xref: /openbmc/linux/include/uapi/linux/joystick.h (revision 179909ec)
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 #ifndef _UAPI_LINUX_JOYSTICK_H
23 #define _UAPI_LINUX_JOYSTICK_H
24 
25 
26 
27 #include <linux/types.h>
28 #include <linux/input.h>
29 
30 /*
31  * Version
32  */
33 
34 #define JS_VERSION		0x020100
35 
36 /*
37  * Types and constants for reading from /dev/js
38  */
39 
40 #define JS_EVENT_BUTTON		0x01	/* button pressed/released */
41 #define JS_EVENT_AXIS		0x02	/* joystick moved */
42 #define JS_EVENT_INIT		0x80	/* initial state of device */
43 
44 struct js_event {
45 	__u32 time;	/* event timestamp in milliseconds */
46 	__s16 value;	/* value */
47 	__u8 type;	/* event type */
48 	__u8 number;	/* axis/button number */
49 };
50 
51 /*
52  * IOCTL commands for joystick driver
53  */
54 
55 #define JSIOCGVERSION		_IOR('j', 0x01, __u32)				/* get driver version */
56 
57 #define JSIOCGAXES		_IOR('j', 0x11, __u8)				/* get number of axes */
58 #define JSIOCGBUTTONS		_IOR('j', 0x12, __u8)				/* get number of buttons */
59 #define JSIOCGNAME(len)		_IOC(_IOC_READ, 'j', 0x13, len)			/* get identifier string */
60 
61 #define JSIOCSCORR		_IOW('j', 0x21, struct js_corr)			/* set correction values */
62 #define JSIOCGCORR		_IOR('j', 0x22, struct js_corr)			/* get correction values */
63 
64 #define JSIOCSAXMAP		_IOW('j', 0x31, __u8[ABS_CNT])			/* set axis mapping */
65 #define JSIOCGAXMAP		_IOR('j', 0x32, __u8[ABS_CNT])			/* get axis mapping */
66 #define JSIOCSBTNMAP		_IOW('j', 0x33, __u16[KEY_MAX - BTN_MISC + 1])	/* set button mapping */
67 #define JSIOCGBTNMAP		_IOR('j', 0x34, __u16[KEY_MAX - BTN_MISC + 1])	/* get button mapping */
68 
69 /*
70  * Types and constants for get/set correction
71  */
72 
73 #define JS_CORR_NONE		0x00	/* returns raw values */
74 #define JS_CORR_BROKEN		0x01	/* broken line */
75 
76 struct js_corr {
77 	__s32 coef[8];
78 	__s16 prec;
79 	__u16 type;
80 };
81 
82 /*
83  * v0.x compatibility definitions
84  */
85 
86 #define JS_RETURN		sizeof(struct JS_DATA_TYPE)
87 #define JS_TRUE			1
88 #define JS_FALSE		0
89 #define JS_X_0			0x01
90 #define JS_Y_0			0x02
91 #define JS_X_1			0x04
92 #define JS_Y_1			0x08
93 #define JS_MAX			2
94 
95 #define JS_DEF_TIMEOUT		0x1300
96 #define JS_DEF_CORR		0
97 #define JS_DEF_TIMELIMIT	10L
98 
99 #define JS_SET_CAL		1
100 #define JS_GET_CAL		2
101 #define JS_SET_TIMEOUT		3
102 #define JS_GET_TIMEOUT		4
103 #define JS_SET_TIMELIMIT	5
104 #define JS_GET_TIMELIMIT	6
105 #define JS_GET_ALL		7
106 #define JS_SET_ALL		8
107 
108 struct JS_DATA_TYPE {
109 	__s32 buttons;
110 	__s32 x;
111 	__s32 y;
112 };
113 
114 struct JS_DATA_SAVE_TYPE_32 {
115 	__s32 JS_TIMEOUT;
116 	__s32 BUSY;
117 	__s32 JS_EXPIRETIME;
118 	__s32 JS_TIMELIMIT;
119 	struct JS_DATA_TYPE JS_SAVE;
120 	struct JS_DATA_TYPE JS_CORR;
121 };
122 
123 struct JS_DATA_SAVE_TYPE_64 {
124 	__s32 JS_TIMEOUT;
125 	__s32 BUSY;
126 	__s64 JS_EXPIRETIME;
127 	__s64 JS_TIMELIMIT;
128 	struct JS_DATA_TYPE JS_SAVE;
129 	struct JS_DATA_TYPE JS_CORR;
130 };
131 
132 
133 #endif /* _UAPI_LINUX_JOYSTICK_H */
134