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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/* $OpenBSD: vmes.c,v 1.13 2003/12/19 22:30:18 miod Exp $ */
/*
* Copyright (c) 1995 Theo de Raadt
* 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.
*
* 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.
*/
#include <sys/param.h>
#include <sys/proc.h>
#include <sys/user.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <machine/autoconf.h>
#include <machine/conf.h>
#include <machine/cpu.h>
#include <mvme88k/dev/vme.h>
/*
* The VMES driver deals with D16 transfers on the VME bus. The number
* of address bits (A16, A24, A32) is irrelevant since the mapping
* functions will decide how many address bits are relevant.
*/
void vmesattach(struct device *, struct device *, void *);
int vmesmatch(struct device *, void *, void *);
struct cfattach vmes_ca = {
sizeof(struct vmessoftc), vmesmatch, vmesattach
};
struct cfdriver vmes_cd = {
NULL, "vmes", DV_DULL, 0
};
int vmesscan(struct device *, void *, void *);
int
vmesmatch(parent, cf, args)
struct device *parent;
void *cf, *args;
{
return (1);
}
int
vmesscan(parent, child, args)
struct device *parent;
void *child, *args;
{
return (vmescan(parent, child, args, BUS_VMES));
}
void
vmesattach(parent, self, args)
struct device *parent, *self;
void *args;
{
struct vmessoftc *sc = (struct vmessoftc *)self;
printf("\n");
sc->sc_vme = (struct vmesoftc *)parent;
config_search(vmesscan, self, args);
}
/*ARGSUSED*/
int
vmesopen(dev, flag, mode, p)
dev_t dev;
int flag, mode;
struct proc *p;
{
if (minor(dev) >= vmes_cd.cd_ndevs ||
vmes_cd.cd_devs[minor(dev)] == NULL)
return (ENODEV);
return (0);
}
/*ARGSUSED*/
int
vmesclose(dev, flag, mode, p)
dev_t dev;
int flag, mode;
struct proc *p;
{
return (0);
}
/*ARGSUSED*/
int
vmesioctl(dev, cmd, data, flag, p)
dev_t dev;
u_long cmd;
caddr_t data;
int flag;
struct proc *p;
{
int error = 0;
switch (cmd) {
default:
error = ENOTTY;
break;
}
return (error);
}
int
vmesread(dev, uio, flags)
dev_t dev;
struct uio *uio;
int flags;
{
int unit = minor(dev);
struct vmessoftc *sc = (struct vmessoftc *) vmes_cd.cd_devs[unit];
return (vmerw(sc->sc_vme, uio, flags, BUS_VMES));
}
int
vmeswrite(dev, uio, flags)
dev_t dev;
struct uio *uio;
int flags;
{
int unit = minor(dev);
struct vmessoftc *sc = (struct vmessoftc *) vmes_cd.cd_devs[unit];
return (vmerw(sc->sc_vme, uio, flags, BUS_VMES));
}
paddr_t
vmesmmap(dev, off, prot)
dev_t dev;
off_t off;
int prot;
{
int unit = minor(dev);
struct vmessoftc *sc = (struct vmessoftc *) vmes_cd.cd_devs[unit];
void * pa;
pa = vmepmap(sc->sc_vme, off, NBPG, BUS_VMES);
#ifdef DEBUG
printf("vmes %llx pa %p\n", off, pa);
#endif
if (pa == NULL)
return (-1);
return (atop(pa));
}
|
