1 /*        $NetBSD: msvar.h,v 1.2 2008/03/28 18:19:56 tsutsui Exp $    */
2 
3 /*-
4  * Copyright (c) 2001 Tsubai Masanari.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #define MS_S_BYTE   0                   /* start byte */
30 #define MS_X_BYTE   1                   /* second byte */
31 #define MS_Y_BYTE   2                   /* third byte */
32 #define MS_DB_SIZE  3
33 
34 #define MS_S_MARK   0x80                /* start mark (first byte)*/
35 #define MS_S_XSIGN  0x08                /* MSB(sign bit) of X */
36 #define MS_S_YSIGN  0x10                /* MSB(sign bit) of Y */
37 #define MS_S_SW1    0x01                /* left button is pressed */
38 #define MS_S_SW2    0x02                /* right button is pressed */
39 #define MS_S_SW3    0x04                /* middle button is pressed */
40 
41 #define MS_X_DATA   0x7f                /* data bits of X (second byte) */
42 #define MS_Y_DATA   0x7f                /* data bits of Y (third byte) */
43 
44 struct ms_softc {
45           device_t sc_dev;
46           bus_space_tag_t sc_bt;
47           bus_space_handle_t sc_bh;
48           device_t sc_wsmousedev;
49           bus_size_t sc_offset; /* ms data port offset */
50           int sc_ndata;
51           u_char sc_buf[MS_DB_SIZE];
52 };
53 
54 void ms_intr(struct ms_softc *);
55