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#ifndef _LINUX_JOYSTICK_H #define _LINUX_JOYSTICK_H /* * $Id: joystick.h,v 1.2 1997/10/31 19:11:57 mj Exp $ * * Copyright (C) 1997 Vojtech Pavlik */ #include <linux/ioctl.h> #include <asm/types.h> /* * Version */ #define JS_VERSION 0x00010006L /* 1.0.6 BCD */ /* * 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 JSIOCSCORR _IOW('j', 0x21, struct js_corr[4]) /* set correction values */ #define JSIOCGCORR _IOR('j', 0x22, struct js_corr[4]) /* get correction values */ /* * 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]; __u16 prec; __u16 type; }; /* * 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; /* time when event happened in miliseconds since open */ __u16 value; /* new value */ __u8 type; /* type of event, see above */ __u8 number; /* axis/button number */ }; /* * Backward (version 0.x) compatibility definitions */ #define JS_RETURN sizeof(struct JS_DATA_TYPE) #define JS_TRUE 1 #define JS_FALSE 0 #define JS_X_0 0x01 /* bit mask for x-axis js0 */ #define JS_Y_0 0x02 /* bit mask for y-axis js0 */ #define JS_X_1 0x04 /* bit mask for x-axis js1 */ #define JS_Y_1 0x08 /* bit mask for y-axis js1 */ #define JS_MAX 2 /* max number of joysticks */ struct JS_DATA_TYPE { int buttons; /* immediate button state */ int x; /* immediate x axis value */ int y; /* immediate y axis value */ }; extern int js_init(void); #endif /* _LINUX_JOYSTICK_H */ |