1 /* $NetBSD: ms.c,v 1.6 2008/05/14 13:29:28 tsutsui Exp $ */
2
3 /*-
4 * Copyright (c) 2001 Izumi Tsutsui. 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 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 /*-
28 * Copyright (c) 2000 Tsubai Masanari. All rights reserved.
29 *
30 * Redistribution and use in source and binary forms, with or without
31 * modification, are permitted provided that the following conditions
32 * are met:
33 * 1. Redistributions of source code must retain the above copyright
34 * notice, this list of conditions and the following disclaimer.
35 * 2. Redistributions in binary form must reproduce the above copyright
36 * notice, this list of conditions and the following disclaimer in the
37 * documentation and/or other materials provided with the distribution.
38 * 3. The name of the author may not be used to endorse or promote products
39 * derived from this software without specific prior written permission.
40 *
41 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
42 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
44 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
45 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
47 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
48 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
49 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
50 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
51 */
52
53 #include <sys/cdefs.h>
54 __KERNEL_RCSID(0, "$NetBSD: ms.c,v 1.6 2008/05/14 13:29:28 tsutsui Exp $");
55
56 #include <sys/param.h>
57 #include <sys/device.h>
58 #include <sys/systm.h>
59
60 #include <dev/wscons/wsconsio.h>
61 #include <dev/wscons/wsmousevar.h>
62
63 #include <machine/cpu.h>
64 #include <machine/bus.h>
65
66 #include <news68k/dev/msvar.h>
67
68 void
ms_intr(struct ms_softc * sc)69 ms_intr(struct ms_softc *sc)
70 {
71 bus_space_tag_t bt = sc->sc_bt;
72 bus_space_handle_t bh = sc->sc_bh;
73 bus_size_t offset = sc->sc_offset;
74 int code, index, byte0, byte1, byte2;
75 int button, dx, dy;
76
77 if (sc->sc_wsmousedev == NULL)
78 return;
79
80 code = bus_space_read_1(bt, bh, offset);
81 index = sc->sc_ndata;
82
83 if (code & MS_S_MARK) {
84 sc->sc_buf[MS_S_BYTE] = code;
85 sc->sc_ndata = MS_X_BYTE;
86 return;
87 }
88
89 if (index == MS_X_BYTE) {
90 sc->sc_buf[MS_X_BYTE] = code;
91 sc->sc_ndata = MS_Y_BYTE;
92 return;
93 }
94
95 if (index == MS_Y_BYTE) {
96 sc->sc_buf[MS_Y_BYTE] = code;
97 sc->sc_ndata = 0;
98
99 byte0 = sc->sc_buf[MS_S_BYTE];
100 byte1 = sc->sc_buf[MS_X_BYTE];
101 byte2 = sc->sc_buf[MS_Y_BYTE];
102
103 button = 0;
104 if (byte0 & MS_S_SW1)
105 button |= 0x01;
106 if (byte0 & MS_S_SW3)
107 button |= 0x02;
108 if (byte0 & MS_S_SW2)
109 button |= 0x04;
110
111 dx = byte1 & MS_X_DATA;
112 if (byte0 & MS_S_XSIGN)
113 dx = -dx;
114 dy = byte2 & MS_Y_DATA;
115 if (byte0 & MS_S_YSIGN)
116 dy = -dy;
117
118 wsmouse_input(sc->sc_wsmousedev,
119 button,
120 dx, -dy, 0, 0,
121 WSMOUSE_INPUT_DELTA);
122 }
123 }
124