joystick.h

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/*
 *  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 <[email protected]>, or by paper mail:
 * Vojtech Pavlik, Ucitelska 1576, Prague 8, 182 00 Czech Republic
 */
#ifndef _UAPI_LINUX_JOYSTICK_H
#define _UAPI_LINUX_JOYSTICK_H



#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;
};


#endif /* _UAPI_LINUX_JOYSTICK_H */