2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer as
10 * the first lines of this file unmodified.
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.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include "opt_syscons.h"
33 #include <sys/param.h>
34 #include <sys/systm.h>
36 #include <sys/serial.h>
38 #include <sys/ttydefaults.h>
39 #include <sys/kernel.h>
40 #include <sys/consio.h>
41 #include <sys/mouse.h>
43 #include <dev/syscons/syscons.h>
45 #ifndef SC_NO_SYSMOUSE
48 static struct tty *sysmouse_tty;
49 static int mouse_level; /* sysmouse protocol level */
50 static mousestatus_t mouse_status;
53 smdev_close(struct tty *tp)
59 smdev_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td)
66 case MOUSE_GETHWINFO: /* get device information */
67 hw = (mousehw_t *)data;
68 hw->buttons = 10; /* XXX unknown */
69 hw->iftype = MOUSE_IF_SYSMOUSE;
70 hw->type = MOUSE_MOUSE;
71 hw->model = MOUSE_MODEL_GENERIC;
75 case MOUSE_GETMODE: /* get protocol/mode */
76 mode = (mousemode_t *)data;
77 mode->level = mouse_level;
78 switch (mode->level) {
79 case 0: /* emulate MouseSystems protocol */
80 mode->protocol = MOUSE_PROTO_MSC;
81 mode->rate = -1; /* unknown */
82 mode->resolution = -1; /* unknown */
83 mode->accelfactor = 0; /* disabled */
84 mode->packetsize = MOUSE_MSC_PACKETSIZE;
85 mode->syncmask[0] = MOUSE_MSC_SYNCMASK;
86 mode->syncmask[1] = MOUSE_MSC_SYNC;
89 case 1: /* sysmouse protocol */
90 mode->protocol = MOUSE_PROTO_SYSMOUSE;
92 mode->resolution = -1;
93 mode->accelfactor = 0;
94 mode->packetsize = MOUSE_SYS_PACKETSIZE;
95 mode->syncmask[0] = MOUSE_SYS_SYNCMASK;
96 mode->syncmask[1] = MOUSE_SYS_SYNC;
101 case MOUSE_SETMODE: /* set protocol/mode */
102 mode = (mousemode_t *)data;
103 if (mode->level == -1)
104 ; /* don't change the current setting */
105 else if ((mode->level < 0) || (mode->level > 1))
108 mouse_level = mode->level;
111 case MOUSE_GETLEVEL: /* get operation level */
112 *(int *)data = mouse_level;
115 case MOUSE_SETLEVEL: /* set operation level */
116 if ((*(int *)data < 0) || (*(int *)data > 1))
118 mouse_level = *(int *)data;
121 case MOUSE_GETSTATUS: /* get accumulated mouse events */
122 *(mousestatus_t *)data = mouse_status;
123 mouse_status.flags = 0;
124 mouse_status.obutton = mouse_status.button;
131 case MOUSE_GETVARS: /* get internal mouse variables */
132 case MOUSE_SETVARS: /* set internal mouse variables */
136 case MOUSE_READSTATE: /* read status from the device */
137 case MOUSE_READDATA: /* read data from the device */
145 smdev_param(struct tty *tp, struct termios *t)
149 * Set the output baud rate to zero. The mouse device supports
150 * no output, so we don't want to waste buffers.
152 t->c_ispeed = TTYDEF_SPEED;
158 static struct ttydevsw smdev_ttydevsw = {
159 .tsw_flags = TF_NOPREFIX,
160 .tsw_close = smdev_close,
161 .tsw_ioctl = smdev_ioctl,
162 .tsw_param = smdev_param,
166 sm_attach_mouse(void *unused)
168 sysmouse_tty = tty_alloc(&smdev_ttydevsw, NULL);
169 tty_makedev(sysmouse_tty, NULL, "sysmouse");
172 SYSINIT(sysmouse, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, sm_attach_mouse, NULL);
175 sysmouse_event(mouse_info_t *info)
177 /* MOUSE_BUTTON?DOWN -> MOUSE_MSC_BUTTON?UP */
178 static int butmap[8] = {
179 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP,
180 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP,
181 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP,
183 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP,
192 tty_lock(sysmouse_tty);
194 switch (info->operation) {
196 mouse_status.button = info->u.data.buttons;
198 case MOUSE_MOTION_EVENT:
203 case MOUSE_BUTTON_EVENT:
205 if (info->u.event.value > 0)
206 mouse_status.button |= info->u.event.id;
208 mouse_status.button &= ~info->u.event.id;
214 mouse_status.dx += x;
215 mouse_status.dy += y;
216 mouse_status.dz += z;
217 mouse_status.flags |= ((x || y || z) ? MOUSE_POSCHANGED : 0)
218 | (mouse_status.obutton ^ mouse_status.button);
219 flags = mouse_status.flags;
220 if (flags == 0 || !tty_opened(sysmouse_tty))
223 /* the first five bytes are compatible with MouseSystems' */
224 buf[0] = MOUSE_MSC_SYNC
225 | butmap[mouse_status.button & MOUSE_STDBUTTONS];
226 x = imax(imin(x, 255), -256);
229 y = -imax(imin(y, 255), -256);
232 for (i = 0; i < MOUSE_MSC_PACKETSIZE; ++i)
233 ttydisc_rint(sysmouse_tty, buf[i], 0);
234 if (mouse_level >= 1) {
236 z = imax(imin(z, 127), -128);
237 buf[5] = (z >> 1) & 0x7f;
238 buf[6] = (z - (z >> 1)) & 0x7f;
240 buf[7] = (~mouse_status.button >> 3) & 0x7f;
241 for (i = MOUSE_MSC_PACKETSIZE; i < MOUSE_SYS_PACKETSIZE; ++i)
242 ttydisc_rint(sysmouse_tty, buf[i], 0);
244 ttydisc_rint_done(sysmouse_tty);
246 done: tty_unlock(sysmouse_tty);
250 #endif /* !SC_NO_SYSMOUSE */