      F71805F_REG_TEMP_HYST(nr));
		}
		data->temp_mode = f71805f_read8(data, F71805F_REG_TEMP_MODE);
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		for (nr = 0; nr < 3; nr++) {
			for (apnr = 0; apnr < 3; apnr++) {
				data->auto_points[nr].temp[apnr] =
					f71805f_read8(data,
					F71805F_REG_PWM_AUTO_POINT_TEMP(nr,
									apnr));
				data->auto_points[nr].fan[apnr] =
					f71805f_read16(data,
					F71805F_REG_PWM_AUTO_POINT_FAN(nr,
								       apnr));
			}
		}
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		data->last_limits = jiffies;
	}

	/* Measurement registers cache is refreshed after 1 second */
	if (time_after(jiffies, data->last_updated + HZ)
	 || !data->valid) {
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		for (nr = 0; nr < 11; nr++) {
			if (!(data->has_in & (1 << nr)))
				continue;
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			data->in[nr] = f71805f_read8(data,
				       F71805F_REG_IN(nr));
		}
		for (nr = 0; nr < 3; nr++) {
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			data->fan[nr] = f71805f_read16(data,
					F71805F_REG_FAN(nr));
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			data->fan_ctrl[nr] = f71805f_read8(data,
					     F71805F_REG_FAN_CTRL(nr));
			data->pwm[nr] = f71805f_read8(data,
					F71805F_REG_PWM_DUTY(nr));
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		}
		for (nr = 0; nr < 3; nr++) {
			data->temp[nr] = f71805f_read8(data,
					 F71805F_REG_TEMP(nr));
		}
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		data->alarms = f71805f_read8(data, F71805F_REG_STATUS(0))
			+ (f71805f_read8(data, F71805F_REG_STATUS(1)) << 8)
			+ (f71805f_read8(data, F71805F_REG_STATUS(2)) << 16);
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		data->last_updated = jiffies;
		data->valid = 1;
	}

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

/*
 * Sysfs interface
 */

static ssize_t show_in0(struct device *dev, struct device_attribute *devattr,
			char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
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	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;
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	return sprintf(buf, "%ld\n", in0_from_reg(data->in[nr]));
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}

static ssize_t show_in0_max(struct device *dev, struct device_attribute
			    *devattr, char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
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	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;
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	return sprintf(buf, "%ld\n", in0_from_reg(data->in_high[nr]));
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}

static ssize_t show_in0_min(struct device *dev, struct device_attribute
			    *devattr, char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
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	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;
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	return sprintf(buf, "%ld\n", in0_from_reg(data->in_low[nr]));
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}

static ssize_t set_in0_max(struct device *dev, struct device_attribute
			   *devattr, const char *buf, size_t count)
{
	struct f71805f_data *data = dev_get_drvdata(dev);
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	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;
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	long val = simple_strtol(buf, NULL, 10);

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	mutex_lock(&data->update_lock);
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	data->in_high[nr] = in0_to_reg(val);
	f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]);
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	mutex_unlock(&data->update_lock);
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	return count;
}

static ssize_t set_in0_min(struct device *dev, struct device_attribute
			   *devattr, const char *buf, size_t count)
{
	struct f71805f_data *data = dev_get_drvdata(dev);
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	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;
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	long val = simple_strtol(buf, NULL, 10);

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	mutex_lock(&data->update_lock);
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	data->in_low[nr] = in0_to_reg(val);
	f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]);
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	mutex_unlock(&data->update_lock);
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	return count;
}

static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
		       char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;

	return sprintf(buf, "%ld\n", in_from_reg(data->in[nr]));
}

static ssize_t show_in_max(struct device *dev, struct device_attribute
			   *devattr, char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;

	return sprintf(buf, "%ld\n", in_from_reg(data->in_high[nr]));
}

static ssize_t show_in_min(struct device *dev, struct device_attribute
			   *devattr, char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;

	return sprintf(buf, "%ld\n", in_from_reg(data->in_low[nr]));
}

static ssize_t set_in_max(struct device *dev, struct device_attribute
			  *devattr, const char *buf, size_t count)
{
	struct f71805f_data *data = dev_get_drvdata(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;
	long val = simple_strtol(buf, NULL, 10);

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	mutex_lock(&data->update_lock);
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	data->in_high[nr] = in_to_reg(val);
	f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]);
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	mutex_unlock(&data->update_lock);
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	return count;
}

static ssize_t set_in_min(struct device *dev, struct device_attribute
			  *devattr, const char *buf, size_t count)
{
	struct f71805f_data *data = dev_get_drvdata(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;
	long val = simple_strtol(buf, NULL, 10);

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	mutex_lock(&data->update_lock);
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	data->in_low[nr] = in_to_reg(val);
	f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]);
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	mutex_unlock(&data->update_lock);
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	return count;
}

static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
			char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;

	return sprintf(buf, "%ld\n", fan_from_reg(data->fan[nr]));
}

static ssize_t show_fan_min(struct device *dev, struct device_attribute
			    *devattr, char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;

	return sprintf(buf, "%ld\n", fan_from_reg(data->fan_low[nr]));
}

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static ssize_t show_fan_target(struct device *dev, struct device_attribute
			       *devattr, char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;

	return sprintf(buf, "%ld\n", fan_from_reg(data->fan_target[nr]));
}

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static ssize_t set_fan_min(struct device *dev, struct device_attribute
			   *devattr, const char *buf, size_t count)
{
	struct f71805f_data *data = dev_get_drvdata(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;
	long val = simple_strtol(buf, NULL, 10);

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	mutex_lock(&data->update_lock);
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	data->fan_low[nr] = fan_to_reg(val);
	f71805f_write16(data, F71805F_REG_FAN_LOW(nr), data->fan_low[nr]);
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	mutex_unlock(&data->update_lock);
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	return count;
}

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static ssize_t set_fan_target(struct device *dev, struct device_attribute
			      *devattr, const char *buf, size_t count)
{
	struct f71805f_data *data = dev_get_drvdata(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;
	long val = simple_strtol(buf, NULL, 10);

	mutex_lock(&data->update_lock);
	data->fan_target[nr] = fan_to_reg(val);
	f71805f_write16(data, F71805F_REG_FAN_TARGET(nr),
			data->fan_target[nr]);
	mutex_unlock(&data->update_lock);

	return count;
}

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static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
			char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;

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

static ssize_t show_pwm_enable(struct device *dev, struct device_attribute
			       *devattr, char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;
	int mode;

	switch (data->fan_ctrl[nr] & FAN_CTRL_MODE_MASK) {
	case FAN_CTRL_MODE_SPEED:
		mode = 3;
		break;
	case FAN_CTRL_MODE_TEMPERATURE:
		mode = 2;
		break;
	default: /* MANUAL */
		mode = 1;
	}

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

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static ssize_t show_pwm_freq(struct device *dev, struct device_attribute
			     *devattr, char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;

	return sprintf(buf, "%lu\n", pwm_freq_from_reg(data->pwm_freq[nr]));
}

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static ssize_t show_pwm_mode(struct device *dev, struct device_attribute
			     *devattr, char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;

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

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static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr,
		       const char *buf, size_t count)
{
	struct f71805f_data *data = dev_get_drvdata(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;
	unsigned long val = simple_strtoul(buf, NULL, 10);

	if (val > 255)
		return -EINVAL;

	mutex_lock(&data->update_lock);
	data->pwm[nr] = val;
	f71805f_write8(data, F71805F_REG_PWM_DUTY(nr), data->pwm[nr]);
	mutex_unlock(&data->update_lock);

	return count;
}

static struct attribute *f71805f_attr_pwm[];

static ssize_t set_pwm_enable(struct device *dev, struct device_attribute
			      *devattr, const char *buf, size_t count)
{
	struct f71805f_data *data = dev_get_drvdata(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;
	unsigned long val = simple_strtoul(buf, NULL, 10);
	u8 reg;

	if (val < 1 || val > 3)
		return -EINVAL;

	if (val > 1) { /* Automatic mode, user can't set PWM value */
		if (sysfs_chmod_file(&dev->kobj, f71805f_attr_pwm[nr],
				     S_IRUGO))
			dev_dbg(dev, "chmod -w pwm%d failed\n", nr + 1);
	}

	mutex_lock(&data->update_lock);
	reg = f71805f_read8(data, F71805F_REG_FAN_CTRL(nr))
	    & ~FAN_CTRL_MODE_MASK;
	switch (val) {
	case 1:
		reg |= FAN_CTRL_MODE_MANUAL;
		break;
	case 2:
		reg |= FAN_CTRL_MODE_TEMPERATURE;
		break;
	case 3:
		reg |= FAN_CTRL_MODE_SPEED;
		break;
	}
	data->fan_ctrl[nr] = reg;
	f71805f_write8(data, F71805F_REG_FAN_CTRL(nr), reg);
	mutex_unlock(&data->update_lock);

	if (val == 1) { /* Manual mode, user can set PWM value */
		if (sysfs_chmod_file(&dev->kobj, f71805f_attr_pwm[nr],
				     S_IRUGO | S_IWUSR))
			dev_dbg(dev, "chmod +w pwm%d failed\n", nr + 1);
	}

	return count;
}

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static ssize_t set_pwm_freq(struct device *dev, struct device_attribute
			    *devattr, const char *buf, size_t count)
{
	struct f71805f_data *data = dev_get_drvdata(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;
	unsigned long val = simple_strtoul(buf, NULL, 10);

	mutex_lock(&data->update_lock);
	data->pwm_freq[nr] = pwm_freq_to_reg(val);
	f71805f_write8(data, F71805F_REG_PWM_FREQ(nr), data->pwm_freq[nr]);
	mutex_unlock(&data->update_lock);

	return count;
}

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static ssize_t show_pwm_auto_point_temp(struct device *dev,
					struct device_attribute *devattr,
					char* buf)
{
	struct f71805f_data *data = dev_get_drvdata(dev);
	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
	int pwmnr = attr->nr;
	int apnr = attr->index;

	return sprintf(buf, "%ld\n",
		       temp_from_reg(data->auto_points[pwmnr].temp[apnr]));
}

static ssize_t set_pwm_auto_point_temp(struct device *dev,
				       struct device_attribute *devattr,
				       const char* buf, size_t count)
{
	struct f71805f_data *data = dev_get_drvdata(dev);
	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
	int pwmnr = attr->nr;
	int apnr = attr->index;
	unsigned long val = simple_strtol(buf, NULL, 10);

	mutex_lock(&data->update_lock);
	data->auto_points[pwmnr].temp[apnr] = temp_to_reg(val);
	f71805f_write8(data, F71805F_REG_PWM_AUTO_POINT_TEMP(pwmnr, apnr),
		       data->auto_points[pwmnr].temp[apnr]);
	mutex_unlock(&data->update_lock);

	return count;
}

static ssize_t show_pwm_auto_point_fan(struct device *dev,
				       struct device_attribute *devattr,
				       char* buf)
{
	struct f71805f_data *data = dev_get_drvdata(dev);
	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
	int pwmnr = attr->nr;
	int apnr = attr->index;

	return sprintf(buf, "%ld\n",
		       fan_from_reg(data->auto_points[pwmnr].fan[apnr]));
}

static ssize_t set_pwm_auto_point_fan(struct device *dev,
				      struct device_attribute *devattr,
				      const char* buf, size_t count)
{
	struct f71805f_data *data = dev_get_drvdata(dev);
	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
	int pwmnr = attr->nr;
	int apnr = attr->index;
	unsigned long val = simple_strtoul(buf, NULL, 10);

	mutex_lock(&data->update_lock);
	data->auto_points[pwmnr].fan[apnr] = fan_to_reg(val);
	f71805f_write16(data, F71805F_REG_PWM_AUTO_POINT_FAN(pwmnr, apnr),
		        data->auto_points[pwmnr].fan[apnr]);
	mutex_unlock(&data->update_lock);

	return count;
}

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static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
			 char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;

	return sprintf(buf, "%ld\n", temp_from_reg(data->temp[nr]));
}

static ssize_t show_temp_max(struct device *dev, struct device_attribute
			     *devattr, char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;

	return sprintf(buf, "%ld\n", temp_from_reg(data->temp_high[nr]));
}

static ssize_t show_temp_hyst(struct device *dev, struct device_attribute
			      *devattr, char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;

	return sprintf(buf, "%ld\n", temp_from_reg(data->temp_hyst[nr]));
}

static ssize_t show_temp_type(struct device *dev, struct device_attribute
			      *devattr, char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;

	/* 3 is diode, 4 is thermistor */
	return sprintf(buf, "%u\n", (data->temp_mode & (1 << nr)) ? 3 : 4);
}

static ssize_t set_temp_max(struct device *dev, struct device_attribute
			    *devattr, const char *buf, size_t count)
{
	struct f71805f_data *data = dev_get_drvdata(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;
	long val = simple_strtol(buf, NULL, 10);

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	mutex_lock(&data->update_lock);
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	data->temp_high[nr] = temp_to_reg(val);
	f71805f_write8(data, F71805F_REG_TEMP_HIGH(nr), data->temp_high[nr]);
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	mutex_unlock(&data->update_lock);
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	return count;
}

static ssize_t set_temp_hyst(struct device *dev, struct device_attribute
			     *devattr, const char *buf, size_t count)
{
	struct f71805f_data *data = dev_get_drvdata(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int nr = attr->index;
	long val = simple_strtol(buf, NULL, 10);

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	mutex_lock(&data->update_lock);
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	data->temp_hyst[nr] = temp_to_reg(val);
	f71805f_write8(data, F71805F_REG_TEMP_HYST(nr), data->temp_hyst[nr]);
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	mutex_unlock(&data->update_lock);
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	return count;
}

static ssize_t show_alarms_in(struct device *dev, struct device_attribute
			      *devattr, char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);

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	return sprintf(buf, "%lu\n", data->alarms & 0x7ff);
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}

static ssize_t show_alarms_fan(struct device *dev, struct device_attribute
			       *devattr, char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);

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	return sprintf(buf, "%lu\n", (data->alarms >> 16) & 0x07);
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}

static ssize_t show_alarms_temp(struct device *dev, struct device_attribute
				*devattr, char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);

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	return sprintf(buf, "%lu\n", (data->alarms >> 11) & 0x07);
}

static ssize_t show_alarm(struct device *dev, struct device_attribute
			  *devattr, char *buf)
{
	struct f71805f_data *data = f71805f_update_device(dev);
	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
	int bitnr = attr->index;

	return sprintf(buf, "%lu\n", (data->alarms >> bitnr) & 1);
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}

static ssize_t show_name(struct device *dev, struct device_attribute
			 *devattr, char *buf)
{
	struct f71805f_data *data = dev_get_drvdata(dev);

	return sprintf(buf, "%s\n", data->name);
}

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static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL, 0);
static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO| S_IWUSR,
			  show_in0_max, set_in0_max, 0);
static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO| S_IWUSR,
			  show_in0_min, set_in0_min, 0);
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static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1);
static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR,
			  show_in_max, set_in_max, 1);
static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO | S_IWUSR,
			  show_in_min, set_in_min, 1);
static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2);
static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO | S_IWUSR,
			  show_in_max, set_in_max, 2);
static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO | S_IWUSR,
			  show_in_min, set_in_min, 2);
static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3);
static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO | S_IWUSR,
			  show_in_max, set_in_max, 3);
static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO | S_IWUSR,
			  show_in_min, set_in_min, 3);
static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4);
static SENSOR_DEVICE_ATTR(in4_max, S_IRUGO | S_IWUSR,
			  show_in_max, set_in_max, 4);
static SENSOR_DEVICE_ATTR(in4_min, S_IRUGO | S_IWUSR,
			  show_in_min, set_in_min, 4);
static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5);
static SENSOR_DEVICE_ATTR(in5_max, S_IRUGO | S_IWUSR,
			  show_in_max, set_in_max, 5);
static SENSOR_DEVICE_ATTR(in5_min, S_IRUGO | S_IWUSR,
			  show_in_min, set_in_min, 5);
static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6);
static SENSOR_DEVICE_ATTR(in6_max, S_IRUGO | S_IWUSR,
			  show_in_max, set_in_max, 6);
static SENSOR_DEVICE_ATTR(in6_min, S_IRUGO | S_IWUSR,
			  show_in_min, set_in_min, 6);
static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7);
static SENSOR_DEVICE_ATTR(in7_max, S_IRUGO | S_IWUSR,
			  show_in_max, set_in_max, 7);
static SENSOR_DEVICE_ATTR(in7_min, S_IRUGO | S_IWUSR,
			  show_in_min, set_in_min, 7);
static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8);
static SENSOR_DEVICE_ATTR(in8_max, S_IRUGO | S_IWUSR,
			  show_in_max, set_in_max, 8);
static SENSOR_DEVICE_ATTR(in8_min, S_IRUGO | S_IWUSR,
			  show_in_min, set_in_min, 8);
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static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_in0, NULL, 9);
static SENSOR_DEVICE_ATTR(in9_max, S_IRUGO | S_IWUSR,
			  show_in0_max, set_in0_max, 9);
static SENSOR_DEVICE_ATTR(in9_min, S_IRUGO | S_IWUSR,
			  show_in0_min, set_in0_min, 9);
static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_in0, NULL, 10);
static SENSOR_DEVICE_ATTR(in10_max, S_IRUGO | S_IWUSR,
			  show_in0_max, set_in0_max, 10);
static SENSOR_DEVICE_ATTR(in10_min, S_IRUGO | S_IWUSR,
			  show_in0_min, set_in0_min, 10);
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static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR,
			  show_fan_min, set_fan_min, 0);
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static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR,
			  show_fan_target, set_fan_target, 0);
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static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1);
static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR,
			  show_fan_min, set_fan_min, 1);
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static SENSOR_DEVICE_ATTR(fan2_target, S_IRUGO | S_IWUSR,
			  show_fan_target, set_fan_target, 1);
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static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2);
static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR,
			  show_fan_min, set_fan_min, 2);
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static SENSOR_DEVICE_ATTR(fan3_target, S_IRUGO | S_IWUSR,
			  show_fan_target, set_fan_target, 2);
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static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR,
		    show_temp_max, set_temp_max, 0);
static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,
		    show_temp_hyst, set_temp_hyst, 0);
static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0);
static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR,
		    show_temp_max, set_temp_max, 1);
static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR,
		    show_temp_hyst, set_temp_hyst, 1);
static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1);
static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
static SENSOR_DEVICE_ATTR(temp3_max, S_IRUGO | S_IWUSR,
		    show_temp_max, set_temp_max, 2);
static SENSOR_DEVICE_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR,
		    show_temp_hyst, set_temp_hyst, 2);
static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2);

1011
1012
1013
1014
1015
/* pwm (value) files are created read-only, write permission is
   then added or removed dynamically as needed */
static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO, show_pwm, set_pwm, 0);
static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
			  show_pwm_enable, set_pwm_enable, 0);
1016
1017
static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO | S_IWUSR,
			  show_pwm_freq, set_pwm_freq, 0);
1018
static SENSOR_DEVICE_ATTR(pwm1_mode, S_IRUGO, show_pwm_mode, NULL, 0);
1019
1020
1021
static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO, show_pwm, set_pwm, 1);
static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR,
			  show_pwm_enable, set_pwm_enable, 1);
1022
1023
static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO | S_IWUSR,
			  show_pwm_freq, set_pwm_freq, 1);
1024
static SENSOR_DEVICE_ATTR(pwm2_mode, S_IRUGO, show_pwm_mode, NULL, 1);
1025
1026
1027
static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO, show_pwm, set_pwm, 2);
static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR,
			  show_pwm_enable, set_pwm_enable, 2);
1028
1029
static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO | S_IWUSR,
			  show_pwm_freq, set_pwm_freq, 2);
1030
static SENSOR_DEVICE_ATTR(pwm3_mode, S_IRUGO, show_pwm_mode, NULL, 2);
1031

1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_temp, set_pwm_auto_point_temp,
			    0, 0);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_fan, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_fan, set_pwm_auto_point_fan,
			    0, 0);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_temp, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_temp, set_pwm_auto_point_temp,
			    0, 1);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_fan, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_fan, set_pwm_auto_point_fan,
			    0, 1);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_temp, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_temp, set_pwm_auto_point_temp,
			    0, 2);
static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_fan, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_fan, set_pwm_auto_point_fan,
			    0, 2);

static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_temp, set_pwm_auto_point_temp,
			    1, 0);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_fan, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_fan, set_pwm_auto_point_fan,
			    1, 0);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_temp, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_temp, set_pwm_auto_point_temp,
			    1, 1);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_fan, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_fan, set_pwm_auto_point_fan,
			    1, 1);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_temp, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_temp, set_pwm_auto_point_temp,
			    1, 2);
static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_fan, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_fan, set_pwm_auto_point_fan,
			    1, 2);

static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_temp, set_pwm_auto_point_temp,
			    2, 0);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_fan, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_fan, set_pwm_auto_point_fan,
			    2, 0);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_temp, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_temp, set_pwm_auto_point_temp,
			    2, 1);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_fan, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_fan, set_pwm_auto_point_fan,
			    2, 1);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_temp, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_temp, set_pwm_auto_point_temp,
			    2, 2);
static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_fan, S_IRUGO | S_IWUSR,
			    show_pwm_auto_point_fan, set_pwm_auto_point_fan,
			    2, 2);

1089
1090
1091
1092
1093
1094
1095
1096
1097
static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 4);
static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5);
static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6);
static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7);
static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 8);
1098
1099
static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 9);
static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 10);
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 11);
static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 12);
static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16);
static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17);
static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18);
static DEVICE_ATTR(alarms_in, S_IRUGO, show_alarms_in, NULL);
static DEVICE_ATTR(alarms_fan, S_IRUGO, show_alarms_fan, NULL);
static DEVICE_ATTR(alarms_temp, S_IRUGO, show_alarms_temp, NULL);

static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);

static struct attribute *f71805f_attributes[] = {
1113
1114
1115
	&sensor_dev_attr_in0_input.dev_attr.attr,
	&sensor_dev_attr_in0_max.dev_attr.attr,
	&sensor_dev_attr_in0_min.dev_attr.attr,
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
	&sensor_dev_attr_in1_input.dev_attr.attr,
	&sensor_dev_attr_in1_max.dev_attr.attr,
	&sensor_dev_attr_in1_min.dev_attr.attr,
	&sensor_dev_attr_in2_input.dev_attr.attr,
	&sensor_dev_attr_in2_max.dev_attr.attr,
	&sensor_dev_attr_in2_min.dev_attr.attr,
	&sensor_dev_attr_in3_input.dev_attr.attr,
	&sensor_dev_attr_in3_max.dev_attr.attr,
	&sensor_dev_attr_in3_min.dev_attr.attr,
	&sensor_dev_attr_in5_input.dev_attr.attr,
	&sensor_dev_attr_in5_max.dev_attr.attr,
	&sensor_dev_attr_in5_min.dev_attr.attr,
	&sensor_dev_attr_in6_input.dev_attr.attr,
	&sensor_dev_attr_in6_max.dev_attr.attr,
	&sensor_dev_attr_in6_min.dev_attr.attr,
	&sensor_dev_attr_in7_input.dev_attr.attr,
	&sensor_dev_attr_in7_max.dev_attr.attr,
	&sensor_dev_attr_in7_min.dev_attr.attr,

1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
	&sensor_dev_attr_fan1_input.dev_attr.attr,
	&sensor_dev_attr_fan1_min.dev_attr.attr,
	&sensor_dev_attr_fan1_alarm.dev_attr.attr,
	&sensor_dev_attr_fan1_target.dev_attr.attr,
	&sensor_dev_attr_fan2_input.dev_attr.attr,
	&sensor_dev_attr_fan2_min.dev_attr.attr,
	&sensor_dev_attr_fan2_alarm.dev_attr.attr,
	&sensor_dev_attr_fan2_target.dev_attr.attr,
	&sensor_dev_attr_fan3_input.dev_attr.attr,
	&sensor_dev_attr_fan3_min.dev_attr.attr,
	&sensor_dev_attr_fan3_alarm.dev_attr.attr,
	&sensor_dev_attr_fan3_target.dev_attr.attr,

	&sensor_dev_attr_pwm1.dev_attr.attr,
	&sensor_dev_attr_pwm1_enable.dev_attr.attr,
	&sensor_dev_attr_pwm1_mode.dev_attr.attr,
	&sensor_dev_attr_pwm2.dev_attr.attr,
	&sensor_dev_attr_pwm2_enable.dev_attr.attr,
	&sensor_dev_attr_pwm2_mode.dev_attr.attr,
	&sensor_dev_attr_pwm3.dev_attr.attr,
	&sensor_dev_attr_pwm3_enable.dev_attr.attr,
	&sensor_dev_attr_pwm3_mode.dev_attr.attr,

1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
	&sensor_dev_attr_temp1_input.dev_attr.attr,
	&sensor_dev_attr_temp1_max.dev_attr.attr,
	&sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
	&sensor_dev_attr_temp1_type.dev_attr.attr,
	&sensor_dev_attr_temp2_input.dev_attr.attr,
	&sensor_dev_attr_temp2_max.dev_attr.attr,
	&sensor_dev_attr_temp2_max_hyst.dev_attr.attr,
	&sensor_dev_attr_temp2_type.dev_attr.attr,
	&sensor_dev_attr_temp3_input.dev_attr.attr,
	&sensor_dev_attr_temp3_max.dev_attr.attr,
	&sensor_dev_attr_temp3_max_hyst.dev_attr.attr,
	&sensor_dev_attr_temp3_type.dev_attr.attr,

1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
	&sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr,
	&sensor_dev_attr_pwm1_auto_point1_fan.dev_attr.attr,
	&sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr,
	&sensor_dev_attr_pwm1_auto_point2_fan.dev_attr.attr,
	&sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr,
	&sensor_dev_attr_pwm1_auto_point3_fan.dev_attr.attr,
	&sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr,
	&sensor_dev_attr_pwm2_auto_point1_fan.dev_attr.attr,
	&sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr,
	&sensor_dev_attr_pwm2_auto_point2_fan.dev_attr.attr,
	&sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr,
	&sensor_dev_attr_pwm2_auto_point3_fan.dev_attr.attr,
	&sensor_dev_attr_pwm3_auto_point1_temp.dev_attr.attr,
	&sensor_dev_attr_pwm3_auto_point1_fan.dev_attr.attr,
	&sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr,
	&sensor_dev_attr_pwm3_auto_point2_fan.dev_attr.attr,
	&sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr,
	&sensor_dev_attr_pwm3_auto_point3_fan.dev_attr.attr,

1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
	&sensor_dev_attr_in0_alarm.dev_attr.attr,
	&sensor_dev_attr_in1_alarm.dev_attr.attr,
	&sensor_dev_attr_in2_alarm.dev_attr.attr,
	&sensor_dev_attr_in3_alarm.dev_attr.attr,
	&sensor_dev_attr_in5_alarm.dev_attr.attr,
	&sensor_dev_attr_in6_alarm.dev_attr.attr,
	&sensor_dev_attr_in7_alarm.dev_attr.attr,
	&dev_attr_alarms_in.attr,
	&sensor_dev_attr_temp1_alarm.dev_attr.attr,
	&sensor_dev_attr_temp2_alarm.dev_attr.attr,
	&sensor_dev_attr_temp3_alarm.dev_attr.attr,
	&dev_attr_alarms_temp.attr,
	&dev_attr_alarms_fan.attr,

	&dev_attr_name.attr,
	NULL
1206
1207
};

1208
1209
static const struct attribute_group f71805f_group = {
	.attrs = f71805f_attributes,
1210
1211
};

1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
static struct attribute *f71805f_attributes_optin[4][5] = {
	{
		&sensor_dev_attr_in4_input.dev_attr.attr,
		&sensor_dev_attr_in4_max.dev_attr.attr,
		&sensor_dev_attr_in4_min.dev_attr.attr,
		&sensor_dev_attr_in4_alarm.dev_attr.attr,
		NULL
	}, {
		&sensor_dev_attr_in8_input.dev_attr.attr,
		&sensor_dev_attr_in8_max.dev_attr.attr,
		&sensor_dev_attr_in8_min.dev_attr.attr,
		&sensor_dev_attr_in8_alarm.dev_attr.attr,
		NULL
	}, {
		&sensor_dev_attr_in9_input.dev_attr.attr,
		&sensor_dev_attr_in9_max.dev_attr.attr,
		&sensor_dev_attr_in9_min.dev_attr.attr,
		&sensor_dev_attr_in9_alarm.dev_attr.attr,
		NULL
	}, {
		&sensor_dev_attr_in10_input.dev_attr.attr,
		&sensor_dev_attr_in10_max.dev_attr.attr,
		&sensor_dev_attr_in10_min.dev_attr.attr,
		&sensor_dev_attr_in10_alarm.dev_attr.attr,
		NULL
	}
};

static const struct attribute_group f71805f_group_optin[4] = {
	{ .attrs = f71805f_attributes_optin[0] },
	{ .attrs = f71805f_attributes_optin[1] },
	{ .attrs = f71805f_attributes_optin[2] },
	{ .attrs = f71805f_attributes_optin[3] },
};

1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
/* We don't include pwm_freq files in the arrays above, because they must be
   created conditionally (only if pwm_mode is 1 == PWM) */
static struct attribute *f71805f_attributes_pwm_freq[] = {
	&sensor_dev_attr_pwm1_freq.dev_attr.attr,
	&sensor_dev_attr_pwm2_freq.dev_attr.attr,
	&sensor_dev_attr_pwm3_freq.dev_attr.attr,
	NULL
};

static const struct attribute_group f71805f_group_pwm_freq = {
	.attrs = f71805f_attributes_pwm_freq,
};

1260
1261
1262
1263
1264
1265
1266
/* We also need an indexed access to pwmN files to toggle writability */
static struct attribute *f71805f_attr_pwm[] = {
	&sensor_dev_attr_pwm1.dev_attr.attr,
	&sensor_dev_attr_pwm2.dev_attr.attr,
	&sensor_dev_attr_pwm3.dev_attr.attr,
};

1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
/*
 * Device registration and initialization
 */

static void __devinit f71805f_init_device(struct f71805f_data *data)
{
	u8 reg;
	int i;

	reg = f71805f_read8(data, F71805F_REG_START);
	if ((reg & 0x41) != 0x01) {
		printk(KERN_DEBUG DRVNAME ": Starting monitoring "
		       "operations\n");
		f71805f_write8(data, F71805F_REG_START, (reg | 0x01) & ~0x40);
	}

	/* Fan monitoring can be disabled. If it is, we won't be polling
	   the register values, and won't create the related sysfs files. */
	for (i = 0; i < 3; i++) {
1286
1287
		data->fan_ctrl[i] = f71805f_read8(data,
						  F71805F_REG_FAN_CTRL(i));
1288
1289
1290
1291
1292
1293
1294
		/* Clear latch full bit, else "speed mode" fan speed control
		   doesn't work */
		if (data->fan_ctrl[i] & FAN_CTRL_LATCH_FULL) {
			data->fan_ctrl[i] &= ~FAN_CTRL_LATCH_FULL;
			f71805f_write8(data, F71805F_REG_FAN_CTRL(i),
				       data->fan_ctrl[i]);
		}
1295
1296
1297
1298
1299
	}
}

static int __devinit f71805f_probe(struct platform_device *pdev)
{
1300
	struct f71805f_sio_data *sio_data = pdev->dev.platform_data;
1301
1302
	struct f71805f_data *data;
	struct resource *res;
1303
	int i, err;
1304

1305
1306
1307
1308
1309
	static const char *names[] = {
		"f71805f",
		"f71872f",
	};

1310
1311
1312
1313
1314
1315
1316
	if (!(data = kzalloc(sizeof(struct f71805f_data), GFP_KERNEL))) {
		err = -ENOMEM;
		printk(KERN_ERR DRVNAME ": Out of memory\n");
		goto exit;
	}

	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1317
1318
1319
1320
1321
1322
1323
	if (!request_region(res->start + ADDR_REG_OFFSET, 2, DRVNAME)) {
		err = -EBUSY;
		dev_err(&pdev->dev, "Failed to request region 0x%lx-0x%lx\n",
			(unsigned long)(res->start + ADDR_REG_OFFSET),
			(unsigned long)(res->start + ADDR_REG_OFFSET + 1));
		goto exit_free;
	}
1324
	data->addr = res->start;
1325
	data->name = names[sio_data->kind];
1326
	mutex_init(&data->update_lock);
1327
1328
1329

	platform_set_drvdata(pdev, data);

1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
	/* Some voltage inputs depend on chip model and configuration */
	switch (sio_data->kind) {
	case f71805f:
		data->has_in = 0x1ff;
		break;
	case f71872f:
		data->has_in = 0x6ef;
		if (sio_data->fnsel1 & 0x01)
			data->has_in |= (1 << 4); /* in4 */
		if (sio_data->fnsel1 & 0x02)
			data->has_in |= (1 << 8); /* in8 */
		break;
	}

1344
1345
1346
1347
	/* Initialize the F71805F chip */
	f71805f_init_device(data);

	/* Register sysfs interface files */
1348
	if ((err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group)))
1349
		goto exit_release_region;
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
	if (data->has_in & (1 << 4)) { /* in4 */
		if ((err = sysfs_create_group(&pdev->dev.kobj,
					      &f71805f_group_optin[0])))
			goto exit_remove_files;
	}
	if (data->has_in & (1 << 8)) { /* in8 */
		if ((err = sysfs_create_group(&pdev->dev.kobj,
					      &f71805f_group_optin[1])))
			goto exit_remove_files;
	}
	if (data->has_in & (1 << 9)) { /* in9 (F71872F/FG only) */
		if ((err = sysfs_create_group(&pdev->dev.kobj,
					      &f71805f_group_optin[2])))
			goto exit_remove_files;
	}
	if (data->has_in & (1 << 10)) { /* in9 (F71872F/FG only) */
		if ((err = sysfs_create_group(&pdev->dev.kobj,
					      &f71805f_group_optin[3])))
			goto exit_remove_files;
	}
1370
	for (i = 0; i < 3; i++) {
1371
1372
1373
1374
1375
1376
		/* If control mode is PWM, create pwm_freq file */
		if (!(data->fan_ctrl[i] & FAN_CTRL_DC_MODE)) {
			if ((err = sysfs_create_file(&pdev->dev.kobj,
					f71805f_attributes_pwm_freq[i])))
				goto exit_remove_files;
		}
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
		/* If PWM is in manual mode, add write permission */
		if (data->fan_ctrl[i] & FAN_CTRL_MODE_MANUAL) {
			if ((err = sysfs_chmod_file(&pdev->dev.kobj,
						    f71805f_attr_pwm[i],
						    S_IRUGO | S_IWUSR))) {
				dev_err(&pdev->dev, "chmod +w pwm%d failed\n",
					i + 1);
				goto exit_remove_files;
			}
		}
1387
1388
	}

1389
1390
1391
	data->hwmon_dev = hwmon_device_register(&pdev->dev);
	if (IS_ERR(data->hwmon_dev)) {
		err = PTR_ERR(data->hwmon_dev);
1392
1393
		dev_err(&pdev->dev, "Class registration failed (%d)\n", err);
		goto exit_remove_files;
1394
1395
1396
1397
	}

	return 0;

1398
1399
exit_remove_files:
	sysfs_remove_group(&pdev->dev.kobj, &f71805f_group);
1400
1401
	for (i = 0; i < 4; i++)
		sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_optin[i]);
1402
	sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_pwm_freq);
1403
1404
exit_release_region:
	release_region(res->start + ADDR_REG_OFFSET, 2);
1405
exit_free:
1406
	platform_set_drvdata(pdev, NULL);
1407
1408
1409
1410
1411
1412
1413
1414
	kfree(data);
exit:
	return err;
}

static int __devexit f71805f_remove(struct platform_device *pdev)
{
	struct f71805f_data *data = platform_get_drvdata(pdev);
1415
	struct resource *res;
1416
	int i;
1417

1418
	hwmon_device_unregister(data->hwmon_dev);
1419
	sysfs_remove_group(&pdev->dev.kobj, &f71805f_group);
1420
1421
	for (i = 0; i < 4; i++)
		sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_optin[i]);
1422
	sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_pwm_freq);
1423
	platform_set_drvdata(pdev, NULL);
1424
1425
	kfree(data);

1426
1427
1428
	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
	release_region(res->start + ADDR_REG_OFFSET, 2);

1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
	return 0;
}

static struct platform_driver f71805f_driver = {
	.driver = {
		.owner	= THIS_MODULE,
		.name	= DRVNAME,
	},
	.probe		= f71805f_probe,
	.remove		= __devexit_p(f71805f_remove),
};

1441
1442
static int __init f71805f_device_add(unsigned short address,
				     const struct f71805f_sio_data *sio_data)
1443
{
1444
1445
1446
1447
1448
	struct resource res = {
		.start	= address,
		.end	= address + REGION_LENGTH - 1,
		.flags	= IORESOURCE_IO,
	};
1449
1450
1451
1452
1453
1454
1455
1456
1457
	int err;

	pdev = platform_device_alloc(DRVNAME, address);
	if (!pdev) {
		err = -ENOMEM;
		printk(KERN_ERR DRVNAME ": Device allocation failed\n");
		goto exit;
	}

1458
	res.name = pdev->name;
1459
1460
1461
1462
	err = acpi_check_resource_conflict(&res);
	if (err)
		goto exit_device_put;

1463
	err = platform_device_add_resources(pdev, &res, 1);
1464
1465
1466
1467
1468
1469
	if (err) {
		printk(KERN_ERR DRVNAME ": Device resource addition failed "
		       "(%d)\n", err);
		goto exit_device_put;
	}

1470
1471
1472
	err = platform_device_add_data(pdev, sio_data,
				       sizeof(struct f71805f_sio_data));
	if (err) {
1473
1474
1475
1476
		printk(KERN_ERR DRVNAME ": Platform data allocation failed\n");
		goto exit_device_put;
	}

1477
1478
1479
1480
	err = platform_device_add(pdev);
	if (err) {
		printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n",
		       err);
1481
		goto exit_device_put;
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
	}

	return 0;

exit_device_put:
	platform_device_put(pdev);
exit:
	return err;
}

1492
1493
static int __init f71805f_find(int sioaddr, unsigned short *address,
			       struct f71805f_sio_data *sio_data)
1494
1495
1496
1497
{
	int err = -ENODEV;
	u16 devid;

1498
1499
	static const char *names[] = {
		"F71805F/FG",
1500
		"F71872F/FG or F71806F/FG",
1501
1502
	};

1503
1504
1505
1506
1507
1508
	superio_enter(sioaddr);

	devid = superio_inw(sioaddr, SIO_REG_MANID);
	if (devid != SIO_FINTEK_ID)
		goto exit;

1509
	devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID);
1510
1511
1512
1513
1514
1515
1516
1517
1518
	switch (devid) {
	case SIO_F71805F_ID:
		sio_data->kind = f71805f;
		break;
	case SIO_F71872F_ID:
		sio_data->kind = f71872f;
		sio_data->fnsel1 = superio_inb(sioaddr, SIO_REG_FNSEL1);
		break;
	default:
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
		printk(KERN_INFO DRVNAME ": Unsupported Fintek device, "
		       "skipping\n");
		goto exit;
	}

	superio_select(sioaddr, F71805F_LD_HWM);
	if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
		printk(KERN_WARNING DRVNAME ": Device not activated, "
		       "skipping\n");
		goto exit;
	}

	*address = superio_inw(sioaddr, SIO_REG_ADDR);
	if (*address == 0) {
		printk(KERN_WARNING DRVNAME ": Base address not set, "
		       "skipping\n");
		goto exit;
	}
1537
	*address &= ~(REGION_LENGTH - 1);	/* Ignore 3 LSB */
1538
1539

	err = 0;
1540
1541
1542
	printk(KERN_INFO DRVNAME ": Found %s chip at %#x, revision %u\n",
	       names[sio_data->kind], *address,
	       superio_inb(sioaddr, SIO_REG_DEVREV));
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552

exit:
	superio_exit(sioaddr);
	return err;
}

static int __init f71805f_init(void)
{
	int err;
	unsigned short address;
1553
	struct f71805f_sio_data sio_data;
1554

1555
1556
	if (f71805f_find(0x2e, &address, &sio_data)
	 && f71805f_find(0x4e, &address, &sio_data))
1557
1558
1559
1560
1561
1562
1563
		return -ENODEV;

	err = platform_driver_register(&f71805f_driver);
	if (err)
		goto exit;

	/* Sets global pdev as a side effect */
1564
	err = f71805f_device_add(address, &sio_data);
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
	if (err)
		goto exit_driver;

	return 0;

exit_driver:
	platform_driver_unregister(&f71805f_driver);
exit:
	return err;
}

static void __exit f71805f_exit(void)
{
	platform_device_unregister(pdev);
	platform_driver_unregister(&f71805f_driver);
}

MODULE_AUTHOR("Jean Delvare <khali@linux-fr>");
MODULE_LICENSE("GPL");
1584
MODULE_DESCRIPTION("F71805F/F71872F hardware monitoring driver");
1585
1586
1587

module_init(f71805f_init);
module_exit(f71805f_exit);