DEVFS - remove dev_ops_add(), dev_ops_get(), and get_dev()
[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 $
b13267a5 27 * $DragonFly: src/sys/dev/misc/syscons/sysmouse.c,v 1.12 2006/09/10 01:26:35 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>
895c1f85 36#include <sys/priv.h>
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37#include <sys/tty.h>
38#include <sys/kernel.h>
6bc31f17 39#include <sys/thread2.h>
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40
41#include <machine/console.h>
42#include <machine/mouse.h>
43
1f2de5d4 44#include "syscons.h"
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45
46#ifndef SC_NO_SYSMOUSE
47
48#define CDEV_MAJOR 12 /* major number, shared with syscons */
49#define SC_MOUSE 128 /* minor number */
50
51static d_open_t smopen;
52static d_close_t smclose;
53static d_ioctl_t smioctl;
54
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55static struct dev_ops sm_ops = {
56 { "sysmouse", CDEV_MAJOR, D_TTY },
57 .d_open = smopen,
58 .d_close = smclose,
59 .d_read = ttyread,
60 .d_ioctl = smioctl,
61 .d_poll = ttypoll,
a32446b7 62 .d_revoke = ttyrevoke
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63};
64
65/* local variables */
66static struct tty *sysmouse_tty;
67static int mouse_level; /* sysmouse protocol level */
68static mousestatus_t mouse_status;
69
70static void smstart(struct tty *tp);
71static int smparam(struct tty *tp, struct termios *t);
72
73static int
fef8985e 74smopen(struct dev_open_args *ap)
984263bc 75{
b13267a5 76 cdev_t dev = ap->a_head.a_dev;
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77 struct tty *tp;
78
79 DPRINTF(5, ("smopen: dev:%d,%d, vty:%d\n",
80 major(dev), minor(dev), SC_VTY(dev)));
81
82#if 0
83 if (SC_VTY(dev) != SC_MOUSE)
84 return ENXIO;
85#endif
86
87 tp = dev->si_tty = ttymalloc(dev->si_tty);
88 if (!(tp->t_state & TS_ISOPEN)) {
89 sysmouse_tty = tp;
90 tp->t_oproc = smstart;
91 tp->t_param = smparam;
92 tp->t_stop = nottystop;
93 tp->t_dev = dev;
94 ttychars(tp);
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95 tp->t_iflag = 0;
96 tp->t_oflag = 0;
97 tp->t_lflag = 0;
984263bc 98 tp->t_cflag = TTYDEF_CFLAG;
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99 tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
100 smparam(tp, &tp->t_termios);
101 (*linesw[tp->t_line].l_modem)(tp, 1);
895c1f85 102 } else if (tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0)) {
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103 return EBUSY;
104 }
105
106 return (*linesw[tp->t_line].l_open)(dev, tp);
107}
108
109static int
fef8985e 110smclose(struct dev_close_args *ap)
984263bc 111{
b13267a5 112 cdev_t dev = ap->a_head.a_dev;
984263bc 113 struct tty *tp;
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114
115 tp = dev->si_tty;
6bc31f17 116 crit_enter();
984263bc 117 mouse_level = 0;
fef8985e 118 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag);
984263bc 119 ttyclose(tp);
6bc31f17 120 crit_exit();
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121
122 return 0;
123}
124
125static void
126smstart(struct tty *tp)
127{
128 struct clist *rbp;
129 u_char buf[PCBURST];
984263bc 130
6bc31f17 131 crit_enter();
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132 if (!(tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP))) {
133 tp->t_state |= TS_BUSY;
134 rbp = &tp->t_outq;
135 while (rbp->c_cc)
136 q_to_b(rbp, buf, PCBURST);
137 tp->t_state &= ~TS_BUSY;
138 ttwwakeup(tp);
139 }
6bc31f17 140 crit_exit();
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141}
142
143static int
144smparam(struct tty *tp, struct termios *t)
145{
146 tp->t_ispeed = t->c_ispeed;
147 tp->t_ospeed = t->c_ospeed;
148 tp->t_cflag = t->c_cflag;
149 return 0;
150}
151
152static int
fef8985e 153smioctl(struct dev_ioctl_args *ap)
984263bc 154{
b13267a5 155 cdev_t dev = ap->a_head.a_dev;
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156 struct tty *tp;
157 mousehw_t *hw;
158 mousemode_t *mode;
159 int error;
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160
161 tp = dev->si_tty;
984263bc 162
fef8985e 163 switch (ap->a_cmd) {
984263bc 164 case MOUSE_GETHWINFO: /* get device information */
fef8985e 165 hw = (mousehw_t *)ap->a_data;
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166 hw->buttons = 10; /* XXX unknown */
167 hw->iftype = MOUSE_IF_SYSMOUSE;
168 hw->type = MOUSE_MOUSE;
169 hw->model = MOUSE_MODEL_GENERIC;
170 hw->hwid = 0;
171 return 0;
172
173 case MOUSE_GETMODE: /* get protocol/mode */
fef8985e 174 mode = (mousemode_t *)ap->a_data;
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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;
185 break;
186
187 case 1: /* sysmouse protocol */
188 mode->protocol = MOUSE_PROTO_SYSMOUSE;
189 mode->rate = -1;
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;
195 break;
196 }
197 return 0;
198
199 case MOUSE_SETMODE: /* set protocol/mode */
fef8985e 200 mode = (mousemode_t *)ap->a_data;
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201 if (mode->level == -1)
202 ; /* don't change the current setting */
203 else if ((mode->level < 0) || (mode->level > 1))
204 return EINVAL;
205 else
206 mouse_level = mode->level;
207 return 0;
208
209 case MOUSE_GETLEVEL: /* get operation level */
fef8985e 210 *(int *)ap->a_data = mouse_level;
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211 return 0;
212
213 case MOUSE_SETLEVEL: /* set operation level */
fef8985e 214 if ((*(int *)ap->a_data < 0) || (*(int *)ap->a_data > 1))
984263bc 215 return EINVAL;
fef8985e 216 mouse_level = *(int *)ap->a_data;
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217 return 0;
218
219 case MOUSE_GETSTATUS: /* get accumulated mouse events */
6bc31f17 220 crit_enter();
fef8985e 221 *(mousestatus_t *)ap->a_data = mouse_status;
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222 mouse_status.flags = 0;
223 mouse_status.obutton = mouse_status.button;
224 mouse_status.dx = 0;
225 mouse_status.dy = 0;
226 mouse_status.dz = 0;
6bc31f17 227 crit_exit();
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228 return 0;
229
230#if notyet
231 case MOUSE_GETVARS: /* get internal mouse variables */
232 case MOUSE_SETVARS: /* set internal mouse variables */
233 return ENODEV;
234#endif
235
236 case MOUSE_READSTATE: /* read status from the device */
237 case MOUSE_READDATA: /* read data from the device */
238 return ENODEV;
239 }
240
fef8985e 241 error = (*linesw[tp->t_line].l_ioctl)(tp, ap->a_cmd, ap->a_data, ap->a_fflag, ap->a_cred);
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242 if (error != ENOIOCTL)
243 return error;
fef8985e 244 error = ttioctl(tp, ap->a_cmd, ap->a_data, ap->a_fflag);
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245 if (error != ENOIOCTL)
246 return error;
247 return ENOTTY;
248}
249
250static void
251sm_attach_mouse(void *unused)
252{
b13267a5 253 cdev_t dev;
984263bc 254
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255 dev = make_dev(&sm_ops, SC_MOUSE, UID_ROOT, GID_WHEEL,
256 0600, "sysmouse");
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257 /* sysmouse doesn't have scr_stat */
258}
259
260SYSINIT(sysmouse, SI_SUB_DRIVERS, SI_ORDER_MIDDLE + CDEV_MAJOR,
261 sm_attach_mouse, NULL)
262
263int
264sysmouse_event(mouse_info_t *info)
265{
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,
271 MOUSE_MSC_BUTTON3UP,
272 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP,
273 MOUSE_MSC_BUTTON2UP,
274 MOUSE_MSC_BUTTON1UP,
275 0,
276 };
277 u_char buf[8];
278 int x, y, z;
279 int i;
280
281 switch (info->operation) {
282 case MOUSE_ACTION:
283 mouse_status.button = info->u.data.buttons;
284 /* FALL THROUGH */
285 case MOUSE_MOTION_EVENT:
286 x = info->u.data.x;
287 y = info->u.data.y;
288 z = info->u.data.z;
289 break;
290 case MOUSE_BUTTON_EVENT:
291 x = y = z = 0;
292 if (info->u.event.value > 0)
293 mouse_status.button |= info->u.event.id;
294 else
295 mouse_status.button &= ~info->u.event.id;
296 break;
297 default:
298 return 0;
299 }
300
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)
307 return 0;
308
309 if ((sysmouse_tty == NULL) || !(sysmouse_tty->t_state & TS_ISOPEN))
310 return mouse_status.flags;
311
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);
316 buf[1] = x >> 1;
317 buf[3] = x - buf[1];
318 y = -imax(imin(y, 255), -256);
319 buf[2] = y >> 1;
320 buf[4] = y - buf[2];
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) {
324 /* extended part */
325 z = imax(imin(z, 127), -128);
326 buf[5] = (z >> 1) & 0x7f;
327 buf[6] = (z - (z >> 1)) & 0x7f;
328 /* buttons 4-10 */
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],
332 sysmouse_tty);
333 }
334
335 return mouse_status.flags;
336}
337
338#endif /* !SC_NO_SYSMOUSE */