99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/* $NetBSD: ms.c,v 1.3 2004/09/04 13:43:11 tsutsui Exp $ */
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/*-
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* Copyright (c) 2001 Izumi Tsutsui. All rights reserved.
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* Copyright (c) 2000 Tsubai Masanari. All rights reserved.
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: ms.c,v 1.3 2004/09/04 13:43:11 tsutsui Exp $");
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#include <sys/param.h>
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#include <sys/device.h>
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#include <sys/systm.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wsmousevar.h>
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#include <machine/cpu.h>
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#include <machine/bus.h>
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#include <news68k/dev/msvar.h>
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void
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ms_intr(struct ms_softc *sc)
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{
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bus_space_tag_t bt = sc->sc_bt;
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bus_space_handle_t bh = sc->sc_bh;
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bus_size_t offset = sc->sc_offset;
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int code, index, byte0, byte1, byte2;
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int button, dx, dy;
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if (sc->sc_wsmousedev == NULL)
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return;
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code = bus_space_read_1(bt, bh, offset);
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index = sc->sc_ndata;
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if (code & MS_S_MARK) {
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sc->sc_buf[MS_S_BYTE] = code;
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sc->sc_ndata = MS_X_BYTE;
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return;
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}
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if (index == MS_X_BYTE) {
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sc->sc_buf[MS_X_BYTE] = code;
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sc->sc_ndata = MS_Y_BYTE;
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return;
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}
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if (index == MS_Y_BYTE) {
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sc->sc_buf[MS_Y_BYTE] = code;
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sc->sc_ndata = 0;
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byte0 = sc->sc_buf[MS_S_BYTE];
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byte1 = sc->sc_buf[MS_X_BYTE];
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byte2 = sc->sc_buf[MS_Y_BYTE];
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button = 0;
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if (byte0 & MS_S_SW1)
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button |= 0x01;
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if (byte0 & MS_S_SW3)
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button |= 0x02;
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if (byte0 & MS_S_SW2)
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button |= 0x04;
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dx = byte1 & MS_X_DATA;
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if (byte0 & MS_S_XSIGN)
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dx = -dx;
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dy = byte2 & MS_Y_DATA;
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if (byte0 & MS_S_YSIGN)
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dy = -dy;
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wsmouse_input(sc->sc_wsmousedev, button, dx, -dy, 0,
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WSMOUSE_INPUT_DELTA);
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}
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}
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