[PATCH] I2C: Move hwmon drivers (2/3)

Part 2: Move the driver files themselves.

Note that the patch "adds trailing whitespace", because it does move the
files as-is, and some files happen to have trailing whitespace.

From: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 1184 deletions

diff --git a/drivers/i2c/chips/it87.c b/drivers/i2c/chips/it87.c
deleted file mode 100644
index db20c9e4739..00000000000
--- a/drivers/i2c/chips/it87.c
+++ /dev/null
@@ -1,1184 +0,0 @@
-/*
-    it87.c - Part of lm_sensors, Linux kernel modules for hardware
-             monitoring.
-
-    Supports: IT8705F  Super I/O chip w/LPC interface & SMBus
-              IT8712F  Super I/O chip w/LPC interface & SMBus
-              Sis950   A clone of the IT8705F
-
-    Copyright (C) 2001 Chris Gauthron <chrisg@0-in.com> 
-    Largely inspired by lm78.c of the same package
-
-    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.
-*/
-
-/*
-    djg@pdp8.net David Gesswein 7/18/01
-    Modified to fix bug with not all alarms enabled.
-    Added ability to read battery voltage and select temperature sensor
-    type at module load time.
-*/
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/jiffies.h>
-#include <linux/i2c.h>
-#include <linux/i2c-sensor.h>
-#include <linux/i2c-vid.h>
-#include <linux/hwmon-sysfs.h>
-#include <asm/io.h>
-
-
-/* Addresses to scan */
-static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d,
-					0x2e, 0x2f, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { 0x0290, I2C_CLIENT_ISA_END };
-
-/* Insmod parameters */
-SENSORS_INSMOD_2(it87, it8712);
-
-#define	REG	0x2e	/* The register to read/write */
-#define	DEV	0x07	/* Register: Logical device select */
-#define	VAL	0x2f	/* The value to read/write */
-#define PME	0x04	/* The device with the fan registers in it */
-#define	DEVID	0x20	/* Register: Device ID */
-#define	DEVREV	0x22	/* Register: Device Revision */
-
-static inline int
-superio_inb(int reg)
-{
-	outb(reg, REG);
-	return inb(VAL);
-}
-
-static int superio_inw(int reg)
-{
-	int val;
-	outb(reg++, REG);
-	val = inb(VAL) << 8;
-	outb(reg, REG);
-	val |= inb(VAL);
-	return val;
-}
-
-static inline void
-superio_select(void)
-{
-	outb(DEV, REG);
-	outb(PME, VAL);
-}
-
-static inline void
-superio_enter(void)
-{
-	outb(0x87, REG);
-	outb(0x01, REG);
-	outb(0x55, REG);
-	outb(0x55, REG);
-}
-
-static inline void
-superio_exit(void)
-{
-	outb(0x02, REG);
-	outb(0x02, VAL);
-}
-
-#define IT8712F_DEVID 0x8712
-#define IT8705F_DEVID 0x8705
-#define IT87_ACT_REG  0x30
-#define IT87_BASE_REG 0x60
-
-/* Update battery voltage after every reading if true */
-static int update_vbat;
-
-/* Not all BIOSes properly configure the PWM registers */
-static int fix_pwm_polarity;
-
-/* Chip Type */
-
-static u16 chip_type;
-
-/* Many IT87 constants specified below */
-
-/* Length of ISA address segment */
-#define IT87_EXTENT 8
-
-/* Where are the ISA address/data registers relative to the base address */
-#define IT87_ADDR_REG_OFFSET 5
-#define IT87_DATA_REG_OFFSET 6
-
-/*----- The IT87 registers -----*/
-
-#define IT87_REG_CONFIG        0x00
-
-#define IT87_REG_ALARM1        0x01
-#define IT87_REG_ALARM2        0x02
-#define IT87_REG_ALARM3        0x03
-
-#define IT87_REG_VID           0x0a
-#define IT87_REG_FAN_DIV       0x0b
-
-/* Monitors: 9 voltage (0 to 7, battery), 3 temp (1 to 3), 3 fan (1 to 3) */
-
-#define IT87_REG_FAN(nr)       (0x0d + (nr))
-#define IT87_REG_FAN_MIN(nr)   (0x10 + (nr))
-#define IT87_REG_FAN_MAIN_CTRL 0x13
-#define IT87_REG_FAN_CTL       0x14
-#define IT87_REG_PWM(nr)       (0x15 + (nr))
-
-#define IT87_REG_VIN(nr)       (0x20 + (nr))
-#define IT87_REG_TEMP(nr)      (0x29 + (nr))
-
-#define IT87_REG_VIN_MAX(nr)   (0x30 + (nr) * 2)
-#define IT87_REG_VIN_MIN(nr)   (0x31 + (nr) * 2)
-#define IT87_REG_TEMP_HIGH(nr) (0x40 + (nr) * 2)
-#define IT87_REG_TEMP_LOW(nr)  (0x41 + (nr) * 2)
-
-#define IT87_REG_I2C_ADDR      0x48
-
-#define IT87_REG_VIN_ENABLE    0x50
-#define IT87_REG_TEMP_ENABLE   0x51
-
-#define IT87_REG_CHIPID        0x58
-
-#define IN_TO_REG(val)  (SENSORS_LIMIT((((val) + 8)/16),0,255))
-#define IN_FROM_REG(val) ((val) * 16)
-
-static inline u8 FAN_TO_REG(long rpm, int div)
-{
-	if (rpm == 0)
-		return 255;
-	rpm = SENSORS_LIMIT(rpm, 1, 1000000);
-	return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
-			     254);
-}
-
-#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
-
-#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)<0?(((val)-500)/1000):\
-					((val)+500)/1000),-128,127))
-#define TEMP_FROM_REG(val) (((val)>0x80?(val)-0x100:(val))*1000)
-
-#define PWM_TO_REG(val)   ((val) >> 1)
-#define PWM_FROM_REG(val) (((val)&0x7f) << 1)
-
-static int DIV_TO_REG(int val)
-{
-	int answer = 0;
-	while ((val >>= 1) != 0)
-		answer++;
-	return answer;
-}
-#define DIV_FROM_REG(val) (1 << (val))
-
-
-/* For each registered IT87, we need to keep some data in memory. That
-   data is pointed to by it87_list[NR]->data. The structure itself is
-   dynamically allocated, at the same time when a new it87 client is
-   allocated. */
-struct it87_data {
-	struct i2c_client client;
-	struct semaphore lock;
-	enum chips type;
-
-	struct semaphore update_lock;
-	char valid;		/* !=0 if following fields are valid */
-	unsigned long last_updated;	/* In jiffies */
-
-	u8 in[9];		/* Register value */
-	u8 in_max[9];		/* Register value */
-	u8 in_min[9];		/* Register value */
-	u8 fan[3];		/* Register value */
-	u8 fan_min[3];		/* Register value */
-	u8 temp[3];		/* Register value */
-	u8 temp_high[3];	/* Register value */
-	u8 temp_low[3];		/* Register value */
-	u8 sensor;		/* Register value */
-	u8 fan_div[3];		/* Register encoding, shifted right */
-	u8 vid;			/* Register encoding, combined */
-	int vrm;
-	u32 alarms;		/* Register encoding, combined */
-	u8 fan_main_ctrl;	/* Register value */
-	u8 manual_pwm_ctl[3];   /* manual PWM value set by user */
-};
-
-
-static int it87_attach_adapter(struct i2c_adapter *adapter);
-static int it87_find(int *address);
-static int it87_detect(struct i2c_adapter *adapter, int address, int kind);
-static int it87_detach_client(struct i2c_client *client);
-
-static int it87_read_value(struct i2c_client *client, u8 register);
-static int it87_write_value(struct i2c_client *client, u8 register,
-			u8 value);
-static struct it87_data *it87_update_device(struct device *dev);
-static int it87_check_pwm(struct i2c_client *client);
-static void it87_init_client(struct i2c_client *client, struct it87_data *data);
-
-
-static struct i2c_driver it87_driver = {
-	.owner		= THIS_MODULE,
-	.name		= "it87",
-	.id		= I2C_DRIVERID_IT87,
-	.flags		= I2C_DF_NOTIFY,
-	.attach_adapter	= it87_attach_adapter,
-	.detach_client	= it87_detach_client,
-};
-
-static ssize_t show_in(struct device *dev, struct device_attribute *attr,
-		char *buf)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr]));
-}
-
-static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
-		char *buf)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr]));
-}
-
-static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
-		char *buf)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr]));
-}
-
-static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
-		const char *buf, size_t count)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct i2c_client *client = to_i2c_client(dev);
-	struct it87_data *data = i2c_get_clientdata(client);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
-
-	down(&data->update_lock);
-	data->in_min[nr] = IN_TO_REG(val);
-	it87_write_value(client, IT87_REG_VIN_MIN(nr), 
-			data->in_min[nr]);
-	up(&data->update_lock);
-	return count;
-}
-static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
-		const char *buf, size_t count)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct i2c_client *client = to_i2c_client(dev);
-	struct it87_data *data = i2c_get_clientdata(client);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
-
-	down(&data->update_lock);
-	data->in_max[nr] = IN_TO_REG(val);
-	it87_write_value(client, IT87_REG_VIN_MAX(nr), 
-			data->in_max[nr]);
-	up(&data->update_lock);
-	return count;
-}
-
-#define show_in_offset(offset)					\
-static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,		\
-		show_in, NULL, offset);
-
-#define limit_in_offset(offset)					\
-static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR,	\
-		show_in_min, set_in_min, offset);		\
-static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR,	\
-		show_in_max, set_in_max, offset);
-
-show_in_offset(0);
-limit_in_offset(0);
-show_in_offset(1);
-limit_in_offset(1);
-show_in_offset(2);
-limit_in_offset(2);
-show_in_offset(3);
-limit_in_offset(3);
-show_in_offset(4);
-limit_in_offset(4);
-show_in_offset(5);
-limit_in_offset(5);
-show_in_offset(6);
-limit_in_offset(6);
-show_in_offset(7);
-limit_in_offset(7);
-show_in_offset(8);
-
-/* 3 temperatures */
-static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
-		char *buf)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
-}
-static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
-		char *buf)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[nr]));
-}
-static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
-		char *buf)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_low[nr]));
-}
-static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
-		const char *buf, size_t count)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct i2c_client *client = to_i2c_client(dev);
-	struct it87_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
-
-	down(&data->update_lock);
-	data->temp_high[nr] = TEMP_TO_REG(val);
-	it87_write_value(client, IT87_REG_TEMP_HIGH(nr), data->temp_high[nr]);
-	up(&data->update_lock);
-	return count;
-}
-static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
-		const char *buf, size_t count)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct i2c_client *client = to_i2c_client(dev);
-	struct it87_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
-
-	down(&data->update_lock);
-	data->temp_low[nr] = TEMP_TO_REG(val);
-	it87_write_value(client, IT87_REG_TEMP_LOW(nr), data->temp_low[nr]);
-	up(&data->update_lock);
-	return count;
-}
-#define show_temp_offset(offset)					\
-static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO,		\
-		show_temp, NULL, offset - 1);				\
-static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR,	\
-		show_temp_max, set_temp_max, offset - 1);		\
-static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR,	\
-		show_temp_min, set_temp_min, offset - 1);
-
-show_temp_offset(1);
-show_temp_offset(2);
-show_temp_offset(3);
-
-static ssize_t show_sensor(struct device *dev, struct device_attribute *attr,
-		char *buf)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct it87_data *data = it87_update_device(dev);
-	u8 reg = data->sensor; /* In case the value is updated while we use it */
-	
-	if (reg & (1 << nr))
-		return sprintf(buf, "3\n");  /* thermal diode */
-	if (reg & (8 << nr))
-		return sprintf(buf, "2\n");  /* thermistor */
-	return sprintf(buf, "0\n");      /* disabled */
-}
-static ssize_t set_sensor(struct device *dev, struct device_attribute *attr,
-		const char *buf, size_t count)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct i2c_client *client = to_i2c_client(dev);
-	struct it87_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
-
-	down(&data->update_lock);
-
-	data->sensor &= ~(1 << nr);
-	data->sensor &= ~(8 << nr);
-	/* 3 = thermal diode; 2 = thermistor; 0 = disabled */
-	if (val == 3)
-	    data->sensor |= 1 << nr;
-	else if (val == 2)
-	    data->sensor |= 8 << nr;
-	else if (val != 0) {
-		up(&data->update_lock);
-		return -EINVAL;
-	}
-	it87_write_value(client, IT87_REG_TEMP_ENABLE, data->sensor);
-	up(&data->update_lock);
-	return count;
-}
-#define show_sensor_offset(offset)					\
-static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR,	\
-		show_sensor, set_sensor, offset - 1);
-
-show_sensor_offset(1);
-show_sensor_offset(2);
-show_sensor_offset(3);
-
-/* 3 Fans */
-static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
-		char *buf)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr], 
-				DIV_FROM_REG(data->fan_div[nr])));
-}
-static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
-		char *buf)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf,"%d\n",
-		FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])));
-}
-static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
-		char *buf)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
-}
-static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr,
-		char *buf)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf,"%d\n", (data->fan_main_ctrl & (1 << nr)) ? 1 : 0);
-}
-static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
-		char *buf)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf,"%d\n", data->manual_pwm_ctl[nr]);
-}
-static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
-		const char *buf, size_t count)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct i2c_client *client = to_i2c_client(dev);
-	struct it87_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
-
-	down(&data->update_lock);
-	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
-	it87_write_value(client, IT87_REG_FAN_MIN(nr), data->fan_min[nr]);
-	up(&data->update_lock);
-	return count;
-}
-static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
-		const char *buf, size_t count)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct i2c_client *client = to_i2c_client(dev);
-	struct it87_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
-	int i, min[3];
-	u8 old;
-
-	down(&data->update_lock);
-	old = it87_read_value(client, IT87_REG_FAN_DIV);
-
-	for (i = 0; i < 3; i++)
-		min[i] = FAN_FROM_REG(data->fan_min[i], DIV_FROM_REG(data->fan_div[i]));
-
-	switch (nr) {
-	case 0:
-	case 1:
-		data->fan_div[nr] = DIV_TO_REG(val);
-		break;
-	case 2:
-		if (val < 8)
-			data->fan_div[nr] = 1;
-		else
-			data->fan_div[nr] = 3;
-	}
-	val = old & 0x80;
-	val |= (data->fan_div[0] & 0x07);
-	val |= (data->fan_div[1] & 0x07) << 3;
-	if (data->fan_div[2] == 3)
-		val |= 0x1 << 6;
-	it87_write_value(client, IT87_REG_FAN_DIV, val);
-
-	for (i = 0; i < 3; i++) {
-		data->fan_min[i]=FAN_TO_REG(min[i], DIV_FROM_REG(data->fan_div[i]));
-		it87_write_value(client, IT87_REG_FAN_MIN(i), data->fan_min[i]);
-	}
-	up(&data->update_lock);
-	return count;
-}
-static ssize_t set_pwm_enable(struct device *dev,
-		struct device_attribute *attr, const char *buf, size_t count)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct i2c_client *client = to_i2c_client(dev);
-	struct it87_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
-
-	down(&data->update_lock);
-
-	if (val == 0) {
-		int tmp;
-		/* make sure the fan is on when in on/off mode */
-		tmp = it87_read_value(client, IT87_REG_FAN_CTL);
-		it87_write_value(client, IT87_REG_FAN_CTL, tmp | (1 << nr));
-		/* set on/off mode */
-		data->fan_main_ctrl &= ~(1 << nr);
-		it87_write_value(client, IT87_REG_FAN_MAIN_CTRL, data->fan_main_ctrl);
-	} else if (val == 1) {
-		/* set SmartGuardian mode */
-		data->fan_main_ctrl |= (1 << nr);
-		it87_write_value(client, IT87_REG_FAN_MAIN_CTRL, data->fan_main_ctrl);
-		/* set saved pwm value, clear FAN_CTLX PWM mode bit */
-		it87_write_value(client, IT87_REG_PWM(nr), PWM_TO_REG(data->manual_pwm_ctl[nr]));
-	} else {
-		up(&data->update_lock);
-		return -EINVAL;
-	}
-
-	up(&data->update_lock);
-	return count;
-}
-static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
-		const char *buf, size_t count)
-{
-	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
-	int nr = sensor_attr->index;
-
-	struct i2c_client *client = to_i2c_client(dev);
-	struct it87_data *data = i2c_get_clientdata(client);
-	int val = simple_strtol(buf, NULL, 10);
-
-	if (val < 0 || val > 255)
-		return -EINVAL;
-
-	down(&data->update_lock);
-	data->manual_pwm_ctl[nr] = val;
-	if (data->fan_main_ctrl & (1 << nr))
-		it87_write_value(client, IT87_REG_PWM(nr), PWM_TO_REG(data->manual_pwm_ctl[nr]));
-	up(&data->update_lock);
-	return count;
-}
-
-#define show_fan_offset(offset)					\
-static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,		\
-		show_fan, NULL, offset - 1);			\
-static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
-		show_fan_min, set_fan_min, offset - 1);		\
-static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
-		show_fan_div, set_fan_div, offset - 1);
-
-show_fan_offset(1);
-show_fan_offset(2);
-show_fan_offset(3);
-
-#define show_pwm_offset(offset)						\
-static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR,	\
-		show_pwm_enable, set_pwm_enable, offset - 1);		\
-static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR,		\
-		show_pwm, set_pwm, offset - 1);
-
-show_pwm_offset(1);
-show_pwm_offset(2);
-show_pwm_offset(3);
-
-/* Alarms */
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf, "%u\n", data->alarms);
-}
-static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
-
-static ssize_t
-show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf, "%ld\n", (long) data->vrm);
-}
-static ssize_t
-store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
-{
-	struct i2c_client *client = to_i2c_client(dev);
-	struct it87_data *data = i2c_get_clientdata(client);
-	u32 val;
-
-	val = simple_strtoul(buf, NULL, 10);
-	data->vrm = val;
-
-	return count;
-}
-static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
-#define device_create_file_vrm(client) \
-device_create_file(&client->dev, &dev_attr_vrm)
-
-static ssize_t
-show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
-}
-static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
-#define device_create_file_vid(client) \
-device_create_file(&client->dev, &dev_attr_cpu0_vid)
-
-/* This function is called when:
-     * it87_driver is inserted (when this module is loaded), for each
-       available adapter
-     * when a new adapter is inserted (and it87_driver is still present) */
-static int it87_attach_adapter(struct i2c_adapter *adapter)
-{
-	if (!(adapter->class & I2C_CLASS_HWMON))
-		return 0;
-	return i2c_detect(adapter, &addr_data, it87_detect);
-}
-
-/* SuperIO detection - will change normal_isa[0] if a chip is found */
-static int it87_find(int *address)
-{
-	int err = -ENODEV;
-
-	superio_enter();
-	chip_type = superio_inw(DEVID);
-	if (chip_type != IT8712F_DEVID
-	 && chip_type != IT8705F_DEVID)
-	 	goto exit;
-
-	superio_select();
-	if (!(superio_inb(IT87_ACT_REG) & 0x01)) {
-		pr_info("it87: Device not activated, skipping\n");
-		goto exit;
-	}
-
-	*address = superio_inw(IT87_BASE_REG) & ~(IT87_EXTENT - 1);
-	if (*address == 0) {
-		pr_info("it87: Base address not set, skipping\n");
-		goto exit;
-	}
-
-	err = 0;
-	pr_info("it87: Found IT%04xF chip at 0x%x, revision %d\n",
-		chip_type, *address, superio_inb(DEVREV) & 0x0f);
-
-exit:
-	superio_exit();
-	return err;
-}
-
-/* This function is called by i2c_detect */
-int it87_detect(struct i2c_adapter *adapter, int address, int kind)
-{
-	int i;
-	struct i2c_client *new_client;
-	struct it87_data *data;
-	int err = 0;
-	const char *name = "";
-	int is_isa = i2c_is_isa_adapter(adapter);
-	int enable_pwm_interface;
-
-	if (!is_isa && 
-	    !i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-		goto ERROR0;
-
-	/* Reserve the ISA region */
-	if (is_isa)
-		if (!request_region(address, IT87_EXTENT, it87_driver.name))
-			goto ERROR0;
-
-	/* Probe whether there is anything available on this address. Already
-	   done for SMBus and Super-I/O clients */
-	if (kind < 0) {
-		if (is_isa && !chip_type) {
-#define REALLY_SLOW_IO
-			/* We need the timeouts for at least some IT87-like chips. But only
-			   if we read 'undefined' registers. */
-			i = inb_p(address + 1);
-			if (inb_p(address + 2) != i
-			 || inb_p(address + 3) != i
-			 || inb_p(address + 7) != i) {
-		 		err = -ENODEV;
-				goto ERROR1;
-			}
-#undef REALLY_SLOW_IO
-
-			/* Let's just hope nothing breaks here */
-			i = inb_p(address + 5) & 0x7f;
-			outb_p(~i & 0x7f, address + 5);
-			if ((inb_p(address + 5) & 0x7f) != (~i & 0x7f)) {
-				outb_p(i, address + 5);
-				err = -ENODEV;
-				goto ERROR1;
-			}
-		}
-	}
-
-	/* OK. For now, we presume we have a valid client. We now create the
-	   client structure, even though we cannot fill it completely yet.
-	   But it allows us to access it87_{read,write}_value. */
-
-	if (!(data = kmalloc(sizeof(struct it87_data), GFP_KERNEL))) {
-		err = -ENOMEM;
-		goto ERROR1;
-	}
-	memset(data, 0, sizeof(struct it87_data));
-
-	new_client = &data->client;
-	if (is_isa)
-		init_MUTEX(&data->lock);
-	i2c_set_clientdata(new_client, data);
-	new_client->addr = address;
-	new_client->adapter = adapter;
-	new_client->driver = &it87_driver;
-	new_client->flags = 0;
-
-	/* Now, we do the remaining detection. */
-
-	if (kind < 0) {
-		if ((it87_read_value(new_client, IT87_REG_CONFIG) & 0x80)
-		  || (!is_isa
-		   && it87_read_value(new_client, IT87_REG_I2C_ADDR) != address)) {
-		   	err = -ENODEV;
-			goto ERROR2;
-		}
-	}
-
-	/* Determine the chip type. */
-	if (kind <= 0) {
-		i = it87_read_value(new_client, IT87_REG_CHIPID);
-		if (i == 0x90) {
-			kind = it87;
-			if ((is_isa) && (chip_type == IT8712F_DEVID))
-				kind = it8712;
-		}
-		else {
-			if (kind == 0)
-				dev_info(&adapter->dev, 
-					"Ignoring 'force' parameter for unknown chip at "
-					"adapter %d, address 0x%02x\n",
-					i2c_adapter_id(adapter), address);
-			err = -ENODEV;
-			goto ERROR2;
-		}
-	}
-
-	if (kind == it87) {
-		name = "it87";
-	} else if (kind == it8712) {
-		name = "it8712";
-	}
-
-	/* Fill in the remaining client fields and put it into the global list */
-	strlcpy(new_client->name, name, I2C_NAME_SIZE);
-	data->type = kind;
-	data->valid = 0;
-	init_MUTEX(&data->update_lock);
-
-	/* Tell the I2C layer a new client has arrived */
-	if ((err = i2c_attach_client(new_client)))
-		goto ERROR2;
-
-	/* Check PWM configuration */
-	enable_pwm_interface = it87_check_pwm(new_client);
-
-	/* Initialize the IT87 chip */
-	it87_init_client(new_client, data);
-
-	/* Register sysfs hooks */
-	device_create_file(&new_client->dev, &sensor_dev_attr_in0_input.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in1_input.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in2_input.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in3_input.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in4_input.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in5_input.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in6_input.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in7_input.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in8_input.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in0_min.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in1_min.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in2_min.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in3_min.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in4_min.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in5_min.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in6_min.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in7_min.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in0_max.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in1_max.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in2_max.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in3_max.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in4_max.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in5_max.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in6_max.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_in7_max.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_temp1_input.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_temp2_input.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_temp3_input.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_temp1_max.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_temp2_max.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_temp3_max.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_temp1_min.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_temp2_min.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_temp3_min.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_temp1_type.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_temp2_type.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_temp3_type.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_fan1_input.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_fan2_input.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_fan3_input.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_fan1_min.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_fan2_min.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_fan3_min.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_fan1_div.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_fan2_div.dev_attr);
-	device_create_file(&new_client->dev, &sensor_dev_attr_fan3_div.dev_attr);
-	device_create_file(&new_client->dev, &dev_attr_alarms);
-	if (enable_pwm_interface) {
-		device_create_file(&new_client->dev, &sensor_dev_attr_pwm1_enable.dev_attr);
-		device_create_file(&new_client->dev, &sensor_dev_attr_pwm2_enable.dev_attr);
-		device_create_file(&new_client->dev, &sensor_dev_attr_pwm3_enable.dev_attr);
-		device_create_file(&new_client->dev, &sensor_dev_attr_pwm1.dev_attr);
-		device_create_file(&new_client->dev, &sensor_dev_attr_pwm2.dev_attr);
-		device_create_file(&new_client->dev, &sensor_dev_attr_pwm3.dev_attr);
-	}
-
-	if (data->type == it8712) {
-		data->vrm = i2c_which_vrm();
-		device_create_file_vrm(new_client);
-		device_create_file_vid(new_client);
-	}
-
-	return 0;
-
-ERROR2:
-	kfree(data);
-ERROR1:
-	if (is_isa)
-		release_region(address, IT87_EXTENT);
-ERROR0:
-	return err;
-}
-
-static int it87_detach_client(struct i2c_client *client)
-{
-	int err;
-
-	if ((err = i2c_detach_client(client))) {
-		dev_err(&client->dev,
-			"Client deregistration failed, client not detached.\n");
-		return err;
-	}
-
-	if(i2c_is_isa_client(client))
-		release_region(client->addr, IT87_EXTENT);
-	kfree(i2c_get_clientdata(client));
-
-	return 0;
-}
-
-/* The SMBus locks itself, but ISA access must be locked explicitly! 
-   We don't want to lock the whole ISA bus, so we lock each client
-   separately.
-   We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
-   would slow down the IT87 access and should not be necessary. */
-static int it87_read_value(struct i2c_client *client, u8 reg)
-{
-	struct it87_data *data = i2c_get_clientdata(client);
-
-	int res;
-	if (i2c_is_isa_client(client)) {
-		down(&data->lock);
-		outb_p(reg, client->addr + IT87_ADDR_REG_OFFSET);
-		res = inb_p(client->addr + IT87_DATA_REG_OFFSET);
-		up(&data->lock);
-		return res;
-	} else
-		return i2c_smbus_read_byte_data(client, reg);
-}
-
-/* The SMBus locks itself, but ISA access muse be locked explicitly! 
-   We don't want to lock the whole ISA bus, so we lock each client
-   separately.
-   We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
-   would slow down the IT87 access and should not be necessary. */
-static int it87_write_value(struct i2c_client *client, u8 reg, u8 value)
-{
-	struct it87_data *data = i2c_get_clientdata(client);
-
-	if (i2c_is_isa_client(client)) {
-		down(&data->lock);
-		outb_p(reg, client->addr + IT87_ADDR_REG_OFFSET);
-		outb_p(value, client->addr + IT87_DATA_REG_OFFSET);
-		up(&data->lock);
-		return 0;
-	} else
-		return i2c_smbus_write_byte_data(client, reg, value);
-}
-
-/* Return 1 if and only if the PWM interface is safe to use */
-static int it87_check_pwm(struct i2c_client *client)
-{
-	/* Some BIOSes fail to correctly configure the IT87 fans. All fans off
-	 * and polarity set to active low is sign that this is the case so we
-	 * disable pwm control to protect the user. */
-	int tmp = it87_read_value(client, IT87_REG_FAN_CTL);
-	if ((tmp & 0x87) == 0) {
-		if (fix_pwm_polarity) {
-			/* The user asks us to attempt a chip reconfiguration.
-			 * This means switching to active high polarity and
-			 * inverting all fan speed values. */
-			int i;
-			u8 pwm[3];
-
-			for (i = 0; i < 3; i++)
-				pwm[i] = it87_read_value(client,
-							 IT87_REG_PWM(i));
-
-			/* If any fan is in automatic pwm mode, the polarity
-			 * might be correct, as suspicious as it seems, so we
-			 * better don't change anything (but still disable the
-			 * PWM interface). */
-			if (!((pwm[0] | pwm[1] | pwm[2]) & 0x80)) {
-				dev_info(&client->dev, "Reconfiguring PWM to "
-					 "active high polarity\n");
-				it87_write_value(client, IT87_REG_FAN_CTL,
-						 tmp | 0x87);
-				for (i = 0; i < 3; i++)
-					it87_write_value(client,
-							 IT87_REG_PWM(i),
-							 0x7f & ~pwm[i]);
-				return 1;
-			}
-
-			dev_info(&client->dev, "PWM configuration is "
-				 "too broken to be fixed\n");
-		}
-
-		dev_info(&client->dev, "Detected broken BIOS "
-			 "defaults, disabling PWM interface\n");
-		return 0;
-	} else if (fix_pwm_polarity) {
-		dev_info(&client->dev, "PWM configuration looks "
-			 "sane, won't touch\n");
-	}
-
-	return 1;
-}
-
-/* Called when we have found a new IT87. */
-static void it87_init_client(struct i2c_client *client, struct it87_data *data)
-{
-	int tmp, i;
-
-	/* initialize to sane defaults:
-	 * - if the chip is in manual pwm mode, this will be overwritten with
-	 *   the actual settings on the chip (so in this case, initialization
-	 *   is not needed)
-	 * - if in automatic or on/off mode, we could switch to manual mode,
-	 *   read the registers and set manual_pwm_ctl accordingly, but currently
-	 *   this is not implemented, so we initialize to something sane */
-	for (i = 0; i < 3; i++) {
-		data->manual_pwm_ctl[i] = 0xff;
-	}
-
-	/* Check if temperature channnels are reset manually or by some reason */
-	tmp = it87_read_value(client, IT87_REG_TEMP_ENABLE);
-	if ((tmp & 0x3f) == 0) {
-		/* Temp1,Temp3=thermistor; Temp2=thermal diode */
-		tmp = (tmp & 0xc0) | 0x2a;
-		it87_write_value(client, IT87_REG_TEMP_ENABLE, tmp);
-	}
-	data->sensor = tmp;
-
-	/* Check if voltage monitors are reset manually or by some reason */
-	tmp = it87_read_value(client, IT87_REG_VIN_ENABLE);
-	if ((tmp & 0xff) == 0) {
-		/* Enable all voltage monitors */
-		it87_write_value(client, IT87_REG_VIN_ENABLE, 0xff);
-	}
-
-	/* Check if tachometers are reset manually or by some reason */
-	data->fan_main_ctrl = it87_read_value(client, IT87_REG_FAN_MAIN_CTRL);
-	if ((data->fan_main_ctrl & 0x70) == 0) {
-		/* Enable all fan tachometers */
-		data->fan_main_ctrl |= 0x70;
-		it87_write_value(client, IT87_REG_FAN_MAIN_CTRL, data->fan_main_ctrl);
-	}
-
-	/* Set current fan mode registers and the default settings for the
-	 * other mode registers */
-	for (i = 0; i < 3; i++) {
-		if (data->fan_main_ctrl & (1 << i)) {
-			/* pwm mode */
-			tmp = it87_read_value(client, IT87_REG_PWM(i));
-			if (tmp & 0x80) {
-				/* automatic pwm - not yet implemented, but
-				 * leave the settings made by the BIOS alone
-				 * until a change is requested via the sysfs
-				 * interface */
-			} else {
-				/* manual pwm */
-				data->manual_pwm_ctl[i] = PWM_FROM_REG(tmp);
-			}
-		}
- 	}
-
-	/* Start monitoring */
-	it87_write_value(client, IT87_REG_CONFIG,
-			 (it87_read_value(client, IT87_REG_CONFIG) & 0x36)
-			 | (update_vbat ? 0x41 : 0x01));
-}
-
-static struct it87_data *it87_update_device(struct device *dev)
-{
-	struct i2c_client *client = to_i2c_client(dev);
-	struct it87_data *data = i2c_get_clientdata(client);
-	int i;
-
-	down(&data->update_lock);
-
-	if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
-	    || !data->valid) {
-
-		if (update_vbat) {
-			/* Cleared after each update, so reenable.  Value
-		 	  returned by this read will be previous value */	
-			it87_write_value(client, IT87_REG_CONFIG,
-			   it87_read_value(client, IT87_REG_CONFIG) | 0x40);
-		}
-		for (i = 0; i <= 7; i++) {
-			data->in[i] =
-			    it87_read_value(client, IT87_REG_VIN(i));
-			data->in_min[i] =
-			    it87_read_value(client, IT87_REG_VIN_MIN(i));
-			data->in_max[i] =
-			    it87_read_value(client, IT87_REG_VIN_MAX(i));
-		}
-		data->in[8] =
-		    it87_read_value(client, IT87_REG_VIN(8));
-		/* Temperature sensor doesn't have limit registers, set
-		   to min and max value */
-		data->in_min[8] = 0;
-		data->in_max[8] = 255;
-
-		for (i = 0; i < 3; i++) {
-			data->fan[i] =
-			    it87_read_value(client, IT87_REG_FAN(i));
-			data->fan_min[i] =
-			    it87_read_value(client, IT87_REG_FAN_MIN(i));
-		}
-		for (i = 0; i < 3; i++) {
-			data->temp[i] =
-			    it87_read_value(client, IT87_REG_TEMP(i));
-			data->temp_high[i] =
-			    it87_read_value(client, IT87_REG_TEMP_HIGH(i));
-			data->temp_low[i] =
-			    it87_read_value(client, IT87_REG_TEMP_LOW(i));
-		}
-
-		i = it87_read_value(client, IT87_REG_FAN_DIV);
-		data->fan_div[0] = i & 0x07;
-		data->fan_div[1] = (i >> 3) & 0x07;
-		data->fan_div[2] = (i & 0x40) ? 3 : 1;
-
-		data->alarms =
-			it87_read_value(client, IT87_REG_ALARM1) |
-			(it87_read_value(client, IT87_REG_ALARM2) << 8) |
-			(it87_read_value(client, IT87_REG_ALARM3) << 16);
-		data->fan_main_ctrl = it87_read_value(client, IT87_REG_FAN_MAIN_CTRL);
-
-		data->sensor = it87_read_value(client, IT87_REG_TEMP_ENABLE);
-		/* The 8705 does not have VID capability */
-		if (data->type == it8712) {
-			data->vid = it87_read_value(client, IT87_REG_VID);
-			data->vid &= 0x1f;
-		}
-		data->last_updated = jiffies;
-		data->valid = 1;
-	}
-
-	up(&data->update_lock);
-
-	return data;
-}
-
-static int __init sm_it87_init(void)
-{
-	int addr;
-
-	if (!it87_find(&addr)) {
-		normal_isa[0] = addr;
-	}
-	return i2c_add_driver(&it87_driver);
-}
-
-static void __exit sm_it87_exit(void)
-{
-	i2c_del_driver(&it87_driver);
-}
-
-
-MODULE_AUTHOR("Chris Gauthron <chrisg@0-in.com>");
-MODULE_DESCRIPTION("IT8705F, IT8712F, Sis950 driver");
-module_param(update_vbat, bool, 0);
-MODULE_PARM_DESC(update_vbat, "Update vbat if set else return powerup value");
-module_param(fix_pwm_polarity, bool, 0);
-MODULE_PARM_DESC(fix_pwm_polarity, "Force PWM polarity to active high (DANGEROUS)");
-MODULE_LICENSE("GPL");
-
-module_init(sm_it87_init);
-module_exit(sm_it87_exit);