linux/include/uapi/linux/joystick.h
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   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
  44struct 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
  76struct 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
 108struct JS_DATA_TYPE {
 109        __s32 buttons;
 110        __s32 x;
 111        __s32 y;
 112};
 113
 114struct 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
 123struct 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