#ifndef _LINUX_JOYSTICK_H
  #define _LINUX_JOYSTICK_H
  
  /*

   *  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 <linux/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_CNT])			/* set axis mapping */
  #define JSIOCGAXMAP		_IOR('j', 0x32, __u8[ABS_CNT])			/* get axis mapping */

  #define JSIOCSBTNMAP		_IOW('j', 0x33, __u16[KEY_MAX - BTN_MISC + 1])	/* set button mapping */
  #define JSIOCGBTNMAP		_IOR('j', 0x34, __u16[KEY_MAX - BTN_MISC + 1])	/* 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 {

  	__s32 buttons;
  	__s32 x;
  	__s32 y;

  };

  struct JS_DATA_SAVE_TYPE_32 {

  	__s32 JS_TIMEOUT;
  	__s32 BUSY;
  	__s32 JS_EXPIRETIME;
  	__s32 JS_TIMELIMIT;

  	struct JS_DATA_TYPE JS_SAVE;
  	struct JS_DATA_TYPE JS_CORR;
  };

  struct JS_DATA_SAVE_TYPE_64 {

  	__s32 JS_TIMEOUT;
  	__s32 BUSY;
  	__s64 JS_EXPIRETIME;
  	__s64 JS_TIMELIMIT;

  	struct JS_DATA_TYPE JS_SAVE;
  	struct JS_DATA_TYPE JS_CORR;
  };

  #ifdef __KERNEL__

  #if BITS_PER_LONG == 64
  #define JS_DATA_SAVE_TYPE JS_DATA_SAVE_TYPE_64
  #elif BITS_PER_LONG == 32
  #define JS_DATA_SAVE_TYPE JS_DATA_SAVE_TYPE_32
  #else
  #error Unexpected BITS_PER_LONG
  #endif

  #endif

  #endif /* _LINUX_JOYSTICK_H */