include/linux/joystick.h

   1 #ifndef _LINUX_JOYSTICK_H
   2 #define _LINUX_JOYSTICK_H
   3
   4 /*
   5  *  Copyright (C) 1996-2000 Vojtech Pavlik
   6  *
   7  *  Sponsored by SuSE
   8  */
   9
  10 /*
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  24  *
  25  * Should you need to contact me, the author, you can do so either by
  26  * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
  27  * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
  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 #ifdef __KERNEL__
 136 #if BITS_PER_LONG == 64
 137 #define JS_DATA_SAVE_TYPE JS_DATA_SAVE_TYPE_64
 138 #elif BITS_PER_LONG == 32
 139 #define JS_DATA_SAVE_TYPE JS_DATA_SAVE_TYPE_32
 140 #else
 141 #error Unexpected BITS_PER_LONG
 142 #endif
 143 #endif
 144
 145 #endif /* _LINUX_JOYSTICK_H */