NetBSD/sys/arch/news68k/dev/ms.c

97 lines
2.8 KiB
C

/* $NetBSD: ms.c,v 1.1 2001/01/25 14:33:29 tsutsui Exp $ */
/*-
* Copyright (c) 2001 Izumi Tsutsui. All rights reserved.
* Copyright (c) 2000 Tsubai Masanari. 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsmousevar.h>
#include <machine/cpu.h>
#include <machine/bus.h>
#include <news68k/dev/msvar.h>
void
ms_intr(sc)
struct ms_softc *sc;
{
bus_space_tag_t bt = sc->sc_bt;
bus_space_handle_t bh = sc->sc_bh;
bus_size_t offset = sc->sc_offset;
int code, index, byte0, byte1, byte2;
int button, dx, dy;
if (sc->sc_wsmousedev == NULL)
return;
code = bus_space_read_1(bt, bh, offset);
index = sc->sc_ndata;
if (code & MS_S_MARK) {
sc->sc_buf[MS_S_BYTE] = code;
sc->sc_ndata = MS_X_BYTE;
return;
}
if (index == MS_X_BYTE) {
sc->sc_buf[MS_X_BYTE] = code;
sc->sc_ndata = MS_Y_BYTE;
return;
}
if (index == MS_Y_BYTE) {
sc->sc_buf[MS_Y_BYTE] = code;
sc->sc_ndata = 0;
byte0 = sc->sc_buf[MS_S_BYTE];
byte1 = sc->sc_buf[MS_X_BYTE];
byte2 = sc->sc_buf[MS_Y_BYTE];
button = 0;
if (byte0 & MS_S_SW1)
button |= 0x01;
if (byte0 & MS_S_SW3)
button |= 0x02;
if (byte0 & MS_S_SW2)
button |= 0x04;
dx = byte1 & MS_X_DATA;
if (byte0 & MS_S_XSIGN)
dx = -dx;
dy = byte2 & MS_Y_DATA;
if (byte0 & MS_S_YSIGN)
dy = -dy;
wsmouse_input(sc->sc_wsmousedev, button, dx, -dy, 0,
WSMOUSE_INPUT_DELTA);
}
}