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
|
/* $OpenBSD: lebuffer.c,v 1.7 2008/12/26 15:13:07 miod Exp $ */
/* $NetBSD: lebuffer.c,v 1.3 1997/05/24 20:16:28 pk Exp $ */
/*
* Copyright (c) 1996 Paul Kranenburg. 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 Peter Galbavy.
* 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/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/buf.h>
#include <sys/proc.h>
#include <sys/user.h>
#include <sparc/autoconf.h>
#include <sparc/cpu.h>
#include <sparc/dev/sbusvar.h>
#include <sparc/dev/lebuffervar.h>
#include <sparc/dev/dmareg.h>/*XXX*/
int lebufprint(void *, const char *);
int lebufmatch(struct device *, void *, void *);
void lebufattach(struct device *, struct device *, void *);
struct cfattach lebuffer_ca = {
sizeof(struct lebuf_softc), lebufmatch, lebufattach
};
struct cfdriver lebuffer_cd = {
NULL, "lebuffer", DV_DULL
};
int
lebufprint(aux, name)
void *aux;
const char *name;
{
register struct confargs *ca = aux;
if (name)
printf("%s at %s", ca->ca_ra.ra_name, name);
printf(" offset 0x%x", ca->ca_offset);
return (UNCONF);
}
/*
* Match a lebuffer card in a slot capable of dma.
*/
int
lebufmatch(parent, vcf, aux)
struct device *parent;
void *vcf, *aux;
{
struct cfdata *cf = vcf;
struct confargs *ca = aux;
register struct romaux *ra = &ca->ca_ra;
if (strcmp(cf->cf_driver->cd_name, ra->ra_name))
return(0);
if (!sbus_testdma((struct sbus_softc *)parent, ca))
return(0);
return (1);
}
/*
* Attach all the sub-devices we can find
*/
void
lebufattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
#if defined(SUN4C) || defined(SUN4M)
register struct confargs *ca = aux;
struct lebuf_softc *sc = (void *)self;
int node;
struct confargs oca;
char *name;
int sbusburst;
if (ca->ca_ra.ra_vaddr == NULL || ca->ca_ra.ra_nvaddrs == 0)
ca->ca_ra.ra_vaddr =
mapiodev(ca->ca_ra.ra_reg, 0, ca->ca_ra.ra_len);
/*
* This device's "register space" is just a buffer where the
* Lance ring-buffers can be stored. Note the buffer's location
* and size, so the `le' driver can pick them up.
*/
sc->sc_buffer = (caddr_t)ca->ca_ra.ra_vaddr;
sc->sc_bufsiz = ca->ca_ra.ra_len;
/*
* Get transfer burst size from PROM
*/
sbusburst = ((struct sbus_softc *)parent)->sc_burst;
if (sbusburst == 0)
sbusburst = SBUS_BURST_32 - 1; /* 1->16 */
sc->sc_burst = getpropint(ca->ca_ra.ra_node, "burst-sizes", -1);
if (sc->sc_burst == -1)
/* take SBus burst sizes */
sc->sc_burst = sbusburst;
/* Clamp at parent's burst sizes */
sc->sc_burst &= sbusburst;
printf(": %dK memory\n", sc->sc_bufsiz / 1024);
node = sc->sc_node = ca->ca_ra.ra_node;
/* Propagate bootpath */
if (ca->ca_ra.ra_bp != NULL)
oca.ca_ra.ra_bp = ca->ca_ra.ra_bp + 1;
else
oca.ca_ra.ra_bp = NULL;
/* search through children */
for (node = firstchild(node); node; node = nextsibling(node)) {
name = getpropstring(node, "name");
if (!romprop(&oca.ca_ra, name, node))
continue;
sbus_translate(parent, &oca);
oca.ca_bustype = BUS_SBUS;
(void) config_found(&sc->sc_dev, (void *)&oca, lebufprint);
}
#endif /* SUN4C || SUN4M */
}
|
