139 lines
3.6 KiB
C
139 lines
3.6 KiB
C
/* $NetBSD: vsxxx.c,v 1.11 2009/03/14 21:04:19 dsl Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Tohru Nishimura.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: vsxxx.c,v 1.11 2009/03/14 21:04:19 dsl Exp $");
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/*
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* Common machinary for VSXXX mice and tablet
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wsmousevar.h>
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#include <dev/dec/vsxxxvar.h>
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/*
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* XXX XXX XXX
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*
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* collect various mice and tablet parameters/protocol design
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* and establish vsxxx.h
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*
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* XXX XXX XXX
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*/
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#define VS_SELFTEST 'T'
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#define VS_INCREMENTAL 'R'
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#define VS_PROMPTING 'D'
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#define VS_REQ_POSITION 'P'
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#define VS_MOUSE_REPSZ 3
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#define VS_TABLET_REPSZ 5
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/* first octet */
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#define VS_START_FRAME 0x80
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#define VS_R_BUTTON 0x01
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#define VS_M_BUTTON 0x02
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#define VS_L_BUTTON 0x04
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#define VS_Y_SIGN 0x08
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#define VS_X_SIGN 0x10
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/* low order 4 bit of the second octet in a SELFTEST reply */
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#define VS_MOUSE 0x2
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#define VS_TABLET 0x4
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extern struct cfdriver vsms_cd;
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static int vsxxx_enable(void *);
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static int vsxxx_ioctl(void *, u_long, void *, int, struct proc *);
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static void vsxxx_disable(void *);
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struct wsmouse_accessops vsxxx_accessops = { /* EXPORT */
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vsxxx_enable, /* MD? */
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vsxxx_ioctl,
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vsxxx_disable, /* MD? */
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};
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static int
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vsxxx_enable(void *v)
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{
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/* turn on the hardware? */
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((struct vsxxx_softc *)v)->sc_nbyte = 0;
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return 0;
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}
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static void
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vsxxx_disable(void *v)
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{
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/* turn off the hardware? */
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}
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/*ARGUSED*/
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static int
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vsxxx_ioctl(void *v, u_long cmd, void *data, int flag, struct proc *p)
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{
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if (cmd == WSMOUSEIO_GTYPE) {
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*(u_int *)data = WSMOUSE_TYPE_VSXXX;
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return 0;
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}
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return EPASSTHROUGH;
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}
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/* EXPORT */ void
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vsxxx_input(int data)
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{
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struct vsxxx_softc *sc = device_lookup_private(&vsms_cd, 0);
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int x, y;
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if (data & VS_START_FRAME)
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sc->sc_nbyte = 0;
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sc->sc_report.raw[sc->sc_nbyte++] = data;
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if (sc->sc_nbyte < VS_MOUSE_REPSZ)
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return;
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sc->sc_nbyte = 0;
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x = sc->sc_report.ms.xpos;
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y = sc->sc_report.ms.ypos;
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if ((sc->sc_report.raw[0] & VS_X_SIGN) == 0)
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x = -x;
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if ((sc->sc_report.raw[0] & VS_Y_SIGN) != 0)
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y = -y; /* Eeeh? */
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wsmouse_input(sc->sc_wsmousedev,
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sc->sc_report.raw[0] & 07,
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x, y, 0, 0,
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WSMOUSE_INPUT_DELTA);
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}
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