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
|
/* $OpenBSD: if_re_pci.c,v 1.17 2006/10/16 12:30:08 tom Exp $ */
/*
* Copyright (c) 2005 Peter Valchev <pvalchev@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 Realtek 8169
*/
#include <sys/param.h>
#include <sys/endian.h>
#include <sys/systm.h>
#include <sys/sockio.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/timeout.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_ether.h>
#endif
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#include <dev/ic/rtl81x9reg.h>
#include <dev/ic/revar.h>
struct re_pci_softc {
/* General */
struct rl_softc sc_rl;
/* PCI-specific data */
void *sc_ih;
pci_chipset_tag_t sc_pc;
pcitag_t sc_pcitag;
};
const struct pci_matchid re_pci_devices[] = {
{ PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8101E },
{ PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8168 },
{ PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8169 },
{ PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8169SC },
{ PCI_VENDOR_COREGA, PCI_PRODUCT_COREGA_CGLAPCIGT },
{ PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DGE528T },
{ PCI_VENDOR_USR2, PCI_PRODUCT_USR2_USR997902 },
{ PCI_VENDOR_TTTECH, PCI_PRODUCT_TTTECH_MC322 }
};
#define RE_LINKSYS_EG1032_SUBID 0x00241737
int re_pci_probe(struct device *, void *, void *);
void re_pci_attach(struct device *, struct device *, void *);
/*
* PCI autoconfig definitions
*/
struct cfattach re_pci_ca = {
sizeof(struct re_pci_softc),
re_pci_probe,
re_pci_attach
};
/*
* Probe for a Realtek 8169/8110 chip. Check the PCI vendor and device
* IDs against our list and return a device name if we find a match.
*/
int
re_pci_probe(struct device *parent, void *match, void *aux)
{
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
pcireg_t subid;
subid = pci_conf_read(pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
/* C+ mode 8139's */
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_REALTEK &&
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8139 &&
PCI_REVISION(pa->pa_class) == 0x20)
return (1);
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_LINKSYS &&
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_LINKSYS_EG1032 &&
subid == RE_LINKSYS_EG1032_SUBID)
return (1);
return (pci_matchbyid((struct pci_attach_args *)aux, re_pci_devices,
sizeof(re_pci_devices)/sizeof(re_pci_devices[0])));
}
/*
* PCI-specific attach routine
*/
void
re_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct re_pci_softc *psc = (struct re_pci_softc *)self;
struct rl_softc *sc = &psc->sc_rl;
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
pci_intr_handle_t ih;
const char *intrstr = NULL;
bus_size_t iosize;
pcireg_t command;
/*
* Handle power management nonsense.
*/
command = pci_conf_read(pc, pa->pa_tag, RL_PCI_CAPID) & 0x000000FF;
if (command == 0x01) {
u_int32_t iobase, membase, irq;
/* Save important PCI config data. */
iobase = pci_conf_read(pc, pa->pa_tag, RL_PCI_LOIO);
membase = pci_conf_read(pc, pa->pa_tag, RL_PCI_LOMEM);
irq = pci_conf_read(pc, pa->pa_tag, RL_PCI_INTLINE);
/* Reset the power state. */
printf(": chip is in D%d power mode "
"-- setting to D0", command & RL_PSTATE_MASK);
command &= 0xFFFFFFFC;
/* Restore PCI config data. */
pci_conf_write(pc, pa->pa_tag, RL_PCI_LOIO, iobase);
pci_conf_write(pc, pa->pa_tag, RL_PCI_LOMEM, membase);
pci_conf_write(pc, pa->pa_tag, RL_PCI_INTLINE, irq);
}
/*
* Map control/status registers.
*/
if (pci_mapreg_map(pa, RL_PCI_LOMEM, PCI_MAPREG_TYPE_MEM, 0,
&sc->rl_btag, &sc->rl_bhandle, NULL, &iosize, 0)) {
if (pci_mapreg_map(pa, RL_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0,
&sc->rl_btag, &sc->rl_bhandle, NULL, &iosize, 0)) {
printf(": can't map mem or i/o space\n");
return;
}
}
/* Allocate interrupt */
if (pci_intr_map(pa, &ih)) {
printf(": couldn't map interrupt\n");
return;
}
intrstr = pci_intr_string(pc, ih);
psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, re_intr, sc,
sc->sc_dev.dv_xname);
if (psc->sc_ih == NULL) {
printf(": couldn't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
return;
}
printf(": %s", intrstr);
sc->sc_dmat = pa->pa_dmat;
sc->sc_flags |= RL_ENABLED;
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_REALTEK) {
if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8139)
sc->rl_type = RL_8139CPLUS;
else
sc->rl_type = RL_8169;
} else if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_TTTECH &&
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_TTTECH_MC322)
sc->rl_type = RL_8139CPLUS;
else
sc->rl_type = RL_8169;
/* Call bus-independent attach routine */
re_attach(sc);
}
|
