Annotation of sys/arch/vax/vxt/qscms.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: qscms.c,v 1.1 2006/08/27 16:55:41 miod Exp $ */
2: /* from OpenBSD: qscms.c,v 1.6 2006/07/31 18:50:13 miod Exp */
3: /*
4: * Copyright (c) 2006 Miodrag Vallat.
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice, this permission notice, and the disclaimer below
9: * appear in all copies.
10: *
11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18: */
19: /*
20: * Copyright (c) 1992, 1993
21: * The Regents of the University of California. All rights reserved.
22: *
23: * This software was developed by the Computer Systems Engineering group
24: * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
25: * contributed to Berkeley.
26: *
27: * All advertising materials mentioning features or use of this software
28: * must display the following acknowledgement:
29: * This product includes software developed by the University of
30: * California, Lawrence Berkeley Laboratory.
31: *
32: * Redistribution and use in source and binary forms, with or without
33: * modification, are permitted provided that the following conditions
34: * are met:
35: * 1. Redistributions of source code must retain the above copyright
36: * notice, this list of conditions and the following disclaimer.
37: * 2. Redistributions in binary form must reproduce the above copyright
38: * notice, this list of conditions and the following disclaimer in the
39: * documentation and/or other materials provided with the distribution.
40: * 3. Neither the name of the University nor the names of its contributors
41: * may be used to endorse or promote products derived from this software
42: * without specific prior written permission.
43: *
44: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
45: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
46: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
47: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
48: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
49: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
50: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
51: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
52: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
53: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
54: * SUCH DAMAGE.
55: *
56: * @(#)ms.c 8.1 (Berkeley) 6/11/93
57: */
58:
59: /*
60: * VSXXX mice attached to line D of the SC26C94
61: */
62:
63: #include <sys/param.h>
64: #include <sys/systm.h>
65: #include <sys/device.h>
66: #include <sys/ioctl.h>
67: #include <sys/syslog.h>
68: #include <sys/kernel.h>
69: #include <sys/proc.h>
70: #include <sys/tty.h>
71:
72: #include <machine/bus.h>
73:
74: #include <vax/qbus/dzreg.h>
75: #include <vax/qbus/dzvar.h>
76:
77: #include <vax/vxt/qscvar.h>
78: #include <vax/dec/vsmsvar.h>
79:
80: #include <dev/wscons/wsconsio.h>
81: #include <dev/wscons/wsmousevar.h>
82:
83: struct qscms_softc {
84: struct lkms_softc sc_base;
85: u_int sc_line;
86: };
87:
88: int qscms_match(struct device *, void *, void *);
89: void qscms_attach(struct device *, struct device *, void *);
90:
91: struct cfattach qscms_ca = {
92: sizeof(struct qscms_softc), qscms_match, qscms_attach,
93: };
94:
95: int qscms_enable(void *);
96: void qscms_disable(void *);
97:
98: const struct wsmouse_accessops qscms_accessops = {
99: qscms_enable,
100: lkms_ioctl,
101: qscms_disable,
102: };
103:
104: int
105: qscms_match(struct device *parent, void *vcf, void *aux)
106: {
107: struct qsc_attach_args *qa = aux;
108: struct cfdata *cf = vcf;
109:
110: if (cf->cf_loc[0] == qa->qa_line)
111: return 1;
112:
113: return 0;
114: }
115:
116: void
117: qscms_attach(struct device *parent, struct device *self, void *aux)
118: {
119: struct qscms_softc *qscms = (void *)self;
120: struct lkms_softc *sc = (void *)self;
121: struct qsc_attach_args *qa = aux;
122: struct wsmousedev_attach_args a;
123:
124: qa->qa_hook->fn = lkms_input;
125: qa->qa_hook->arg = self;
126: qscms->sc_line = qa->qa_line;
127:
128: printf("\n");
129:
130: a.accessops = &qscms_accessops;
131: a.accesscookie = qscms;
132:
133: sc->sc_enabled = 0;
134: sc->sc_selftest = 0;
135: sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
136: }
137:
138: int
139: qscms_enable(void *v)
140: {
141: struct qscms_softc *qscms = v;
142: struct lkms_softc *sc = v;
143:
144: if (sc->sc_enabled)
145: return EBUSY;
146:
147: sc->sc_selftest = 4; /* wait for 4 byte reply upto 1/2 sec */
148: qscputc(qscms->sc_line, MOUSE_SELF_TEST);
149: (void)tsleep(&sc->sc_enabled, TTIPRI, "qscmsopen", hz / 2);
150: if (sc->sc_selftest != 0) {
151: sc->sc_selftest = 0;
152: return ENXIO;
153: }
154: DELAY(150);
155: qscputc(qscms->sc_line, MOUSE_INCREMENTAL);
156: sc->sc_enabled = 1;
157: sc->inputstate = 0;
158: return 0;
159: }
160:
161: void
162: qscms_disable(void *v)
163: {
164: struct lkms_softc *sc = v;
165:
166: sc->sc_enabled = 0;
167: }
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