1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/* $OpenBSD: dzinput.c,v 1.1 2008/08/18 23:04:28 miod Exp $ */
/* $NetBSD: dz_ibus.c,v 1.15 1999/08/27 17:50:42 ragge Exp $ */
/*
* Copyright (c) 1998 Ludd, University of Lule}, Sweden.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed at Ludd, University of
* Lule}, Sweden and its contributors.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Common input routines used by dzkbd and dzms devices.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/tty.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <vax/qbus/dzreg.h>
#include <vax/qbus/dzvar.h>
#include <vax/dec/dzkbdvar.h>
#include <dev/cons.h>
cons_decl(dz);
int
dz_print(void *aux, const char *name)
{
struct dzkm_attach_args *dz_args = aux;
if (name != NULL)
printf(dz_args->daa_line == 0 ? "lkkbd at %s" : "lkms at %s",
name);
else
printf(" line %d", dz_args->daa_line);
return (UNCONF);
}
void
dzputc(struct dz_linestate *ls, int ch)
{
int line;
u_short tcr;
int s;
/*
* If the dz has already been attached, the MI
* driver will do the transmitting...
*/
if (ls && ls->dz_sc) {
s = spltty();
line = ls->dz_line;
putc(ch, &ls->dz_tty->t_outq);
tcr = DZ_READ_WORD(ls->dz_sc, dr_tcr);
if (!(tcr & (1 << line)))
DZ_WRITE_WORD(ls->dz_sc, dr_tcr, tcr | (1 << line));
dzxint(ls->dz_sc);
splx(s);
return;
}
/*
* Otherwise, use dzcnputc to do the transmitting.
* This situation only happens for a console keyboard, which is
* why the minor is hardcoded to the line number. Also, dzcnputc()
* does not care about the major number, so we skip a not-so-cheap
* getminor() call.
*/
dzcnputc(makedev(0 /*getmajor(dzopen)*/, 0), ch);
}
|
