1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2/*
3 * Copyright (C) 1996-2000 Vojtech Pavlik
4 *
5 * Sponsored by SuSE
6 */
7/*
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * Should you need to contact me, the author, you can do so either by
23 * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
24 * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
25 */
26#ifndef _LINUX_JOYSTICK_H
27#define _LINUX_JOYSTICK_H
28
29
30
31#include <linux/types.h>
32#include <linux/input.h>
33
34/*
35 * Version
36 */
37
38#define JS_VERSION 0x020100
39
40/*
41 * Types and constants for reading from /dev/js
42 */
43
44#define JS_EVENT_BUTTON 0x01 /* button pressed/released */
45#define JS_EVENT_AXIS 0x02 /* joystick moved */
46#define JS_EVENT_INIT 0x80 /* initial state of device */
47
48struct js_event {
49 __u32 time; /* event timestamp in milliseconds */
50 __s16 value; /* value */
51 __u8 type; /* event type */
52 __u8 number; /* axis/button number */
53};
54
55/*
56 * IOCTL commands for joystick driver
57 */
58
59#define JSIOCGVERSION _IOR('j', 0x01, __u32) /* get driver version */
60
61#define JSIOCGAXES _IOR('j', 0x11, __u8) /* get number of axes */
62#define JSIOCGBUTTONS _IOR('j', 0x12, __u8) /* get number of buttons */
63#define JSIOCGNAME(len) _IOC(_IOC_READ, 'j', 0x13, len) /* get identifier string */
64
65#define JSIOCSCORR _IOW('j', 0x21, struct js_corr) /* set correction values */
66#define JSIOCGCORR _IOR('j', 0x22, struct js_corr) /* get correction values */
67
68#define JSIOCSAXMAP _IOW('j', 0x31, __u8[ABS_CNT]) /* set axis mapping */
69#define JSIOCGAXMAP _IOR('j', 0x32, __u8[ABS_CNT]) /* get axis mapping */
70#define JSIOCSBTNMAP _IOW('j', 0x33, __u16[KEY_MAX - BTN_MISC + 1]) /* set button mapping */
71#define JSIOCGBTNMAP _IOR('j', 0x34, __u16[KEY_MAX - BTN_MISC + 1]) /* get button mapping */
72
73/*
74 * Types and constants for get/set correction
75 */
76
77#define JS_CORR_NONE 0x00 /* returns raw values */
78#define JS_CORR_BROKEN 0x01 /* broken line */
79
80struct js_corr {
81 __s32 coef[8];
82 __s16 prec;
83 __u16 type;
84};
85
86/*
87 * v0.x compatibility definitions
88 */
89
90#define JS_RETURN sizeof(struct JS_DATA_TYPE)
91#define JS_TRUE 1
92#define JS_FALSE 0
93#define JS_X_0 0x01
94#define JS_Y_0 0x02
95#define JS_X_1 0x04
96#define JS_Y_1 0x08
97#define JS_MAX 2
98
99#define JS_DEF_TIMEOUT 0x1300
100#define JS_DEF_CORR 0
101#define JS_DEF_TIMELIMIT 10L
102
103#define JS_SET_CAL 1
104#define JS_GET_CAL 2
105#define JS_SET_TIMEOUT 3
106#define JS_GET_TIMEOUT 4
107#define JS_SET_TIMELIMIT 5
108#define JS_GET_TIMELIMIT 6
109#define JS_GET_ALL 7
110#define JS_SET_ALL 8
111
112struct JS_DATA_TYPE {
113 __s32 buttons;
114 __s32 x;
115 __s32 y;
116};
117
118struct JS_DATA_SAVE_TYPE_32 {
119 __s32 JS_TIMEOUT;
120 __s32 BUSY;
121 __s32 JS_EXPIRETIME;
122 __s32 JS_TIMELIMIT;
123 struct JS_DATA_TYPE JS_SAVE;
124 struct JS_DATA_TYPE JS_CORR;
125};
126
127struct JS_DATA_SAVE_TYPE_64 {
128 __s32 JS_TIMEOUT;
129 __s32 BUSY;
130 __s64 JS_EXPIRETIME;
131 __s64 JS_TIMELIMIT;
132 struct JS_DATA_TYPE JS_SAVE;
133 struct JS_DATA_TYPE JS_CORR;
134};
135
136
137#endif /* _LINUX_JOYSTICK_H */
138