xref: /openbmc/linux/include/uapi/linux/phantom.h (revision e2be04c7)
1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 /*
3  *  Copyright (C) 2005-2007 Jiri Slaby <jirislaby@gmail.com>
4  *
5  *  This program is free software; you can redistribute it and/or modify
6  *  it under the terms of the GNU General Public License as published by
7  *  the Free Software Foundation; either version 2 of the License, or
8  *  (at your option) any later version.
9  */
10 
11 #ifndef __PHANTOM_H
12 #define __PHANTOM_H
13 
14 #include <linux/types.h>
15 
16 /* PHN_(G/S)ET_REG param */
17 struct phm_reg {
18 	__u32 reg;
19 	__u32 value;
20 };
21 
22 /* PHN_(G/S)ET_REGS param */
23 struct phm_regs {
24 	__u32 count;
25 	__u32 mask;
26 	__u32 values[8];
27 };
28 
29 #define PH_IOC_MAGIC		'p'
30 #define PHN_GET_REG		_IOWR(PH_IOC_MAGIC, 0, struct phm_reg *)
31 #define PHN_SET_REG		_IOW(PH_IOC_MAGIC, 1, struct phm_reg *)
32 #define PHN_GET_REGS		_IOWR(PH_IOC_MAGIC, 2, struct phm_regs *)
33 #define PHN_SET_REGS		_IOW(PH_IOC_MAGIC, 3, struct phm_regs *)
34 /* this ioctl tells the driver, that the caller is not OpenHaptics and might
35  * use improved registers update (no more phantom switchoffs when using
36  * libphantom) */
37 #define PHN_NOT_OH		_IO(PH_IOC_MAGIC, 4)
38 #define PHN_GETREG		_IOWR(PH_IOC_MAGIC, 5, struct phm_reg)
39 #define PHN_SETREG		_IOW(PH_IOC_MAGIC, 6, struct phm_reg)
40 #define PHN_GETREGS		_IOWR(PH_IOC_MAGIC, 7, struct phm_regs)
41 #define PHN_SETREGS		_IOW(PH_IOC_MAGIC, 8, struct phm_regs)
42 
43 #define PHN_CONTROL		0x6     /* control byte in iaddr space */
44 #define PHN_CTL_AMP		0x1     /*   switch after torques change */
45 #define PHN_CTL_BUT		0x2     /*   is button switched */
46 #define PHN_CTL_IRQ		0x10    /*   is irq enabled */
47 
48 #define PHN_ZERO_FORCE		2048	/* zero torque on motor */
49 
50 #endif
51