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      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