include/linux/joystick.h

   1 #ifndef _LINUX_JOYSTICK_H
   2 #define _LINUX_JOYSTICK_H
   3
   4 /*
   5  * $Id: joystick.h,v 1.3 2000/11/30 11:07:05 vojtech Exp $
   6  *
   7  *  Copyright (C) 1996-2000 Vojtech Pavlik
   8  *
   9  *  Sponsored by SuSE
  10  */
  11
  12 /*
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License
  24  * along with this program; if not, write to the Free Software
  25  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  26  *
  27  * Should you need to contact me, the author, you can do so either by
  28  * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
  29  * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
  30  */
  31
  32 #include <asm/types.h>
  33 #include <linux/input.h>
  34
  35 /*
  36  * Version
  37  */
  38
  39 #define JS_VERSION              0x020100
  40
  41 /*
  42  * Types and constants for reading from /dev/js
  43  */
  44
  45 #define JS_EVENT_BUTTON         0x01    /* button pressed/released */
  46 #define JS_EVENT_AXIS           0x02    /* joystick moved */
  47 #define JS_EVENT_INIT           0x80    /* initial state of device */
  48
  49 struct js_event {
  50         __u32 time;     /* event timestamp in milliseconds */
  51         __s16 value;    /* value */
  52         __u8 type;      /* event type */
  53         __u8 number;    /* axis/button number */
  54 };
  55
  56 /*
  57  * IOCTL commands for joystick driver
  58  */
  59
  60 #define JSIOCGVERSION           _IOR('j', 0x01, __u32)                          /* get driver version */
  61
  62 #define JSIOCGAXES              _IOR('j', 0x11, __u8)                           /* get number of axes */
  63 #define JSIOCGBUTTONS           _IOR('j', 0x12, __u8)                           /* get number of buttons */
  64 #define JSIOCGNAME(len)         _IOC(_IOC_READ, 'j', 0x13, len)                 /* get identifier string */
  65
  66 #define JSIOCSCORR              _IOW('j', 0x21, struct js_corr)                 /* set correction values */
  67 #define JSIOCGCORR              _IOR('j', 0x22, struct js_corr)                 /* get correction values */
  68
  69 #define JSIOCSAXMAP             _IOW('j', 0x31, __u8[ABS_MAX + 1])              /* set axis mapping */
  70 #define JSIOCGAXMAP             _IOR('j', 0x32, __u8[ABS_MAX + 1])              /* get axis mapping */
  71 #define JSIOCSBTNMAP            _IOW('j', 0x33, __u16[KEY_MAX - BTN_MISC + 1])  /* set button mapping */
  72 #define JSIOCGBTNMAP            _IOR('j', 0x34, __u16[KEY_MAX - BTN_MISC + 1])  /* get button mapping */
  73
  74 /*
  75  * Types and constants for get/set correction
  76  */
  77
  78 #define JS_CORR_NONE            0x00    /* returns raw values */
  79 #define JS_CORR_BROKEN          0x01    /* broken line */
  80
  81 struct js_corr {
  82         __s32 coef[8];
  83         __s16 prec;
  84         __u16 type;
  85 };
  86
  87 /*
  88  * v0.x compatibility definitions
  89  */
  90
  91 #define JS_RETURN               sizeof(struct JS_DATA_TYPE)
  92 #define JS_TRUE                 1
  93 #define JS_FALSE                0
  94 #define JS_X_0                  0x01
  95 #define JS_Y_0                  0x02
  96 #define JS_X_1                  0x04
  97 #define JS_Y_1                  0x08
  98 #define JS_MAX                  2
  99
 100 #define JS_DEF_TIMEOUT          0x1300
 101 #define JS_DEF_CORR             0
 102 #define JS_DEF_TIMELIMIT        10L
 103
 104 #define JS_SET_CAL              1
 105 #define JS_GET_CAL              2
 106 #define JS_SET_TIMEOUT          3
 107 #define JS_GET_TIMEOUT          4
 108 #define JS_SET_TIMELIMIT        5
 109 #define JS_GET_TIMELIMIT        6
 110 #define JS_GET_ALL              7
 111 #define JS_SET_ALL              8
 112
 113 struct JS_DATA_TYPE {
 114         int32_t buttons;
 115         int32_t x;
 116         int32_t y;
 117 };
 118
 119 struct JS_DATA_SAVE_TYPE_32 {
 120         int32_t JS_TIMEOUT;
 121         int32_t BUSY;
 122         int32_t JS_EXPIRETIME;
 123         int32_t JS_TIMELIMIT;
 124         struct JS_DATA_TYPE JS_SAVE;
 125         struct JS_DATA_TYPE JS_CORR;
 126 };
 127
 128 struct JS_DATA_SAVE_TYPE_64 {
 129         int32_t JS_TIMEOUT;
 130         int32_t BUSY;
 131         int64_t JS_EXPIRETIME;
 132         int64_t JS_TIMELIMIT;
 133         struct JS_DATA_TYPE JS_SAVE;
 134         struct JS_DATA_TYPE JS_CORR;
 135 };
 136
 137 #ifdef __KERNEL__
 138 #if BITS_PER_LONG == 64
 139 #define JS_DATA_SAVE_TYPE JS_DATA_SAVE_TYPE_64
 140 #elif BITS_PER_LONG == 32
 141 #define JS_DATA_SAVE_TYPE JS_DATA_SAVE_TYPE_32
 142 #else
 143 #error Unexpected BITS_PER_LONG
 144 #endif
 145 #endif
 146
 147 #endif /* _LINUX_JOYSTICK_H */