diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h
new file mode 100644
index 0000000..03a2de7
--- /dev/null
+++ b/drivers/w1/w1_family.h
@@ -0,0 +1,65 @@
+/*
+ * 	w1_family.h
+ *
+ * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
+ * 
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __W1_FAMILY_H
+#define __W1_FAMILY_H
+
+#include <linux/types.h>
+#include <linux/device.h>
+#include <asm/atomic.h>
+
+#define W1_FAMILY_DEFAULT	0
+#define W1_FAMILY_THERM		0x10
+#define W1_FAMILY_SMEM		0x01
+
+#define MAXNAMELEN		32
+
+struct w1_family_ops
+{
+	ssize_t (* rname)(struct device *, char *);
+	ssize_t (* rbin)(struct kobject *, char *, loff_t, size_t);
+	
+	ssize_t (* rval)(struct device *, char *);
+	unsigned char rvalname[MAXNAMELEN];
+};
+
+struct w1_family
+{
+	struct list_head	family_entry;
+	u8			fid;
+	
+	struct w1_family_ops	*fops;
+	
+	atomic_t		refcnt;
+	u8			need_exit;
+};
+
+extern spinlock_t w1_flock;
+
+void w1_family_get(struct w1_family *);
+void w1_family_put(struct w1_family *);
+void __w1_family_get(struct w1_family *);
+void __w1_family_put(struct w1_family *);
+struct w1_family * w1_family_registered(u8);
+void w1_unregister_family(struct w1_family *);
+int w1_register_family(struct w1_family *);
+
+#endif /* __W1_FAMILY_H */