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