if_ne_pci.c revision 1.13 1 /* $NetBSD: if_ne_pci.c,v 1.13 1998/10/31 00:45:49 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 #include "opt_inet.h"
41 #include "bpfilter.h"
42
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/mbuf.h>
46 #include <sys/syslog.h>
47 #include <sys/socket.h>
48 #include <sys/device.h>
49
50 #include <net/if.h>
51 #include <net/if_ether.h>
52 #include <net/if_media.h>
53
54 #ifdef INET
55 #include <netinet/in.h>
56 #include <netinet/if_inarp.h>
57 #endif
58
59 #include <machine/bus.h>
60 #include <machine/intr.h>
61
62 #include <dev/pci/pcireg.h>
63 #include <dev/pci/pcivar.h>
64 #include <dev/pci/pcidevs.h>
65
66 #include <dev/ic/dp8390reg.h>
67 #include <dev/ic/dp8390var.h>
68
69 #include <dev/ic/ne2000reg.h>
70 #include <dev/ic/ne2000var.h>
71
72 #include <dev/ic/rtl80x9reg.h>
73 #include <dev/ic/rtl80x9var.h>
74
75 struct ne_pci_softc {
76 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */
77
78 /* PCI-specific goo */
79 void *sc_ih; /* interrupt handle */
80 };
81
82 int ne_pci_match __P((struct device *, struct cfdata *, void *));
83 void ne_pci_attach __P((struct device *, struct device *, void *));
84
85 struct cfattach ne_pci_ca = {
86 sizeof(struct ne_pci_softc), ne_pci_match, ne_pci_attach
87 };
88
89 const struct ne_pci_product {
90 pci_vendor_id_t npp_vendor;
91 pci_product_id_t npp_product;
92 int (*npp_mediachange) __P((struct dp8390_softc *));
93 void (*npp_mediastatus) __P((struct dp8390_softc *,
94 struct ifmediareq *));
95 void (*npp_init_card) __P((struct dp8390_softc *));
96 void (*npp_init_media) __P((struct dp8390_softc *, int **,
97 int *, int *));
98 const char *npp_name;
99 } ne_pci_products[] = {
100 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029,
101 rtl80x9_mediachange, rtl80x9_mediastatus,
102 rtl80x9_init_card, rtl80x9_init_media,
103 "RealTek 8029" },
104
105 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F,
106 NULL, NULL,
107 NULL, NULL,
108 "Winbond 89C940F" },
109
110 { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926,
111 NULL, NULL,
112 NULL, NULL,
113 "VIA Technologies VT86C926" },
114
115 { PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34,
116 NULL, NULL,
117 NULL, NULL,
118 "Surecom NE-34" },
119
120 { PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_5000,
121 NULL, NULL,
122 NULL, NULL,
123 "NetVin 5000" },
124
125 /* XXX The following entries need sanity checking in pcidevs */
126 { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_NE2KETHER,
127 NULL, NULL,
128 NULL, NULL,
129 "Compex" },
130
131 { PCI_VENDOR_PROLAN, PCI_PRODUCT_PROLAN_NE2KETHER,
132 NULL, NULL,
133 NULL, NULL,
134 "ProLAN" },
135
136 { PCI_VENDOR_KTI, PCI_PRODUCT_KTI_NE2KETHER,
137 NULL, NULL,
138 NULL, NULL,
139 "KTI" },
140
141 { 0, 0,
142 NULL, NULL,
143 NULL, NULL,
144 NULL },
145 };
146
147 const struct ne_pci_product *ne_pci_lookup __P((struct pci_attach_args *));
148
149 const struct ne_pci_product *
150 ne_pci_lookup(pa)
151 struct pci_attach_args *pa;
152 {
153 const struct ne_pci_product *npp;
154
155 for (npp = ne_pci_products; npp->npp_name != NULL; npp++) {
156 if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor &&
157 PCI_PRODUCT(pa->pa_id) == npp->npp_product)
158 return (npp);
159 }
160 return (NULL);
161 }
162
163 /*
164 * PCI constants.
165 * XXX These should be in a common file!
166 */
167 #define PCI_CBIO 0x10 /* Configuration Base IO Address */
168
169 int
170 ne_pci_match(parent, match, aux)
171 struct device *parent;
172 struct cfdata *match;
173 void *aux;
174 {
175 struct pci_attach_args *pa = aux;
176
177 if (ne_pci_lookup(pa) != NULL)
178 return (1);
179
180 return (0);
181 }
182
183 void
184 ne_pci_attach(parent, self, aux)
185 struct device *parent, *self;
186 void *aux;
187 {
188 struct ne_pci_softc *psc = (struct ne_pci_softc *)self;
189 struct ne2000_softc *nsc = &psc->sc_ne2000;
190 struct dp8390_softc *dsc = &nsc->sc_dp8390;
191 struct pci_attach_args *pa = aux;
192 pci_chipset_tag_t pc = pa->pa_pc;
193 bus_space_tag_t nict;
194 bus_space_handle_t nich;
195 bus_space_tag_t asict;
196 bus_space_handle_t asich;
197 const char *intrstr;
198 const struct ne_pci_product *npp;
199 pci_intr_handle_t ih;
200 pcireg_t csr;
201 int *media, nmedia, defmedia;
202
203 npp = ne_pci_lookup(pa);
204 if (npp == NULL) {
205 printf("\n");
206 panic("ne_pci_attach: impossible");
207 }
208
209 printf(": %s Ethernet\n", npp->npp_name);
210
211 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
212 &nict, &nich, NULL, NULL)) {
213 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname);
214 return;
215 }
216
217 asict = nict;
218 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
219 NE2000_ASIC_NPORTS, &asich)) {
220 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname);
221 return;
222 }
223
224 dsc->sc_regt = nict;
225 dsc->sc_regh = nich;
226
227 nsc->sc_asict = asict;
228 nsc->sc_asich = asich;
229
230 /* Enable the card. */
231 csr = pci_conf_read(pc, pa->pa_tag,
232 PCI_COMMAND_STATUS_REG);
233 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
234 csr | PCI_COMMAND_MASTER_ENABLE);
235
236 /* This interface is always enabled. */
237 dsc->sc_enabled = 1;
238
239 if (npp->npp_init_media != NULL) {
240 (*npp->npp_init_media)(dsc, &media, &nmedia, &defmedia);
241 dsc->sc_mediachange = npp->npp_mediachange;
242 dsc->sc_mediastatus = npp->npp_mediastatus;
243 } else {
244 media = NULL;
245 nmedia = 0;
246 defmedia = 0;
247 }
248
249 /* Always fill in init_card; it might be used for non-media stuff. */
250 dsc->init_card = npp->npp_init_card;
251
252 /*
253 * Do generic NE2000 attach. This will read the station address
254 * from the EEPROM.
255 */
256 ne2000_attach(nsc, NULL, media, nmedia, defmedia);
257
258 /* Map and establish the interrupt. */
259 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
260 pa->pa_intrline, &ih)) {
261 printf("%s: couldn't map interrupt\n", dsc->sc_dev.dv_xname);
262 return;
263 }
264 intrstr = pci_intr_string(pc, ih);
265 psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc);
266 if (psc->sc_ih == NULL) {
267 printf("%s: couldn't establish interrupt",
268 dsc->sc_dev.dv_xname);
269 if (intrstr != NULL)
270 printf(" at %s", intrstr);
271 printf("\n");
272 return;
273 }
274 printf("%s: interrupting at %s\n", dsc->sc_dev.dv_xname, intrstr);
275 }
276