diff --git a/include/linux/i2c-sensor.h b/include/linux/i2c-sensor.h
new file mode 100644
index 0000000..21b6252
--- /dev/null
+++ b/include/linux/i2c-sensor.h
@@ -0,0 +1,263 @@
+/*
+    i2c-sensor.h - Part of the i2c package
+    was originally sensors.h - Part of lm_sensors, Linux kernel modules
+                               for hardware monitoring
+    Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl>
+
+    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.
+*/
+
+#ifndef _LINUX_I2C_SENSOR_H
+#define _LINUX_I2C_SENSOR_H
+
+/* A structure containing detect information.
+   Force variables overrule all other variables; they force a detection on
+   that place. If a specific chip is given, the module blindly assumes this
+   chip type is present; if a general force (kind == 0) is given, the module
+   will still try to figure out what type of chip is present. This is useful
+   if for some reasons the detect for SMBus or ISA address space filled
+   fails.
+   probe: insmod parameter. Initialize this list with I2C_CLIENT_ISA_END values.
+     A list of pairs. The first value is a bus number (ANY_I2C_ISA_BUS for
+     the ISA bus, -1 for any I2C bus), the second is the address. 
+   kind: The kind of chip. 0 equals any chip.
+*/
+struct i2c_force_data {
+	unsigned short *force;
+	unsigned short kind;
+};
+
+/* A structure containing the detect information.
+   normal_i2c: filled in by the module writer. Terminated by I2C_CLIENT_ISA_END.
+     A list of I2C addresses which should normally be examined.
+   normal_isa: filled in by the module writer. Terminated by SENSORS_ISA_END.
+     A list of ISA addresses which should normally be examined.
+   probe: insmod parameter. Initialize this list with I2C_CLIENT_ISA_END values.
+     A list of pairs. The first value is a bus number (ANY_I2C_ISA_BUS for
+     the ISA bus, -1 for any I2C bus), the second is the address. These
+     addresses are also probed, as if they were in the 'normal' list.
+   ignore: insmod parameter. Initialize this list with I2C_CLIENT_ISA_END values.
+     A list of pairs. The first value is a bus number (ANY_I2C_ISA_BUS for
+     the ISA bus, -1 for any I2C bus), the second is the I2C address. These
+     addresses are never probed. This parameter overrules 'normal' and 
+     'probe', but not the 'force' lists.
+   force_data: insmod parameters. A list, ending with an element of which
+     the force field is NULL.
+*/
+struct i2c_address_data {
+	unsigned short *normal_i2c;
+	unsigned int *normal_isa;
+	unsigned short *probe;
+	unsigned short *ignore;
+	struct i2c_force_data *forces;
+};
+
+#define SENSORS_MODULE_PARM_FORCE(name) \
+  I2C_CLIENT_MODULE_PARM(force_ ## name, \
+                      "List of adapter,address pairs which are unquestionably" \
+                      " assumed to contain a `" # name "' chip")
+
+
+/* This defines several insmod variables, and the addr_data structure */
+#define SENSORS_INSMOD \
+  I2C_CLIENT_MODULE_PARM(probe, \
+                      "List of adapter,address pairs to scan additionally"); \
+  I2C_CLIENT_MODULE_PARM(ignore, \
+                      "List of adapter,address pairs not to scan"); \
+	static struct i2c_address_data addr_data = {			\
+			.normal_i2c =		normal_i2c,		\
+			.normal_isa =		normal_isa,		\
+			.probe =		probe,			\
+			.ignore =		ignore,			\
+			.forces =		forces,			\
+		}
+
+/* The following functions create an enum with the chip names as elements. 
+   The first element of the enum is any_chip. These are the only macros
+   a module will want to use. */
+
+#define SENSORS_INSMOD_0 \
+  enum chips { any_chip }; \
+  I2C_CLIENT_MODULE_PARM(force, \
+                      "List of adapter,address pairs to boldly assume " \
+                      "to be present"); \
+  static struct i2c_force_data forces[] = {{force,any_chip},{NULL}}; \
+  SENSORS_INSMOD
+
+#define SENSORS_INSMOD_1(chip1) \
+  enum chips { any_chip, chip1 }; \
+  I2C_CLIENT_MODULE_PARM(force, \
+                      "List of adapter,address pairs to boldly assume " \
+                      "to be present"); \
+  SENSORS_MODULE_PARM_FORCE(chip1); \
+  static struct i2c_force_data forces[] = {{force,any_chip},\
+                                                 {force_ ## chip1,chip1}, \
+                                                 {NULL}}; \
+  SENSORS_INSMOD
+
+#define SENSORS_INSMOD_2(chip1,chip2) \
+  enum chips { any_chip, chip1, chip2 }; \
+  I2C_CLIENT_MODULE_PARM(force, \
+                      "List of adapter,address pairs to boldly assume " \
+                      "to be present"); \
+  SENSORS_MODULE_PARM_FORCE(chip1); \
+  SENSORS_MODULE_PARM_FORCE(chip2); \
+  static struct i2c_force_data forces[] = {{force,any_chip}, \
+                                                 {force_ ## chip1,chip1}, \
+                                                 {force_ ## chip2,chip2}, \
+                                                 {NULL}}; \
+  SENSORS_INSMOD
+
+#define SENSORS_INSMOD_3(chip1,chip2,chip3) \
+  enum chips { any_chip, chip1, chip2, chip3 }; \
+  I2C_CLIENT_MODULE_PARM(force, \
+                      "List of adapter,address pairs to boldly assume " \
+                      "to be present"); \
+  SENSORS_MODULE_PARM_FORCE(chip1); \
+  SENSORS_MODULE_PARM_FORCE(chip2); \
+  SENSORS_MODULE_PARM_FORCE(chip3); \
+  static struct i2c_force_data forces[] = {{force,any_chip}, \
+                                                 {force_ ## chip1,chip1}, \
+                                                 {force_ ## chip2,chip2}, \
+                                                 {force_ ## chip3,chip3}, \
+                                                 {NULL}}; \
+  SENSORS_INSMOD
+
+#define SENSORS_INSMOD_4(chip1,chip2,chip3,chip4) \
+  enum chips { any_chip, chip1, chip2, chip3, chip4 }; \
+  I2C_CLIENT_MODULE_PARM(force, \
+                      "List of adapter,address pairs to boldly assume " \
+                      "to be present"); \
+  SENSORS_MODULE_PARM_FORCE(chip1); \
+  SENSORS_MODULE_PARM_FORCE(chip2); \
+  SENSORS_MODULE_PARM_FORCE(chip3); \
+  SENSORS_MODULE_PARM_FORCE(chip4); \
+  static struct i2c_force_data forces[] = {{force,any_chip}, \
+                                                 {force_ ## chip1,chip1}, \
+                                                 {force_ ## chip2,chip2}, \
+                                                 {force_ ## chip3,chip3}, \
+                                                 {force_ ## chip4,chip4}, \
+                                                 {NULL}}; \
+  SENSORS_INSMOD
+
+#define SENSORS_INSMOD_5(chip1,chip2,chip3,chip4,chip5) \
+  enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \
+  I2C_CLIENT_MODULE_PARM(force, \
+                      "List of adapter,address pairs to boldly assume " \
+                      "to be present"); \
+  SENSORS_MODULE_PARM_FORCE(chip1); \
+  SENSORS_MODULE_PARM_FORCE(chip2); \
+  SENSORS_MODULE_PARM_FORCE(chip3); \
+  SENSORS_MODULE_PARM_FORCE(chip4); \
+  SENSORS_MODULE_PARM_FORCE(chip5); \
+  static struct i2c_force_data forces[] = {{force,any_chip}, \
+                                                 {force_ ## chip1,chip1}, \
+                                                 {force_ ## chip2,chip2}, \
+                                                 {force_ ## chip3,chip3}, \
+                                                 {force_ ## chip4,chip4}, \
+                                                 {force_ ## chip5,chip5}, \
+                                                 {NULL}}; \
+  SENSORS_INSMOD
+
+#define SENSORS_INSMOD_6(chip1,chip2,chip3,chip4,chip5,chip6) \
+  enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6 }; \
+  I2C_CLIENT_MODULE_PARM(force, \
+                      "List of adapter,address pairs to boldly assume " \
+                      "to be present"); \
+  SENSORS_MODULE_PARM_FORCE(chip1); \
+  SENSORS_MODULE_PARM_FORCE(chip2); \
+  SENSORS_MODULE_PARM_FORCE(chip3); \
+  SENSORS_MODULE_PARM_FORCE(chip4); \
+  SENSORS_MODULE_PARM_FORCE(chip5); \
+  SENSORS_MODULE_PARM_FORCE(chip6); \
+  static struct i2c_force_data forces[] = {{force,any_chip}, \
+                                                 {force_ ## chip1,chip1}, \
+                                                 {force_ ## chip2,chip2}, \
+                                                 {force_ ## chip3,chip3}, \
+                                                 {force_ ## chip4,chip4}, \
+                                                 {force_ ## chip5,chip5}, \
+                                                 {force_ ## chip6,chip6}, \
+                                                 {NULL}}; \
+  SENSORS_INSMOD
+
+#define SENSORS_INSMOD_7(chip1,chip2,chip3,chip4,chip5,chip6,chip7) \
+  enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, chip7 }; \
+  I2C_CLIENT_MODULE_PARM(force, \
+                      "List of adapter,address pairs to boldly assume " \
+                      "to be present"); \
+  SENSORS_MODULE_PARM_FORCE(chip1); \
+  SENSORS_MODULE_PARM_FORCE(chip2); \
+  SENSORS_MODULE_PARM_FORCE(chip3); \
+  SENSORS_MODULE_PARM_FORCE(chip4); \
+  SENSORS_MODULE_PARM_FORCE(chip5); \
+  SENSORS_MODULE_PARM_FORCE(chip6); \
+  SENSORS_MODULE_PARM_FORCE(chip7); \
+  static struct i2c_force_data forces[] = {{force,any_chip}, \
+                                                 {force_ ## chip1,chip1}, \
+                                                 {force_ ## chip2,chip2}, \
+                                                 {force_ ## chip3,chip3}, \
+                                                 {force_ ## chip4,chip4}, \
+                                                 {force_ ## chip5,chip5}, \
+                                                 {force_ ## chip6,chip6}, \
+                                                 {force_ ## chip7,chip7}, \
+                                                 {NULL}}; \
+  SENSORS_INSMOD
+
+#define SENSORS_INSMOD_8(chip1,chip2,chip3,chip4,chip5,chip6,chip7,chip8) \
+  enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, chip7, chip8 }; \
+  I2C_CLIENT_MODULE_PARM(force, \
+                      "List of adapter,address pairs to boldly assume " \
+                      "to be present"); \
+  SENSORS_MODULE_PARM_FORCE(chip1); \
+  SENSORS_MODULE_PARM_FORCE(chip2); \
+  SENSORS_MODULE_PARM_FORCE(chip3); \
+  SENSORS_MODULE_PARM_FORCE(chip4); \
+  SENSORS_MODULE_PARM_FORCE(chip5); \
+  SENSORS_MODULE_PARM_FORCE(chip6); \
+  SENSORS_MODULE_PARM_FORCE(chip7); \
+  SENSORS_MODULE_PARM_FORCE(chip8); \
+  static struct i2c_force_data forces[] = {{force,any_chip}, \
+                                                 {force_ ## chip1,chip1}, \
+                                                 {force_ ## chip2,chip2}, \
+                                                 {force_ ## chip3,chip3}, \
+                                                 {force_ ## chip4,chip4}, \
+                                                 {force_ ## chip5,chip5}, \
+                                                 {force_ ## chip6,chip6}, \
+                                                 {force_ ## chip7,chip7}, \
+                                                 {force_ ## chip8,chip8}, \
+                                                 {NULL}}; \
+  SENSORS_INSMOD
+
+/* Detect function. It iterates over all possible addresses itself. For
+   SMBus addresses, it will only call found_proc if some client is connected
+   to the SMBus (unless a 'force' matched); for ISA detections, this is not
+   done. */
+extern int i2c_detect(struct i2c_adapter *adapter,
+		      struct i2c_address_data *address_data,
+		      int (*found_proc) (struct i2c_adapter *, int, int));
+
+
+/* This macro is used to scale user-input to sensible values in almost all
+   chip drivers. */
+static inline int SENSORS_LIMIT(long value, long low, long high)
+{
+	if (value < low)
+		return low;
+	else if (value > high)
+		return high;
+	else
+		return value;
+}
+#endif				/* def _LINUX_I2C_SENSOR_H */