[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, 341 deletions

diff --git a/drivers/i2c/chips/ds1621.c b/drivers/i2c/chips/ds1621.c
deleted file mode 100644
index 5360d58..0000000
--- a/drivers/i2c/chips/ds1621.c
+++ /dev/null
@@ -1,341 +0,0 @@
-/*
-    ds1621.c - Part of lm_sensors, Linux kernel modules for hardware
-             monitoring
-    Christian W. Zuckschwerdt  <zany@triq.net>  2000-11-23
-    based on lm75.c by Frodo Looijaard <frodol@dds.nl>
-    Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with 
-    the help of Jean Delvare <khali@linux-fr.org>
-
-    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/i2c.h>
-#include <linux/i2c-sensor.h>
-#include "lm75.h"
-
-/* Addresses to scan */
-static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c,
-					0x4d, 0x4e, 0x4f, I2C_CLIENT_END };
-static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
-
-/* Insmod parameters */
-SENSORS_INSMOD_1(ds1621);
-static int polarity = -1;
-module_param(polarity, int, 0);
-MODULE_PARM_DESC(polarity, "Output's polarity: 0 = active high, 1 = active low");
-
-/* Many DS1621 constants specified below */
-/* Config register used for detection         */
-/*  7    6    5    4    3    2    1    0      */
-/* |Done|THF |TLF |NVB | X  | X  |POL |1SHOT| */
-#define DS1621_REG_CONFIG_NVB		0x10
-#define DS1621_REG_CONFIG_POLARITY	0x02
-#define DS1621_REG_CONFIG_1SHOT		0x01
-#define DS1621_REG_CONFIG_DONE		0x80
-
-/* The DS1621 registers */
-#define DS1621_REG_TEMP			0xAA /* word, RO */
-#define DS1621_REG_TEMP_MIN		0xA1 /* word, RW */
-#define DS1621_REG_TEMP_MAX		0xA2 /* word, RW */
-#define DS1621_REG_CONF			0xAC /* byte, RW */
-#define DS1621_COM_START		0xEE /* no data */
-#define DS1621_COM_STOP			0x22 /* no data */
-
-/* The DS1621 configuration register */
-#define DS1621_ALARM_TEMP_HIGH		0x40
-#define DS1621_ALARM_TEMP_LOW		0x20
-
-/* Conversions. Rounding and limit checking is only done on the TO_REG
-   variants. Note that you should be a bit careful with which arguments
-   these macros are called: arguments may be evaluated more than once.
-   Fixing this is just not worth it. */
-#define ALARMS_FROM_REG(val) ((val) & \
-                              (DS1621_ALARM_TEMP_HIGH | DS1621_ALARM_TEMP_LOW))
-
-/* Each client has this additional data */
-struct ds1621_data {
-	struct i2c_client client;
-	struct semaphore update_lock;
-	char valid;			/* !=0 if following fields are valid */
-	unsigned long last_updated;	/* In jiffies */
-
-	u16 temp, temp_min, temp_max;	/* Register values, word */
-	u8 conf;			/* Register encoding, combined */
-};
-
-static int ds1621_attach_adapter(struct i2c_adapter *adapter);
-static int ds1621_detect(struct i2c_adapter *adapter, int address,
-			 int kind);
-static void ds1621_init_client(struct i2c_client *client);
-static int ds1621_detach_client(struct i2c_client *client);
-static struct ds1621_data *ds1621_update_client(struct device *dev);
-
-/* This is the driver that will be inserted */
-static struct i2c_driver ds1621_driver = {
-	.owner		= THIS_MODULE,
-	.name		= "ds1621",
-	.id		= I2C_DRIVERID_DS1621,
-	.flags		= I2C_DF_NOTIFY,
-	.attach_adapter	= ds1621_attach_adapter,
-	.detach_client	= ds1621_detach_client,
-};
-
-/* All registers are word-sized, except for the configuration register.
-   DS1621 uses a high-byte first convention, which is exactly opposite to
-   the usual practice. */
-static int ds1621_read_value(struct i2c_client *client, u8 reg)
-{
-	if (reg == DS1621_REG_CONF)
-		return i2c_smbus_read_byte_data(client, reg);
-	else
-		return swab16(i2c_smbus_read_word_data(client, reg));
-}
-
-/* All registers are word-sized, except for the configuration register.
-   DS1621 uses a high-byte first convention, which is exactly opposite to
-   the usual practice. */
-static int ds1621_write_value(struct i2c_client *client, u8 reg, u16 value)
-{
-	if (reg == DS1621_REG_CONF)
-		return i2c_smbus_write_byte_data(client, reg, value);
-	else
-		return i2c_smbus_write_word_data(client, reg, swab16(value));
-}
-
-static void ds1621_init_client(struct i2c_client *client)
-{
-	int reg = ds1621_read_value(client, DS1621_REG_CONF);
-	/* switch to continuous conversion mode */
-	reg &= ~ DS1621_REG_CONFIG_1SHOT;
-
-	/* setup output polarity */
-	if (polarity == 0)
-		reg &= ~DS1621_REG_CONFIG_POLARITY;
-	else if (polarity == 1)
-		reg |= DS1621_REG_CONFIG_POLARITY;
-	
-	ds1621_write_value(client, DS1621_REG_CONF, reg);
-	
-	/* start conversion */
-	i2c_smbus_write_byte(client, DS1621_COM_START);
-}
-
-#define show(value)							\
-static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf)		\
-{									\
-	struct ds1621_data *data = ds1621_update_client(dev);		\
-	return sprintf(buf, "%d\n", LM75_TEMP_FROM_REG(data->value));	\
-}
-
-show(temp);
-show(temp_min);
-show(temp_max);
-
-#define set_temp(suffix, value, reg)					\
-static ssize_t set_temp_##suffix(struct device *dev, struct device_attribute *attr, const char *buf,	\
-				 size_t count)				\
-{									\
-	struct i2c_client *client = to_i2c_client(dev);			\
-	struct ds1621_data *data = ds1621_update_client(dev);		\
-	u16 val = LM75_TEMP_TO_REG(simple_strtoul(buf, NULL, 10));	\
-									\
-	down(&data->update_lock);					\
-	data->value = val;						\
-	ds1621_write_value(client, reg, data->value);			\
-	up(&data->update_lock);						\
-	return count;							\
-}
-
-set_temp(min, temp_min, DS1621_REG_TEMP_MIN);
-set_temp(max, temp_max, DS1621_REG_TEMP_MAX);
-
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	struct ds1621_data *data = ds1621_update_client(dev);
-	return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->conf));
-}
-
-static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
-static DEVICE_ATTR(temp1_input, S_IRUGO , show_temp, NULL);
-static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO , show_temp_min, set_temp_min);
-static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, set_temp_max);
-
-
-static int ds1621_attach_adapter(struct i2c_adapter *adapter)
-{
-	return i2c_detect(adapter, &addr_data, ds1621_detect);
-}
-
-/* This function is called by i2c_detect */
-int ds1621_detect(struct i2c_adapter *adapter, int address,
-                  int kind)
-{
-	int conf, temp;
-	struct i2c_client *new_client;
-	struct ds1621_data *data;
-	int err = 0;
-
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA 
-				     | I2C_FUNC_SMBUS_WORD_DATA 
-				     | I2C_FUNC_SMBUS_WRITE_BYTE))
-		goto exit;
-
-	/* 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 ds1621_{read,write}_value. */
-	if (!(data = kmalloc(sizeof(struct ds1621_data), GFP_KERNEL))) {
-		err = -ENOMEM;
-		goto exit;
-	}
-	memset(data, 0, sizeof(struct ds1621_data));
-	
-	new_client = &data->client;
-	i2c_set_clientdata(new_client, data);
-	new_client->addr = address;
-	new_client->adapter = adapter;
-	new_client->driver = &ds1621_driver;
-	new_client->flags = 0;
-
-
-	/* Now, we do the remaining detection. It is lousy. */
-	if (kind < 0) {
-		/* The NVB bit should be low if no EEPROM write has been 
-		   requested during the latest 10ms, which is highly 
-		   improbable in our case. */
-		conf = ds1621_read_value(new_client, DS1621_REG_CONF);
-		if (conf & DS1621_REG_CONFIG_NVB)
-			goto exit_free;
-		/* The 7 lowest bits of a temperature should always be 0. */
-		temp = ds1621_read_value(new_client, DS1621_REG_TEMP);
-		if (temp & 0x007f)
-			goto exit_free;
-		temp = ds1621_read_value(new_client, DS1621_REG_TEMP_MIN);
-		if (temp & 0x007f)
-			goto exit_free;
-		temp = ds1621_read_value(new_client, DS1621_REG_TEMP_MAX);
-		if (temp & 0x007f)
-			goto exit_free;
-	}
-
-	/* Determine the chip type - only one kind supported! */
-	if (kind <= 0)
-		kind = ds1621;
-
-	/* Fill in remaining client fields and put it into the global list */
-	strlcpy(new_client->name, "ds1621", I2C_NAME_SIZE);
-	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 exit_free;
-
-	/* Initialize the DS1621 chip */
-	ds1621_init_client(new_client);
-
-	/* Register sysfs hooks */
-	device_create_file(&new_client->dev, &dev_attr_alarms);
-	device_create_file(&new_client->dev, &dev_attr_temp1_input);
-	device_create_file(&new_client->dev, &dev_attr_temp1_min);
-	device_create_file(&new_client->dev, &dev_attr_temp1_max);
-	
-	return 0;
-
-/* OK, this is not exactly good programming practice, usually. But it is
-   very code-efficient in this case. */
-      exit_free:
-	kfree(data);
-      exit:
-	return err;
-}
-
-static int ds1621_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;
-	}
-
-	kfree(i2c_get_clientdata(client));
-
-	return 0;
-}
-
-
-static struct ds1621_data *ds1621_update_client(struct device *dev)
-{
-	struct i2c_client *client = to_i2c_client(dev);
-	struct ds1621_data *data = i2c_get_clientdata(client);
-	u8 new_conf;
-
-	down(&data->update_lock);
-
-	if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
-	    || !data->valid) {
-
-		dev_dbg(&client->dev, "Starting ds1621 update\n");
-
-		data->conf = ds1621_read_value(client, DS1621_REG_CONF);
-
-		data->temp = ds1621_read_value(client, DS1621_REG_TEMP);
-		
-		data->temp_min = ds1621_read_value(client,
-		                                    DS1621_REG_TEMP_MIN);
-		data->temp_max = ds1621_read_value(client,
-						    DS1621_REG_TEMP_MAX);
-
-		/* reset alarms if necessary */
-		new_conf = data->conf;
-		if (data->temp < data->temp_min)
-			new_conf &= ~DS1621_ALARM_TEMP_LOW;
-		if (data->temp > data->temp_max)
-			new_conf &= ~DS1621_ALARM_TEMP_HIGH;
-		if (data->conf != new_conf)
-			ds1621_write_value(client, DS1621_REG_CONF,
-					   new_conf);
-
-		data->last_updated = jiffies;
-		data->valid = 1;
-	}
-
-	up(&data->update_lock);
-
-	return data;
-}
-
-static int __init ds1621_init(void)
-{
-	return i2c_add_driver(&ds1621_driver);
-}
-
-static void __exit ds1621_exit(void)
-{
-	i2c_del_driver(&ds1621_driver);
-}
-
-
-MODULE_AUTHOR("Christian W. Zuckschwerdt <zany@triq.net>");
-MODULE_DESCRIPTION("DS1621 driver");
-MODULE_LICENSE("GPL");
-
-module_init(ds1621_init);
-module_exit(ds1621_exit);