mms.c revision 1.10.6.3 1 /* $NetBSD: mms.c,v 1.10.6.3 2007/09/03 14:23:58 yamt Exp $ */
2
3 /*-
4 * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: mms.c,v 1.10.6.3 2007/09/03 14:23:58 yamt Exp $");
41
42 #include <sys/param.h>
43 #include <sys/device.h>
44 #include <sys/proc.h>
45 #include <sys/systm.h>
46
47 #include "wsmouse.h"
48
49 #include <dev/wscons/wsconsio.h>
50 #include <dev/wscons/wsmousevar.h>
51
52 #include <dreamcast/dev/maple/maple.h>
53 #include <dreamcast/dev/maple/mapleconf.h>
54
55 struct mms_condition {
56 uint32_t func_code; /* function code (big endian) */
57 uint32_t buttons;
58 uint16_t axis1; /* X */
59 uint16_t axis2; /* Y */
60 uint16_t axis3; /* wheel */
61 uint16_t axis4;
62 uint16_t axis5;
63 uint16_t axis6;
64 uint16_t axis7;
65 uint16_t axis8;
66 };
67
68 #define MMS_BUTTON_C 0x01 /* middle */
69 #define MMS_BUTTON_B 0x02 /* right */
70 #define MMS_BUTTON_A 0x04 /* left */
71 #define MMS_BUTTON_START 0x08 /* thumb */
72 #define MMS_BUTTON_MASK 0x0f
73
74 #define MMS_MOVEMENT_BASE 0x200
75 #define MMS_MOVEMENT_MAX 0x3ff
76
77 #define MMS_FUNCDATA_AXIS1 0x001
78 #define MMS_FUNCDATA_AXIS2 0x002
79 #define MMS_FUNCDATA_AXIS3 0x004
80 #define MMS_FUNCDATA_AXIS4 0x008
81 #define MMS_FUNCDATA_AXIS5 0x010
82 #define MMS_FUNCDATA_AXIS6 0x020
83 #define MMS_FUNCDATA_AXIS7 0x040
84 #define MMS_FUNCDATA_AXIS8 0x080
85 #define MMS_FUNCDATA_C 0x100
86 #define MMS_FUNCDATA_B 0x200
87 #define MMS_FUNCDATA_A 0x400
88 #define MMS_FUNCDATA_START 0x800
89
90 struct mms_softc {
91 struct device sc_dev;
92
93 struct device *sc_parent;
94 struct maple_unit *sc_unit;
95
96 uint32_t sc_oldbuttons;
97
98 struct device *sc_wsmousedev;
99 };
100
101 int mms_match(struct device *, struct cfdata *, void *);
102 void mms_attach(struct device *, struct device *, void *);
103 int mms_detach(struct device *, int);
104
105 CFATTACH_DECL(mms, sizeof(struct mms_softc),
106 mms_match, mms_attach, mms_detach, NULL);
107
108 int mms_enable(void *);
109 int mms_ioctl(void *, u_long, void *, int, struct lwp *);
110 void mms_disable(void *);
111
112 const struct wsmouse_accessops mms_accessops = {
113 mms_enable,
114 mms_ioctl,
115 mms_disable,
116 };
117
118 void mms_intr(void *, struct maple_response *, int, int);
119
120 int
121 mms_match(struct device *parent, struct cfdata *cf, void *aux)
122 {
123 struct maple_attach_args *ma = aux;
124
125 return ma->ma_function == MAPLE_FN_MOUSE ? MAPLE_MATCH_FUNC : 0;
126 }
127
128 void
129 mms_attach(struct device *parent, struct device *self, void *aux)
130 {
131 struct mms_softc *sc = (void *) self;
132 struct maple_attach_args *ma = aux;
133 struct wsmousedev_attach_args a;
134 uint32_t data;
135
136 printf(": SEGA Dreamcast Mouse\n");
137
138 sc->sc_parent = parent;
139 sc->sc_unit = ma->ma_unit;
140
141 data = maple_get_function_data(ma->ma_devinfo,
142 MAPLE_FN_MOUSE);
143
144 printf("%s: buttons:", sc->sc_dev.dv_xname);
145 if (data & MMS_FUNCDATA_A)
146 printf(" left");
147 if (data & MMS_FUNCDATA_C)
148 printf(" middle");
149 if (data & MMS_FUNCDATA_B)
150 printf(" right");
151 if (data & MMS_FUNCDATA_START)
152 printf(" thumb");
153 printf("\n");
154
155 sc->sc_oldbuttons = 0;
156
157 a.accessops = &mms_accessops;
158 a.accesscookie = sc;
159
160 /*
161 * Attach the mouse, saving a handle to it.
162 */
163 sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
164 if (sc->sc_wsmousedev == NULL) {
165 /* Nothing more to do here. */
166 return;
167 }
168
169 maple_set_callback(parent, sc->sc_unit, MAPLE_FN_MOUSE, mms_intr, sc);
170 }
171
172 int
173 mms_detach(struct device *self, int flags)
174 {
175 struct mms_softc *sc = (void *) self;
176 int rv = 0;
177
178 if (sc->sc_wsmousedev != NULL)
179 rv = config_detach(sc->sc_wsmousedev, flags);
180
181 return rv;
182 }
183
184 int
185 mms_enable(void *v)
186 {
187 struct mms_softc *sc = v;
188
189 maple_enable_periodic(sc->sc_parent, sc->sc_unit, MAPLE_FN_MOUSE, 1);
190 return 0;
191 }
192
193 void
194 mms_disable(void *v)
195 {
196 struct mms_softc *sc = v;
197
198 maple_enable_periodic(sc->sc_parent, sc->sc_unit, MAPLE_FN_MOUSE, 0);
199 }
200
201 int
202 mms_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
203 {
204
205 switch (cmd) {
206 case WSMOUSEIO_GTYPE:
207 *(u_int *) data = WSMOUSE_TYPE_MAPLE;
208 break;
209
210 case WSMOUSEIO_SRES:
211 /* XXX */
212 return EOPNOTSUPP;
213
214 default:
215 return EPASSTHROUGH;
216 }
217
218 return 0;
219 }
220
221 void
222 mms_intr(void *arg, struct maple_response *response, int size, int flags)
223 {
224 struct mms_softc *sc = arg;
225 struct mms_condition *data = (void *) response->data;
226 int dx = 0, dy = 0, dz = 0, buttons = 0;
227 uint32_t buttonchg;
228
229 if ((flags & MAPLE_FLAG_PERIODIC) == 0 ||
230 size < sizeof(*data))
231 return;
232
233 data->buttons &= MMS_BUTTON_MASK;
234 buttonchg = sc->sc_oldbuttons ^ data->buttons;
235 sc->sc_oldbuttons = data->buttons;
236
237 dx = (data->axis1 & MMS_MOVEMENT_MAX) - MMS_MOVEMENT_BASE;
238 dy = (data->axis2 & MMS_MOVEMENT_MAX) - MMS_MOVEMENT_BASE;
239 dz = (data->axis3 & MMS_MOVEMENT_MAX) - MMS_MOVEMENT_BASE;
240
241 if (dx || dy || dz || buttonchg) {
242 if ((data->buttons & MMS_BUTTON_A) == 0)
243 buttons |= 0x01;
244 if ((data->buttons & MMS_BUTTON_C) == 0)
245 buttons |= 0x02;
246 if ((data->buttons & MMS_BUTTON_B) == 0)
247 buttons |= 0x04;
248 if ((data->buttons & MMS_BUTTON_START) == 0)
249 buttons |= 0x08;
250
251 wsmouse_input(sc->sc_wsmousedev,
252 buttons,
253 dx, -dy, dz, 0,
254 WSMOUSE_INPUT_DELTA);
255 }
256 }
257