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
|
/* $OpenBSD: if_pgt_pci.c,v 1.18 2015/12/11 16:07:02 mpi Exp $ */
/*
* Copyright (c) 2006 Marcus Glocker <mglocker@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* PCI front-end for the PrismGT
*/
#include "bpfilter.h"
#include <sys/param.h>
#include <sys/sockio.h>
#include <sys/mbuf.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/timeout.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <net/if.h>
#include <net/if_media.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_radiotap.h>
#include <dev/ic/pgtreg.h>
#include <dev/ic/pgtvar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
/* Base Address Register */
#define PGT_PCI_BAR0 0x10
int pgt_pci_match(struct device *, void *, void *);
void pgt_pci_attach(struct device *, struct device *, void *);
int pgt_pci_detach(struct device *, int);
struct pgt_pci_softc {
struct pgt_softc sc_pgt;
pci_chipset_tag_t sc_pc;
void *sc_ih;
bus_size_t sc_mapsize;
};
struct cfattach pgt_pci_ca = {
sizeof(struct pgt_pci_softc), pgt_pci_match, pgt_pci_attach,
pgt_pci_detach, pgt_activate
};
const struct pci_matchid pgt_pci_devices[] = {
{ PCI_VENDOR_INTERSIL, PCI_PRODUCT_INTERSIL_ISL3877 },
{ PCI_VENDOR_INTERSIL, PCI_PRODUCT_INTERSIL_ISL3890 },
{ PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3CRWE154G72 }
};
int
pgt_pci_match(struct device *parent, void *match, void *aux)
{
return (pci_matchbyid((struct pci_attach_args *)aux, pgt_pci_devices,
sizeof(pgt_pci_devices) / sizeof(pgt_pci_devices[0])));
}
void
pgt_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct pgt_pci_softc *psc = (struct pgt_pci_softc *)self;
struct pgt_softc *sc = &psc->sc_pgt;
struct pci_attach_args *pa = aux;
const char *intrstr = NULL;
pci_intr_handle_t ih;
int error;
sc->sc_dmat = pa->pa_dmat;
psc->sc_pc = pa->pa_pc;
/* remember chipset */
if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTERSIL_ISL3877)
sc->sc_flags |= SC_ISL3877;
/* map control / status registers */
error = pci_mapreg_map(pa, PGT_PCI_BAR0,
PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
&sc->sc_iotag, &sc->sc_iohandle, NULL, &psc->sc_mapsize, 0);
if (error != 0) {
printf(": can't map mem space\n");
return;
}
/* map interrupt */
if (pci_intr_map(pa, &ih) != 0) {
printf(": can't map interrupt\n");
return;
}
/* disable all interrupts */
bus_space_write_4(sc->sc_iotag, sc->sc_iohandle, PGT_REG_INT_EN, 0);
(void)bus_space_read_4(sc->sc_iotag, sc->sc_iohandle, PGT_REG_INT_EN);
DELAY(PGT_WRITEIO_DELAY);
/* establish interrupt */
intrstr = pci_intr_string(psc->sc_pc, ih);
psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, pgt_intr, sc,
sc->sc_dev.dv_xname);
if (psc->sc_ih == NULL) {
printf(": can't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
printf(": %s\n", intrstr);
config_mountroot(self, pgt_attach);
}
int
pgt_pci_detach(struct device *self, int flags)
{
struct pgt_pci_softc *psc = (struct pgt_pci_softc *)self;
struct pgt_softc *sc = &psc->sc_pgt;
if (psc->sc_ih != NULL) {
pgt_detach(sc);
pci_intr_disestablish(psc->sc_pc, psc->sc_ih);
}
if (psc->sc_mapsize > 0)
bus_space_unmap(sc->sc_iotag, sc->sc_iohandle,
psc->sc_mapsize);
return (0);
}
|
