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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/* $NetBSD: kftxx.c,v 1.9 1998/05/14 00:01:32 thorpej Exp $ */
/*
* Copyright (c) 1997, 2000 by Matthew Jacob
* NASA AMES Research Center.
* 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 immediately at the beginning of the file, without modification,
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*/
/*
* KFTIA and KFTHA Bus Adapter Node for I/O hoses
* found on AlphaServer 8200 and 8400 systems.
*
* i.e., handler for all TLSB I/O nodes.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/rpb.h>
#include <alpha/tlsb/tlsbreg.h>
#include <alpha/tlsb/tlsbvar.h>
#include <alpha/tlsb/kftxxreg.h>
#include <alpha/tlsb/kftxxvar.h>
struct kft_softc {
int sc_node; /* TLSB node */
u_int16_t sc_dtype; /* device type */
};
/*
* Instance variables for kft devices.
*/
struct kft_device {
char * kd_name; /* name */
int kd_node; /* node number */
u_int16_t kd_dtype; /* device type */
u_int16_t kd_hosenum; /* hose number */
};
#define KV(_addr) ((caddr_t)ALPHA_PHYS_TO_K0SEG((_addr)))
static devclass_t kft_devclass;
/*
* Device methods
*/
static int kft_probe(device_t);
static int kft_print_child(device_t, device_t);
static int kft_read_ivar(device_t, device_t, int, u_long *);
static device_method_t kft_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, kft_probe),
DEVMETHOD(device_attach, bus_generic_attach),
DEVMETHOD(device_detach, bus_generic_detach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
/* Bus interface */
DEVMETHOD(bus_print_child, kft_print_child),
DEVMETHOD(bus_read_ivar, kft_read_ivar),
DEVMETHOD(bus_write_ivar, bus_generic_write_ivar),
DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
{ 0, 0 }
};
static driver_t kft_driver = {
"kft",
kft_methods,
1, /* no softc */
};
static int
kft_probe(device_t dev)
{
static int dun;
device_t cd;
struct kft_softc *sc = (struct kft_softc *) device_get_softc(dev);
struct kft_device *kd;
int hose;
if (!TLDEV_ISIOPORT(tlsb_get_dtype(dev)))
return ENXIO;
sc->sc_node = tlsb_get_node(dev);
sc->sc_dtype = tlsb_get_dtype(dev);
for (hose = 0; hose < MAXHOSE; hose++) {
u_int32_t value =
TLSB_GET_NODEREG(sc->sc_node, KFT_IDPNSEX(hose));
if (value & 0x0E000000) {
printf("%s: Hose %d IDPNSE has %x\n",
device_get_nameunit(dev),
hose, value);
continue;
}
if ((value & 0x1) != 0x0) {
printf("%s: Hose %d has a Bad Cable (0x%x)\n",
device_get_nameunit(dev),
hose, value);
continue;
}
if ((value & 0x6) != 0x6) {
if (value)
printf("%s: Hose %d is missing PWROK (0x%x)\n",
device_get_nameunit(dev),
hose, value);
continue;
}
kd = (struct kft_device *)
malloc(sizeof(struct kft_device), M_DEVBUF, M_NOWAIT);
if (kd == NULL)
continue;
kd->kd_name = "pcib";
kd->kd_node = sc->sc_node;
kd->kd_dtype = sc->sc_dtype;
kd->kd_hosenum = hose;
cd = device_add_child_ordered(dev, hose, kd->kd_name, dun++);
device_set_ivars(cd, kd);
}
return 0;
}
static int
kft_print_child(device_t bus, device_t dev)
{
struct kft_device *kd = (struct kft_device*) device_get_ivars(dev);
int retval = 0;
retval += bus_print_child_header(bus, dev);
retval += printf(" on %s hose %d\n", device_get_nameunit(bus),
kd->kd_hosenum);
return (retval);
}
static int
kft_read_ivar(device_t bus, device_t dev,
int index, u_long* result)
{
struct kft_device *kd = (struct kft_device*) device_get_ivars(dev);
switch (index) {
case KFT_IVAR_NAME:
*result = (u_long) kd->kd_name;
return 0;
case KFT_IVAR_NODE:
*result = (u_long) kd->kd_node;
return 0;
case KFT_IVAR_DTYPE:
*result = (u_long) kd->kd_dtype;
return 0;
case KFT_IVAR_HOSENUM:
*result = (u_long) kd->kd_hosenum;
return 0;
default:
return ENOENT;
}
}
DRIVER_MODULE(kft, tlsb, kft_driver, kft_devclass, 0, 0);
|
