sys/sys/tablet.h

/*-
 * Copyright (c) 1985, 1986 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      from: @(#)tablet.h      7.5 (Berkeley) 2/15/91
 *      $Id$
 */

#ifndef _TABLET_H_
#define _TABLET_H_

/*
 * Tablet line discipline.
 */
#ifdef KERNEL
#include "../h/ioctl.h"
#else
#include <sys/ioctl.h>
#endif

/*
 * Reads on the tablet return one of the following structures, depending on
 * the underlying tablet type.  The first two are defined such that a read of
 * sizeof (gtcopos) on a non-gtco tablet will return meaningful info.  The
 * in-proximity bit is simulated where the tablet does not directly provide
 * the information.
 */
struct  tbpos {
        int     xpos, ypos;     /* raw x-y coordinates */
        short   status;         /* buttons/pen down */
#define TBINPROX        0100000         /* pen in proximity of tablet */
        short   scount;         /* sample count */
};

struct  gtcopos {
        int     xpos, ypos;     /* raw x-y coordinates */
        short   status;         /* as above */
        short   scount;         /* sample count */
        short   xtilt, ytilt;   /* raw tilt */
        short   pressure;
        short   pad;            /* pad to longword boundary */
};

struct  polpos {
        short   p_x, p_y, p_z;  /* raw 3-space coordinates */
        short   p_azi, p_pit, p_rol;    /* azimuth, pitch, and roll */
        short   p_stat;         /* status, as above */
        char    p_key;          /* calculator input keyboard */
};

#define BIOSMODE        _IOW('b', 1, int)       /* set mode bit(s) */
#define BIOGMODE        _IOR('b', 2, int)       /* get mode bit(s) */
#define TBMODE          0xfff0          /* mode bits: */
#define         TBPOINT         0x0010          /* single point */
#define         TBRUN           0x0000          /* runs contin. */
#define         TBSTOP          0x0020          /* shut-up */
#define         TBGO            0x0000          /* ~TBSTOP */
#define TBTYPE          0x000f          /* tablet type: */
#define         TBUNUSED        0x0
#define         TBHITACHI       0x1             /* hitachi tablet */
#define         TBTIGER         0x2             /* hitachi tiger */
#define         TBGTCO          0x3             /* gtco */
#define         TBPOL           0x4             /* polhemus 3space */
#define         TBHDG           0x5             /* hdg-1111b, low res */
#define         TBHDGHIRES      0x6             /* hdg-1111b, high res */
#define         TBDIGI          0x7             /* gtco digi-pad, low res */
#define         TBDIGIHIRES     0x8             /* gtco digi-pad, high res */
#define BIOSTYPE        _IOW('b', 3, int)       /* set tablet type */
#define BIOGTYPE        _IOR('b', 4, int)       /* get tablet type*/
#endif

#endif /* !_TABLET_H_ */