Misc: add sensable phantom driver

Add sensable phantom driver

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/phantom.h b/include/linux/phantom.h
new file mode 100644
index 0000000..d3ebbfa
--- /dev/null
+++ b/include/linux/phantom.h
@@ -0,0 +1,42 @@
+/*
+ *  Copyright (C) 2005-2007 Jiri Slaby <jirislaby@gmail.com>
+ *
+ *  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.
+ */
+
+#ifndef __PHANTOM_H
+#define __PHANTOM_H
+
+#include <asm/types.h>
+
+/* PHN_(G/S)ET_REG param */
+struct phm_reg {
+	__u32 reg;
+	__u32 value;
+};
+
+/* PHN_(G/S)ET_REGS param */
+struct phm_regs {
+	__u32 count;
+	__u32 mask;
+	__u32 values[8];
+};
+
+#define PH_IOC_MAGIC		'p'
+#define PHN_GET_REG		_IOWR(PH_IOC_MAGIC, 0, struct phm_reg *)
+#define PHN_SET_REG		_IOW (PH_IOC_MAGIC, 1, struct phm_reg *)
+#define PHN_GET_REGS		_IOWR(PH_IOC_MAGIC, 2, struct phm_regs *)
+#define PHN_SET_REGS		_IOW (PH_IOC_MAGIC, 3, struct phm_regs *)
+#define PH_IOC_MAXNR		3
+
+#define PHN_CONTROL		0x6     /* control byte in iaddr space */
+#define PHN_CTL_AMP		0x1     /*   switch after torques change */
+#define PHN_CTL_BUT		0x2     /*   is button switched */
+#define PHN_CTL_IRQ		0x10    /*   is irq enabled */
+
+#define PHN_ZERO_FORCE		2048	/* zero torque on motor */
+
+#endif