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.
26 * $FreeBSD: src/sys/dev/syscons/sysmouse.c,v 1.2.2.2 2001/07/16 05:21:24 yokota Exp $
27 * $DragonFly: src/sys/dev/misc/syscons/sysmouse.c,v 1.12 2006/09/10 01:26:35 dillon Exp $
30 #include "opt_syscons.h"
32 #include <sys/param.h>
33 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/thread2.h>
41 #include <machine/console.h>
42 #include <machine/mouse.h>
46 #ifndef SC_NO_SYSMOUSE
48 #define CDEV_MAJOR 12 /* major number, shared with syscons */
49 #define SC_MOUSE 128 /* minor number */
51 static d_open_t smopen;
52 static d_close_t smclose;
53 static d_ioctl_t smioctl;
55 static struct dev_ops sm_ops = {
56 { "sysmouse", CDEV_MAJOR, D_TTY | D_KQFILTER },
61 .d_kqfilter = ttykqfilter,
66 static struct tty *sysmouse_tty;
67 static int mouse_level; /* sysmouse protocol level */
68 static mousestatus_t mouse_status;
70 static void smstart(struct tty *tp);
71 static int smparam(struct tty *tp, struct termios *t);
74 smopen(struct dev_open_args *ap)
76 cdev_t dev = ap->a_head.a_dev;
79 DPRINTF(5, ("smopen: dev:%d,%d, vty:%d\n",
80 major(dev), minor(dev), SC_VTY(dev)));
83 if (SC_VTY(dev) != SC_MOUSE)
87 tp = dev->si_tty = ttymalloc(dev->si_tty);
88 if (!(tp->t_state & TS_ISOPEN)) {
90 tp->t_oproc = smstart;
91 tp->t_param = smparam;
92 tp->t_stop = nottystop;
98 tp->t_cflag = TTYDEF_CFLAG;
99 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
100 smparam(tp, &tp->t_termios);
101 (*linesw[tp->t_line].l_modem)(tp, 1);
102 } else if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) {
106 return (*linesw[tp->t_line].l_open)(dev, tp);
110 smclose(struct dev_close_args *ap)
112 cdev_t dev = ap->a_head.a_dev;
118 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag);
126 smstart(struct tty *tp)
132 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) {
133 tp->t_state |= TS_BUSY;
136 q_to_b(rbp, buf, PCBURST);
137 tp->t_state &= ~TS_BUSY;
144 smparam(struct tty *tp, struct termios *t)
146 tp->t_ispeed = t->c_ispeed;
147 tp->t_ospeed = t->c_ospeed;
148 tp->t_cflag = t->c_cflag;
153 smioctl(struct dev_ioctl_args *ap)
155 cdev_t dev = ap->a_head.a_dev;
164 case MOUSE_GETHWINFO: /* get device information */
165 hw = (mousehw_t *)ap->a_data;
166 hw->buttons = 10; /* XXX unknown */
167 hw->iftype = MOUSE_IF_SYSMOUSE;
168 hw->type = MOUSE_MOUSE;
169 hw->model = MOUSE_MODEL_GENERIC;
173 case MOUSE_GETMODE: /* get protocol/mode */
174 mode = (mousemode_t *)ap->a_data;
175 mode->level = mouse_level;
176 switch (mode->level) {
177 case 0: /* emulate MouseSystems protocol */
178 mode->protocol = MOUSE_PROTO_MSC;
179 mode->rate = -1; /* unknown */
180 mode->resolution = -1; /* unknown */
181 mode->accelfactor = 0; /* disabled */
182 mode->packetsize = MOUSE_MSC_PACKETSIZE;
183 mode->syncmask[0] = MOUSE_MSC_SYNCMASK;
184 mode->syncmask[1] = MOUSE_MSC_SYNC;
187 case 1: /* sysmouse protocol */
188 mode->protocol = MOUSE_PROTO_SYSMOUSE;
190 mode->resolution = -1;
191 mode->accelfactor = 0;
192 mode->packetsize = MOUSE_SYS_PACKETSIZE;
193 mode->syncmask[0] = MOUSE_SYS_SYNCMASK;
194 mode->syncmask[1] = MOUSE_SYS_SYNC;
199 case MOUSE_SETMODE: /* set protocol/mode */
200 mode = (mousemode_t *)ap->a_data;
201 if (mode->level == -1)
202 ; /* don't change the current setting */
203 else if ((mode->level < 0) || (mode->level > 1))
206 mouse_level = mode->level;
209 case MOUSE_GETLEVEL: /* get operation level */
210 *(int *)ap->a_data = mouse_level;
213 case MOUSE_SETLEVEL: /* set operation level */
214 if ((*(int *)ap->a_data < 0) || (*(int *)ap->a_data > 1))
216 mouse_level = *(int *)ap->a_data;
219 case MOUSE_GETSTATUS: /* get accumulated mouse events */
221 *(mousestatus_t *)ap->a_data = mouse_status;
222 mouse_status.flags = 0;
223 mouse_status.obutton = mouse_status.button;
231 case MOUSE_GETVARS: /* get internal mouse variables */
232 case MOUSE_SETVARS: /* set internal mouse variables */
236 case MOUSE_READSTATE: /* read status from the device */
237 case MOUSE_READDATA: /* read data from the device */
241 error = (*linesw[tp->t_line].l_ioctl)(tp, ap->a_cmd, ap->a_data, ap->a_fflag, ap->a_cred);
242 if (error != ENOIOCTL)
244 error = ttioctl(tp, ap->a_cmd, ap->a_data, ap->a_fflag);
245 if (error != ENOIOCTL)
251 sm_attach_mouse(void *unused)
255 dev = make_dev(&sm_ops, SC_MOUSE, UID_ROOT, GID_WHEEL,
257 /* sysmouse doesn't have scr_stat */
260 SYSINIT(sysmouse, SI_SUB_DRIVERS, SI_ORDER_MIDDLE + CDEV_MAJOR,
261 sm_attach_mouse, NULL)
264 sysmouse_event(mouse_info_t *info)
266 /* MOUSE_BUTTON?DOWN -> MOUSE_MSC_BUTTON?UP */
267 static int butmap[8] = {
268 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP,
269 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP,
270 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP,
272 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP,
281 switch (info->operation) {
283 mouse_status.button = info->u.data.buttons;
285 case MOUSE_MOTION_EVENT:
290 case MOUSE_BUTTON_EVENT:
292 if (info->u.event.value > 0)
293 mouse_status.button |= info->u.event.id;
295 mouse_status.button &= ~info->u.event.id;
301 mouse_status.dx += x;
302 mouse_status.dy += y;
303 mouse_status.dz += z;
304 mouse_status.flags |= ((x || y || z) ? MOUSE_POSCHANGED : 0)
305 | (mouse_status.obutton ^ mouse_status.button);
306 if (mouse_status.flags == 0)
309 if ((sysmouse_tty == NULL) || !(sysmouse_tty->t_state & TS_ISOPEN))
310 return mouse_status.flags;
312 /* the first five bytes are compatible with MouseSystems' */
313 buf[0] = MOUSE_MSC_SYNC
314 | butmap[mouse_status.button & MOUSE_STDBUTTONS];
315 x = imax(imin(x, 255), -256);
318 y = -imax(imin(y, 255), -256);
321 for (i = 0; i < MOUSE_MSC_PACKETSIZE; ++i)
322 (*linesw[sysmouse_tty->t_line].l_rint)(buf[i], sysmouse_tty);
323 if (mouse_level >= 1) {
325 z = imax(imin(z, 127), -128);
326 buf[5] = (z >> 1) & 0x7f;
327 buf[6] = (z - (z >> 1)) & 0x7f;
329 buf[7] = (~mouse_status.button >> 3) & 0x7f;
330 for (i = MOUSE_MSC_PACKETSIZE; i < MOUSE_SYS_PACKETSIZE; ++i)
331 (*linesw[sysmouse_tty->t_line].l_rint)(buf[i],
335 return mouse_status.flags;
338 #endif /* !SC_NO_SYSMOUSE */