1 /*
2  *  Copyright (C) 2005-2007 Jiri Slaby <jirislaby@gmail.com>
3  *
4  *  This program is free software; you can redistribute it and/or modify
5  *  it under the terms of the GNU General Public License as published by
6  *  the Free Software Foundation; either version 2 of the License, or
7  *  (at your option) any later version.
8  */
9 
10 #ifndef __PHANTOM_H
11 #define __PHANTOM_H
12 
13 #include <linux/types.h>
14 
15 /* PHN_(G/S)ET_REG param */
16 struct phm_reg {
17 	__u32 reg;
18 	__u32 value;
19 };
20 
21 /* PHN_(G/S)ET_REGS param */
22 struct phm_regs {
23 	__u32 count;
24 	__u32 mask;
25 	__u32 values[8];
26 };
27 
28 #define PH_IOC_MAGIC		'p'
29 #define PHN_GET_REG		_IOWR(PH_IOC_MAGIC, 0, struct phm_reg *)
30 #define PHN_SET_REG		_IOW(PH_IOC_MAGIC, 1, struct phm_reg *)
31 #define PHN_GET_REGS		_IOWR(PH_IOC_MAGIC, 2, struct phm_regs *)
32 #define PHN_SET_REGS		_IOW(PH_IOC_MAGIC, 3, struct phm_regs *)
33 /* this ioctl tells the driver, that the caller is not OpenHaptics and might
34  * use improved registers update (no more phantom switchoffs when using
35  * libphantom) */
36 #define PHN_NOT_OH		_IO(PH_IOC_MAGIC, 4)
37 #define PHN_GETREG		_IOWR(PH_IOC_MAGIC, 5, struct phm_reg)
38 #define PHN_SETREG		_IOW(PH_IOC_MAGIC, 6, struct phm_reg)
39 #define PHN_GETREGS		_IOWR(PH_IOC_MAGIC, 7, struct phm_regs)
40 #define PHN_SETREGS		_IOW(PH_IOC_MAGIC, 8, struct phm_regs)
41 
42 #define PHN_CONTROL		0x6     /* control byte in iaddr space */
43 #define PHN_CTL_AMP		0x1     /*   switch after torques change */
44 #define PHN_CTL_BUT		0x2     /*   is button switched */
45 #define PHN_CTL_IRQ		0x10    /*   is irq enabled */
46 
47 #define PHN_ZERO_FORCE		2048	/* zero torque on motor */
48 
49 #endif
50