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
175
176
177
178
179
|
/* $OpenBSD: vmel.c,v 1.8 2002/03/14 01:26:39 millert 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Theo de Raadt
* 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.
*/
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/proc.h>
#include <sys/user.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <machine/cpu.h>
#include <machine/autoconf.h>
#include <mvme88k/dev/vme.h>
/*
* The VMEL driver deals with D32 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 vmelattach(struct device *, struct device *, void *);
int vmelmatch(struct device *, void *, void *);
struct cfattach vmel_ca = {
sizeof(struct vmelsoftc), vmelmatch, vmelattach
};
struct cfdriver vmel_cd = {
NULL, "vmel", DV_DULL, 0
};
int vmelscan(struct device *, void *, void*);
int vmelopen(dev_t, int, int);
int vmelclose(dev_t, int, int);
int vmelioctl(dev_t, int, caddr_t, int, struct proc *);
int vmelread(dev_t, struct uio *, int);
int vmelwrite(dev_t, struct uio *, int);
paddr_t vmelmmap(dev_t, off_t, int);
int
vmelmatch(parent, cf, args)
struct device *parent;
void *cf, *args;
{
return (1);
}
int
vmelscan(parent, child, args)
struct device *parent;
void *child, *args;
{
return (vmescan(parent, child, args, BUS_VMEL));
}
void
vmelattach(parent, self, args)
struct device *parent, *self;
void *args;
{
struct vmelsoftc *sc = (struct vmelsoftc *)self;
printf("\n");
sc->sc_vme = (struct vmesoftc *)parent;
config_search(vmelscan, self, args);
}
/*ARGSUSED*/
int
vmelopen(dev, flag, mode)
dev_t dev;
int flag, mode;
{
if (minor(dev) >= vmel_cd.cd_ndevs ||
vmel_cd.cd_devs[minor(dev)] == NULL)
return (ENODEV);
return (0);
}
/*ARGSUSED*/
int
vmelclose(dev, flag, mode)
dev_t dev;
int flag, mode;
{
return (0);
}
/*ARGSUSED*/
int
vmelioctl(dev, cmd, data, flag, p)
dev_t dev;
caddr_t data;
int cmd, flag;
struct proc *p;
{
int error = 0;
switch (cmd) {
default:
error = ENOTTY;
break;
}
return (error);
}
int
vmelread(dev, uio, flags)
dev_t dev;
struct uio *uio;
int flags;
{
int unit = minor(dev);
struct vmelsoftc *sc = (struct vmelsoftc *) vmel_cd.cd_devs[unit];
return (vmerw(sc->sc_vme, uio, flags, BUS_VMEL));
}
int
vmelwrite(dev, uio, flags)
dev_t dev;
struct uio *uio;
int flags;
{
int unit = minor(dev);
struct vmelsoftc *sc = (struct vmelsoftc *) vmel_cd.cd_devs[unit];
return (vmerw(sc->sc_vme, uio, flags, BUS_VMEL));
}
paddr_t
vmelmmap(dev, off, prot)
dev_t dev;
off_t off;
int prot;
{
int unit = minor(dev);
struct vmelsoftc *sc = (struct vmelsoftc *) vmel_cd.cd_devs[unit];
void * pa;
pa = vmepmap(sc->sc_vme, off, NBPG, BUS_VMEL);
printf("vmel %x pa %x\n", off, pa);
if (pa == NULL)
return (-1);
return (atop(pa));
}
|
