Annotation of sys/arch/vax/dec/dzms.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: dzms.c,v 1.7 2006/08/27 16:52:15 miod Exp $ */
2: /* $NetBSD: dzms.c,v 1.1 2000/12/02 17:03:55 ragge Exp $ */
3:
4: /*
5: * Copyright (c) 1992, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * This software was developed by the Computer Systems Engineering group
9: * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
10: * contributed to Berkeley.
11: *
12: * All advertising materials mentioning features or use of this software
13: * must display the following acknowledgement:
14: * This product includes software developed by the University of
15: * California, Lawrence Berkeley Laboratory.
16: *
17: * Redistribution and use in source and binary forms, with or without
18: * modification, are permitted provided that the following conditions
19: * are met:
20: * 1. Redistributions of source code must retain the above copyright
21: * notice, this list of conditions and the following disclaimer.
22: * 2. Redistributions in binary form must reproduce the above copyright
23: * notice, this list of conditions and the following disclaimer in the
24: * documentation and/or other materials provided with the distribution.
25: * 3. Neither the name of the University nor the names of its contributors
26: * may be used to endorse or promote products derived from this software
27: * without specific prior written permission.
28: *
29: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39: * SUCH DAMAGE.
40: *
41: * @(#)ms.c 8.1 (Berkeley) 6/11/93
42: */
43:
44: /*
45: * VSXXX mice attached to line 1 of the DZ*
46: */
47:
48: #include <sys/param.h>
49: #include <sys/systm.h>
50: #include <sys/device.h>
51: #include <sys/ioctl.h>
52: #include <sys/syslog.h>
53: #include <sys/kernel.h>
54: #include <sys/proc.h>
55: #include <sys/tty.h>
56:
57: #include <machine/bus.h>
58:
59: #include <vax/qbus/dzreg.h>
60: #include <vax/qbus/dzvar.h>
61:
62: #include <vax/dec/dzkbdvar.h>
63: #include <vax/dec/vsmsvar.h>
64:
65: #include <dev/wscons/wsconsio.h>
66: #include <dev/wscons/wsmousevar.h>
67:
68: struct dzms_softc { /* driver status information */
69: struct lkms_softc sc_base;
70: struct dz_linestate *dzms_ls;
71: };
72:
73: int dzms_match(struct device *, struct cfdata *, void *);
74: void dzms_attach(struct device *, struct device *, void *);
75:
76: struct cfattach dzms_ca = {
77: sizeof(struct dzms_softc), (cfmatch_t)dzms_match, dzms_attach,
78: };
79:
80: int dzms_enable(void *);
81: void dzms_disable(void *);
82:
83: const struct wsmouse_accessops dzms_accessops = {
84: dzms_enable,
85: lkms_ioctl,
86: dzms_disable,
87: };
88:
89: int
90: dzms_match(struct device *parent, struct cfdata *cf, void *aux)
91: {
92: struct dzkm_attach_args *daa = aux;
93:
94: #define DZCF_LINE 0
95: #define DZCF_LINE_DEFAULT 1
96:
97: /* Exact match is better than wildcard. */
98: if (cf->cf_loc[DZCF_LINE] == daa->daa_line)
99: return 2;
100:
101: /* This driver accepts wildcard. */
102: if (cf->cf_loc[DZCF_LINE] == DZCF_LINE_DEFAULT)
103: return 1;
104:
105: return 0;
106: }
107:
108: void
109: dzms_attach(struct device *parent, struct device *self, void *aux)
110: {
111: struct dz_softc *dz = (void *)parent;
112: struct dzms_softc *dzms = (void *)self;
113: struct lkms_softc *sc = (void *)self;
114: struct dzkm_attach_args *daa = aux;
115: struct dz_linestate *ls;
116: struct wsmousedev_attach_args a;
117:
118: dz->sc_dz[daa->daa_line].dz_catch = lkms_input;
119: dz->sc_dz[daa->daa_line].dz_private = dzms;
120: ls = &dz->sc_dz[daa->daa_line];
121: dzms->dzms_ls = ls;
122:
123: printf("\n");
124:
125: a.accessops = &dzms_accessops;
126: a.accesscookie = dzms;
127:
128: sc->sc_enabled = 0;
129: sc->sc_selftest = 0;
130: sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint);
131: }
132:
133: int
134: dzms_enable(void *v)
135: {
136: struct dzms_softc *dzms = v;
137: struct lkms_softc *sc = v;
138:
139: if (sc->sc_enabled)
140: return EBUSY;
141:
142: sc->sc_selftest = 4; /* wait for 4 byte reply upto 1/2 sec */
143: dzputc(dzms->dzms_ls, MOUSE_SELF_TEST);
144: (void)tsleep(&sc->sc_enabled, TTIPRI, "dzmsopen", hz / 2);
145: if (sc->sc_selftest != 0) {
146: sc->sc_selftest = 0;
147: return ENXIO;
148: }
149: DELAY(150);
150: dzputc(dzms->dzms_ls, MOUSE_INCREMENTAL);
151: sc->sc_enabled = 1;
152: sc->inputstate = 0;
153: return 0;
154: }
155:
156: void
157: dzms_disable(void *v)
158: {
159: struct lkms_softc *sc = v;
160:
161: sc->sc_enabled = 0;
162: }
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