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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
/*-
* Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
* 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. 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.
*
* $FreeBSD$
*
*/
/*
* DEC PDQ FDDI Controller; code for BSD derived operating systems
*
* This module supports the DEC DEFPA PCI FDDI Controller
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <machine/bus_memio.h>
#include <machine/bus_pio.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_media.h>
#include <net/fddi.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pdq/pdq_freebsd.h>
#include <dev/pdq/pdqreg.h>
#define DEC_VENDORID 0x1011
#define DEFPA_CHIPID 0x000F
#define DEFPA_LATENCY 0x88
#define PCI_CFLT 0x0C /* Configuration Latency */
#define PCI_CBMA 0x10 /* Configuration Base Memory Address */
#define PCI_CBIO 0x14 /* Configuration Base I/O Address */
static int pdq_pci_probe (device_t);
static int pdq_pci_attach (device_t);
static int pdq_pci_detach (device_t);
static void pdq_pci_shutdown (device_t);
static void pdq_pci_ifintr (void *);
static void
pdq_pci_ifintr(void *arg)
{
device_t dev;
pdq_softc_t *sc;
dev = (device_t)arg;
sc = device_get_softc(dev);
PDQ_LOCK(sc);
(void) pdq_interrupt(sc->sc_pdq);
PDQ_UNLOCK(sc);
return;
}
/*
* This is the PCI configuration support.
*/
static int
pdq_pci_probe(device_t dev)
{
if (pci_get_vendor(dev) == DEC_VENDORID &&
pci_get_device(dev) == DEFPA_CHIPID) {
device_set_desc(dev, "Digital DEFPA PCI FDDI Controller");
return (0);
}
return (ENXIO);
}
static int
pdq_pci_attach(device_t dev)
{
pdq_softc_t *sc;
struct ifnet *ifp;
u_int32_t command;
int error;
sc = device_get_softc(dev);
ifp = &sc->arpcom.ac_if;
sc->dev = dev;
/*
* Map control/status registers.
*/
pci_enable_busmaster(dev);
pci_enable_io(dev, SYS_RES_IOPORT);
pci_enable_io(dev, SYS_RES_MEMORY);
command = pci_read_config(dev, PCIR_COMMAND, 4);
if (!(command & PCIM_CMD_PORTEN)) {
device_printf(dev, "Failed to enable PCI I/O ports.\n");
error = ENXIO;
goto bad;
}
if (!(command & PCIM_CMD_MEMEN)) {
device_printf(dev, "Failed to enable PCI memory mapping.\n");
error = ENXIO;
goto bad;
}
command = pci_read_config(dev, PCIR_LATTIMER, 1);
if (command < DEFPA_LATENCY) {
command = DEFPA_LATENCY;
pci_write_config(dev, PCIR_LATTIMER, command, 1);
}
sc->mem_rid = PCI_CBMA;
sc->mem_type = SYS_RES_MEMORY;
sc->mem = bus_alloc_resource(dev, sc->mem_type, &sc->mem_rid,
0, ~0, 1, RF_ACTIVE);
if (!sc->mem) {
device_printf(dev, "Unable to allocate I/O space resource.\n");
error = ENXIO;
goto bad;
}
sc->mem_bsh = rman_get_bushandle(sc->mem);
sc->mem_bst = rman_get_bustag(sc->mem);
sc->irq_rid = 0;
sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irq_rid,
0, ~0, 1, RF_SHAREABLE | RF_ACTIVE);
if (!sc->irq) {
device_printf(dev, "Unable to allocate interrupt resource.\n");
error = ENXIO;
goto bad;
}
ifp->if_name = "fpa";
ifp->if_unit = device_get_unit(dev);
sc->sc_pdq = pdq_initialize(sc->mem_bst, sc->mem_bsh,
ifp->if_name, ifp->if_unit,
(void *)sc, PDQ_DEFPA);
if (sc->sc_pdq == NULL) {
device_printf(dev, "Initialization failed.\n");
error = ENXIO;
goto bad;
}
error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
pdq_pci_ifintr, dev, &sc->irq_ih);
if (error) {
device_printf(dev, "Failed to setup interrupt handler.\n");
error = ENXIO;
goto bad;
}
bcopy((caddr_t) sc->sc_pdq->pdq_hwaddr.lanaddr_bytes,
(caddr_t) sc->arpcom.ac_enaddr, FDDI_ADDR_LEN);
pdq_ifattach(sc);
return (0);
bad:
pdq_free(dev);
return (error);
}
static int
pdq_pci_detach (dev)
device_t dev;
{
pdq_softc_t *sc;
sc = device_get_softc(dev);
pdq_ifdetach(sc);
return (0);
}
static void
pdq_pci_shutdown(device_t dev)
{
pdq_softc_t *sc;
sc = device_get_softc(dev);
pdq_hwreset(sc->sc_pdq);
return;
}
static device_method_t pdq_pci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, pdq_pci_probe),
DEVMETHOD(device_attach, pdq_pci_attach),
DEVMETHOD(device_detach, pdq_pci_detach),
DEVMETHOD(device_shutdown, pdq_pci_shutdown),
{ 0, 0 }
};
static driver_t pdq_pci_driver = {
"fpa",
pdq_pci_methods,
sizeof(pdq_softc_t),
};
DRIVER_MODULE(fpa, pci, pdq_pci_driver, pdq_devclass, 0, 0);
MODULE_DEPEND(fpa, pci, 1, 1, 1);
MODULE_DEPEND(fpa, fddi, 1, 1, 1);
|
