Bring in the parallel route table code and clean up ARP. The
[dragonfly.git] / sys / dev / misc / syscons / sysmouse.c
CommitLineData
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1/*-
2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
14 *
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.
25 *
26 * $FreeBSD: src/sys/dev/syscons/sysmouse.c,v 1.2.2.2 2001/07/16 05:21:24 yokota Exp $
6bc31f17 27 * $DragonFly: src/sys/dev/misc/syscons/sysmouse.c,v 1.9 2005/06/11 00:26:45 dillon Exp $
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28 */
29
30#include "opt_syscons.h"
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/conf.h>
35#include <sys/proc.h>
36#include <sys/tty.h>
37#include <sys/kernel.h>
6bc31f17 38#include <sys/thread2.h>
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39
40#include <machine/console.h>
41#include <machine/mouse.h>
42
1f2de5d4 43#include "syscons.h"
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44
45#ifndef SC_NO_SYSMOUSE
46
47#define CDEV_MAJOR 12 /* major number, shared with syscons */
48#define SC_MOUSE 128 /* minor number */
49
50static d_open_t smopen;
51static d_close_t smclose;
52static d_ioctl_t smioctl;
53
54static struct cdevsw sm_cdevsw = {
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55 /* name */ "sysmouse",
56 /* maj */ CDEV_MAJOR,
57 /* flags */ D_TTY,
58 /* port */ NULL,
455fcd7e 59 /* clone */ NULL,
fabb8ceb 60
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61 /* open */ smopen,
62 /* close */ smclose,
63 /* read */ ttyread,
64 /* write */ nowrite,
65 /* ioctl */ smioctl,
66 /* poll */ ttypoll,
67 /* mmap */ nommap,
68 /* strategy */ nostrategy,
984263bc 69 /* dump */ nodump,
fabb8ceb 70 /* psize */ nopsize
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71};
72
73/* local variables */
74static struct tty *sysmouse_tty;
75static int mouse_level; /* sysmouse protocol level */
76static mousestatus_t mouse_status;
77
78static void smstart(struct tty *tp);
79static int smparam(struct tty *tp, struct termios *t);
80
81static int
41c20dac 82smopen(dev_t dev, int flag, int mode, struct thread *td)
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83{
84 struct tty *tp;
85
86 DPRINTF(5, ("smopen: dev:%d,%d, vty:%d\n",
87 major(dev), minor(dev), SC_VTY(dev)));
88
89#if 0
90 if (SC_VTY(dev) != SC_MOUSE)
91 return ENXIO;
92#endif
93
94 tp = dev->si_tty = ttymalloc(dev->si_tty);
95 if (!(tp->t_state & TS_ISOPEN)) {
96 sysmouse_tty = tp;
97 tp->t_oproc = smstart;
98 tp->t_param = smparam;
99 tp->t_stop = nottystop;
100 tp->t_dev = dev;
101 ttychars(tp);
102 tp->t_iflag = TTYDEF_IFLAG;
103 tp->t_oflag = TTYDEF_OFLAG;
104 tp->t_cflag = TTYDEF_CFLAG;
105 tp->t_lflag = TTYDEF_LFLAG;
106 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
107 smparam(tp, &tp->t_termios);
108 (*linesw[tp->t_line].l_modem)(tp, 1);
dadab5e9 109 } else if (tp->t_state & TS_XCLUDE && suser(td)) {
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110 return EBUSY;
111 }
112
113 return (*linesw[tp->t_line].l_open)(dev, tp);
114}
115
116static int
41c20dac 117smclose(dev_t dev, int flag, int mode, struct thread *td)
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118{
119 struct tty *tp;
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120
121 tp = dev->si_tty;
6bc31f17 122 crit_enter();
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123 mouse_level = 0;
124 (*linesw[tp->t_line].l_close)(tp, flag);
125 ttyclose(tp);
6bc31f17 126 crit_exit();
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127
128 return 0;
129}
130
131static void
132smstart(struct tty *tp)
133{
134 struct clist *rbp;
135 u_char buf[PCBURST];
984263bc 136
6bc31f17 137 crit_enter();
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138 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) {
139 tp->t_state |= TS_BUSY;
140 rbp = &tp->t_outq;
141 while (rbp->c_cc)
142 q_to_b(rbp, buf, PCBURST);
143 tp->t_state &= ~TS_BUSY;
144 ttwwakeup(tp);
145 }
6bc31f17 146 crit_exit();
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147}
148
149static int
150smparam(struct tty *tp, struct termios *t)
151{
152 tp->t_ispeed = t->c_ispeed;
153 tp->t_ospeed = t->c_ospeed;
154 tp->t_cflag = t->c_cflag;
155 return 0;
156}
157
158static int
41c20dac 159smioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
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160{
161 struct tty *tp;
162 mousehw_t *hw;
163 mousemode_t *mode;
164 int error;
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165
166 tp = dev->si_tty;
167 switch (cmd) {
168
169 case MOUSE_GETHWINFO: /* get device information */
170 hw = (mousehw_t *)data;
171 hw->buttons = 10; /* XXX unknown */
172 hw->iftype = MOUSE_IF_SYSMOUSE;
173 hw->type = MOUSE_MOUSE;
174 hw->model = MOUSE_MODEL_GENERIC;
175 hw->hwid = 0;
176 return 0;
177
178 case MOUSE_GETMODE: /* get protocol/mode */
179 mode = (mousemode_t *)data;
180 mode->level = mouse_level;
181 switch (mode->level) {
182 case 0: /* emulate MouseSystems protocol */
183 mode->protocol = MOUSE_PROTO_MSC;
184 mode->rate = -1; /* unknown */
185 mode->resolution = -1; /* unknown */
186 mode->accelfactor = 0; /* disabled */
187 mode->packetsize = MOUSE_MSC_PACKETSIZE;
188 mode->syncmask[0] = MOUSE_MSC_SYNCMASK;
189 mode->syncmask[1] = MOUSE_MSC_SYNC;
190 break;
191
192 case 1: /* sysmouse protocol */
193 mode->protocol = MOUSE_PROTO_SYSMOUSE;
194 mode->rate = -1;
195 mode->resolution = -1;
196 mode->accelfactor = 0;
197 mode->packetsize = MOUSE_SYS_PACKETSIZE;
198 mode->syncmask[0] = MOUSE_SYS_SYNCMASK;
199 mode->syncmask[1] = MOUSE_SYS_SYNC;
200 break;
201 }
202 return 0;
203
204 case MOUSE_SETMODE: /* set protocol/mode */
205 mode = (mousemode_t *)data;
206 if (mode->level == -1)
207 ; /* don't change the current setting */
208 else if ((mode->level < 0) || (mode->level > 1))
209 return EINVAL;
210 else
211 mouse_level = mode->level;
212 return 0;
213
214 case MOUSE_GETLEVEL: /* get operation level */
215 *(int *)data = mouse_level;
216 return 0;
217
218 case MOUSE_SETLEVEL: /* set operation level */
219 if ((*(int *)data < 0) || (*(int *)data > 1))
220 return EINVAL;
221 mouse_level = *(int *)data;
222 return 0;
223
224 case MOUSE_GETSTATUS: /* get accumulated mouse events */
6bc31f17 225 crit_enter();
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226 *(mousestatus_t *)data = mouse_status;
227 mouse_status.flags = 0;
228 mouse_status.obutton = mouse_status.button;
229 mouse_status.dx = 0;
230 mouse_status.dy = 0;
231 mouse_status.dz = 0;
6bc31f17 232 crit_exit();
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233 return 0;
234
235#if notyet
236 case MOUSE_GETVARS: /* get internal mouse variables */
237 case MOUSE_SETVARS: /* set internal mouse variables */
238 return ENODEV;
239#endif
240
241 case MOUSE_READSTATE: /* read status from the device */
242 case MOUSE_READDATA: /* read data from the device */
243 return ENODEV;
244 }
245
41c20dac 246 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, td);
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247 if (error != ENOIOCTL)
248 return error;
249 error = ttioctl(tp, cmd, data, flag);
250 if (error != ENOIOCTL)
251 return error;
252 return ENOTTY;
253}
254
255static void
256sm_attach_mouse(void *unused)
257{
258 dev_t dev;
259
e4c9c0c8 260 cdevsw_add(&sm_cdevsw, -1, SC_MOUSE);
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261 dev = make_dev(&sm_cdevsw, SC_MOUSE, UID_ROOT, GID_WHEEL, 0600,
262 "sysmouse");
263 /* sysmouse doesn't have scr_stat */
264}
265
266SYSINIT(sysmouse, SI_SUB_DRIVERS, SI_ORDER_MIDDLE + CDEV_MAJOR,
267 sm_attach_mouse, NULL)
268
269int
270sysmouse_event(mouse_info_t *info)
271{
272 /* MOUSE_BUTTON?DOWN -> MOUSE_MSC_BUTTON?UP */
273 static int butmap[8] = {
274 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP,
275 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP,
276 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP,
277 MOUSE_MSC_BUTTON3UP,
278 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP,
279 MOUSE_MSC_BUTTON2UP,
280 MOUSE_MSC_BUTTON1UP,
281 0,
282 };
283 u_char buf[8];
284 int x, y, z;
285 int i;
286
287 switch (info->operation) {
288 case MOUSE_ACTION:
289 mouse_status.button = info->u.data.buttons;
290 /* FALL THROUGH */
291 case MOUSE_MOTION_EVENT:
292 x = info->u.data.x;
293 y = info->u.data.y;
294 z = info->u.data.z;
295 break;
296 case MOUSE_BUTTON_EVENT:
297 x = y = z = 0;
298 if (info->u.event.value > 0)
299 mouse_status.button |= info->u.event.id;
300 else
301 mouse_status.button &= ~info->u.event.id;
302 break;
303 default:
304 return 0;
305 }
306
307 mouse_status.dx += x;
308 mouse_status.dy += y;
309 mouse_status.dz += z;
310 mouse_status.flags |= ((x || y || z) ? MOUSE_POSCHANGED : 0)
311 | (mouse_status.obutton ^ mouse_status.button);
312 if (mouse_status.flags == 0)
313 return 0;
314
315 if ((sysmouse_tty == NULL) || !(sysmouse_tty->t_state & TS_ISOPEN))
316 return mouse_status.flags;
317
318 /* the first five bytes are compatible with MouseSystems' */
319 buf[0] = MOUSE_MSC_SYNC
320 | butmap[mouse_status.button & MOUSE_STDBUTTONS];
321 x = imax(imin(x, 255), -256);
322 buf[1] = x >> 1;
323 buf[3] = x - buf[1];
324 y = -imax(imin(y, 255), -256);
325 buf[2] = y >> 1;
326 buf[4] = y - buf[2];
327 for (i = 0; i < MOUSE_MSC_PACKETSIZE; ++i)
328 (*linesw[sysmouse_tty->t_line].l_rint)(buf[i], sysmouse_tty);
329 if (mouse_level >= 1) {
330 /* extended part */
331 z = imax(imin(z, 127), -128);
332 buf[5] = (z >> 1) & 0x7f;
333 buf[6] = (z - (z >> 1)) & 0x7f;
334 /* buttons 4-10 */
335 buf[7] = (~mouse_status.button >> 3) & 0x7f;
336 for (i = MOUSE_MSC_PACKETSIZE; i < MOUSE_SYS_PACKETSIZE; ++i)
337 (*linesw[sysmouse_tty->t_line].l_rint)(buf[i],
338 sysmouse_tty);
339 }
340
341 return mouse_status.flags;
342}
343
344#endif /* !SC_NO_SYSMOUSE */