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joystick.h

#ifndef _LINUX_JOYSTICK_H
#define _LINUX_JOYSTICK_H

/*
 * $Id: joystick.h,v 1.4 2001/04/24 07:06:43 vojtech Exp $
 *
 *  Copyright (C) 1996-2000 Vojtech Pavlik
 *
 *  Sponsored by SuSE
 */

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or 
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 * 
 * Should you need to contact me, the author, you can do so either by
 * e-mail - mail your message to <vojtech@suse.cz>, or by paper mail:
 * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
 */

#include <asm/types.h>
#include <linux/input.h>

/*
 * Version
 */

#define JS_VERSION            0x020100

/*
 * Types and constants for reading from /dev/js
 */

#define JS_EVENT_BUTTON       0x01  /* button pressed/released */
#define JS_EVENT_AXIS         0x02  /* joystick moved */
#define JS_EVENT_INIT         0x80  /* initial state of device */

struct js_event {
      __u32 time; /* event timestamp in milliseconds */
      __s16 value;      /* value */
      __u8 type;  /* event type */
      __u8 number;      /* axis/button number */
};

/*
 * IOCTL commands for joystick driver
 */

#define JSIOCGVERSION         _IOR('j', 0x01, __u32)                    /* get driver version */

#define JSIOCGAXES            _IOR('j', 0x11, __u8)                     /* get number of axes */
#define JSIOCGBUTTONS         _IOR('j', 0x12, __u8)                     /* get number of buttons */
#define JSIOCGNAME(len)       _IOC(_IOC_READ, 'j', 0x13, len)                 /* get identifier string */

#define JSIOCSCORR            _IOW('j', 0x21, struct js_corr)                 /* set correction values */
#define JSIOCGCORR            _IOR('j', 0x22, struct js_corr)                 /* get correction values */

#define JSIOCSAXMAP           _IOW('j', 0x31, __u8[ABS_MAX])                  /* set axis mapping */
#define JSIOCGAXMAP           _IOR('j', 0x32, __u8[ABS_MAX])                  /* get axis mapping */
#define JSIOCSBTNMAP          _IOW('j', 0x33, __u16[KEY_MAX - BTN_MISC])      /* set button mapping */
#define JSIOCGBTNMAP          _IOR('j', 0x34, __u16[KEY_MAX - BTN_MISC])      /* get button mapping */

/*
 * Types and constants for get/set correction
 */

#define JS_CORR_NONE          0x00  /* returns raw values */
#define JS_CORR_BROKEN        0x01  /* broken line */

struct js_corr {
      __s32 coef[8];
      __s16 prec;
      __u16 type;
};

/*
 * v0.x compatibility definitions
 */

#define JS_RETURN       sizeof(struct JS_DATA_TYPE)
#define JS_TRUE               1
#define JS_FALSE        0
#define JS_X_0                0x01
#define JS_Y_0                0x02
#define JS_X_1                0x04
#define JS_Y_1                0x08
#define JS_MAX                2

#define JS_DEF_TIMEOUT        0x1300
#define JS_DEF_CORR           0
#define JS_DEF_TIMELIMIT      10L

#define JS_SET_CAL            1
#define JS_GET_CAL            2
#define JS_SET_TIMEOUT        3
#define JS_GET_TIMEOUT        4
#define JS_SET_TIMELIMIT      5
#define JS_GET_TIMELIMIT      6
#define JS_GET_ALL            7
#define JS_SET_ALL            8

struct JS_DATA_TYPE {
      int buttons;
      int x;
      int y;
};

struct JS_DATA_SAVE_TYPE {
      int JS_TIMEOUT;
      int BUSY;
      long JS_EXPIRETIME;
      long JS_TIMELIMIT;
      struct JS_DATA_TYPE JS_SAVE;
      struct JS_DATA_TYPE JS_CORR;
};

#endif /* _LINUX_JOYSTICK_H */

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