1 /* $NetBSD: sunms.c,v 1.32 2013/09/15 14:13:19 martin Exp $ */
2
3 /*
4 * Copyright (c) 1992, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This software was developed by the Computer Systems Engineering group
8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9 * contributed to Berkeley.
10 *
11 * All advertising materials mentioning features or use of this software
12 * must display the following acknowledgement:
13 * This product includes software developed by the University of
14 * California, Lawrence Berkeley Laboratory.
15 *
16 * Redistribution and use in source and binary forms, with or without
17 * modification, are permitted provided that the following conditions
18 * are met:
19 * 1. Redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer.
21 * 2. Redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution.
24 * 3. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * @(#)ms.c 8.1 (Berkeley) 6/11/93
41 */
42
43 /*
44 * Mouse driver (/dev/mouse)
45 */
46
47 /*
48 * Zilog Z8530 Dual UART driver (mouse interface)
49 *
50 * This is the "slave" driver that will be attached to
51 * the "zsc" driver for a Sun mouse.
52 */
53
54 #include <sys/cdefs.h>
55 __KERNEL_RCSID(0, "$NetBSD: sunms.c,v 1.32 2013/09/15 14:13:19 martin Exp $");
56
57 #include <sys/param.h>
58 #include <sys/systm.h>
59 #include <sys/conf.h>
60 #include <sys/device.h>
61 #include <sys/ioctl.h>
62 #include <sys/kernel.h>
63 #include <sys/proc.h>
64 #include <sys/signal.h>
65 #include <sys/signalvar.h>
66 #include <sys/time.h>
67 #include <sys/select.h>
68 #include <sys/syslog.h>
69 #include <sys/fcntl.h>
70 #include <sys/tty.h>
71
72 #include <machine/vuid_event.h>
73
74 #include <dev/sun/event_var.h>
75 #include <dev/sun/msvar.h>
76 #include <dev/sun/kbd_ms_ttyvar.h>
77
78 #include <dev/wscons/wsconsio.h>
79 #include <dev/wscons/wsmousevar.h>
80
81 #include "ms.h"
82 #include "wsmouse.h"
83 #if NMS > 0
84
85 #ifdef SUN_MS_BPS
86 int sunms_bps = SUN_MS_BPS;
87 #else
88 int sunms_bps = MS_DEFAULT_BPS;
89 #endif
90
91 static int sunms_match(device_t, cfdata_t, void *);
92 static void sunms_attach(device_t, device_t, void *);
93 static int sunmsiopen(device_t, int mode);
94 int sunmsinput(int, struct tty *);
95
96 CFATTACH_DECL_NEW(ms_tty, sizeof(struct ms_softc),
97 sunms_match, sunms_attach, NULL, NULL);
98
99 struct linesw sunms_disc = {
100 .l_name = "sunms",
101 .l_open = ttylopen,
102 .l_close = ttylclose,
103 .l_read = ttyerrio,
104 .l_write = ttyerrio,
105 .l_ioctl = ttynullioctl,
106 .l_rint = sunmsinput,
107 .l_start = ttstart,
108 .l_modem = nullmodem,
109 .l_poll = ttpoll
110 };
111
112 int sunms_enable(void *);
113 int sunms_ioctl(void *, u_long, void *, int, struct lwp *);
114 void sunms_disable(void *);
115
116 const struct wsmouse_accessops sunms_accessops = {
117 sunms_enable,
118 sunms_ioctl,
119 sunms_disable,
120 };
121
122 /*
123 * ms_match: how is this zs channel configured?
124 */
125 int
sunms_match(device_t parent,cfdata_t cf,void * aux)126 sunms_match(device_t parent, cfdata_t cf, void *aux)
127 {
128 struct kbd_ms_tty_attach_args *args = aux;
129
130 if (sunms_bps == 0)
131 return 0;
132
133 if (strcmp(args->kmta_name, "mouse") == 0)
134 return (1);
135
136 return 0;
137 }
138
139 void
sunms_attach(device_t parent,device_t self,void * aux)140 sunms_attach(device_t parent, device_t self, void *aux)
141 {
142 struct ms_softc *ms = device_private(self);
143 struct kbd_ms_tty_attach_args *args = aux;
144 struct tty *tp = args->kmta_tp;
145 #if NWSMOUSE > 0
146 struct wsmousedev_attach_args a;
147 #endif
148
149 ms->ms_dev = self;
150 tp->t_sc = ms;
151 tp->t_dev = args->kmta_dev;
152 ms->ms_priv = tp;
153 ms->ms_deviopen = sunmsiopen;
154 ms->ms_deviclose = NULL;
155
156 aprint_normal("\n");
157
158 /* Initialize the speed, etc. */
159 if (ttyldisc_attach(&sunms_disc) != 0)
160 panic("sunms_attach: sunms_disc");
161 ttyldisc_release(tp->t_linesw);
162 tp->t_linesw = ttyldisc_lookup(sunms_disc.l_name);
163 KASSERT(tp->t_linesw == &sunms_disc);
164 tp->t_oflag &= ~OPOST;
165
166 /* Initialize translator. */
167 ms->ms_byteno = -1;
168
169 #if NWSMOUSE > 0
170 /*
171 * attach wsmouse
172 */
173 a.accessops = &sunms_accessops;
174 a.accesscookie = ms;
175
176 ms->ms_wsmousedev = config_found(self, &a, wsmousedevprint);
177 #endif
178 }
179
180 /*
181 * Internal open routine. This really should be inside com.c
182 * But I'm putting it here until we have a generic internal open
183 * mechanism.
184 */
185 int
sunmsiopen(device_t dev,int flags)186 sunmsiopen(device_t dev, int flags)
187 {
188 struct ms_softc *ms = device_private(dev);
189 struct tty *tp = ms->ms_priv;
190 struct lwp *l = curlwp ? curlwp : &lwp0;
191 struct termios t;
192 int error;
193
194 /* Open the lower device */
195 if ((error = cdev_open(tp->t_dev, O_NONBLOCK|flags,
196 0/* ignored? */, l)) != 0)
197 return (error);
198
199 /* Now configure it for the console. */
200 tp->t_ospeed = 0;
201 t.c_ispeed = sunms_bps;
202 t.c_ospeed = sunms_bps;
203 t.c_cflag = CLOCAL|CS8;
204 (*tp->t_param)(tp, &t);
205
206 return (0);
207 }
208
209 int
sunmsinput(int c,struct tty * tp)210 sunmsinput(int c, struct tty *tp)
211 {
212 struct ms_softc *ms = tp->t_sc;
213
214 if (c & TTY_ERRORMASK) c = -1;
215 else c &= TTY_CHARMASK;
216
217 /* Pass this up to the "middle" layer. */
218 ms_input(ms, c);
219 return (0);
220 }
221
222 int
sunms_ioctl(void * v,u_long cmd,void * data,int flag,struct lwp * l)223 sunms_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
224 {
225 /* struct ms_softc *sc = v; */
226
227 switch (cmd) {
228 case WSMOUSEIO_GTYPE:
229 *(u_int *)data = WSMOUSE_TYPE_PS2; /* XXX */
230 break;
231
232 default:
233 return (EPASSTHROUGH);
234 }
235 return (0);
236 }
237
238 int
sunms_enable(void * v)239 sunms_enable(void *v)
240 {
241 struct ms_softc *ms = v;
242 int err;
243 int s;
244
245 if (ms->ms_ready)
246 return EBUSY;
247
248 err = sunmsiopen(ms->ms_dev, 0);
249 if (err)
250 return err;
251
252 s = spltty();
253 ms->ms_ready = 2;
254 splx(s);
255
256 return 0;
257 }
258
259 void
sunms_disable(void * v)260 sunms_disable(void *v)
261 {
262 struct ms_softc *ms = v;
263 int s;
264
265 s = spltty();
266 ms->ms_ready = 0;
267 splx(s);
268 }
269 #endif
270