if_ne_pci.c revision 1.14.10.3 1 /* $NetBSD: if_ne_pci.c,v 1.14.10.3 2001/03/12 13:31:07 bouyer 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_ipkdb.h"
41 #include "opt_inet.h"
42 #include "bpfilter.h"
43
44 #include <sys/param.h>
45 #include <sys/systm.h>
46 #include <sys/mbuf.h>
47 #include <sys/syslog.h>
48 #include <sys/socket.h>
49 #include <sys/device.h>
50
51 #include <net/if.h>
52 #include <net/if_ether.h>
53 #include <net/if_media.h>
54
55 #ifdef INET
56 #include <netinet/in.h>
57 #include <netinet/if_inarp.h>
58 #endif
59
60 #include <machine/bus.h>
61 #include <machine/intr.h>
62
63 #ifdef IPKDB_NE_PCI
64 #include <ipkdb/ipkdb.h>
65 #endif
66
67 #include <dev/pci/pcireg.h>
68 #include <dev/pci/pcivar.h>
69 #include <dev/pci/pcidevs.h>
70
71 #include <dev/ic/dp8390reg.h>
72 #include <dev/ic/dp8390var.h>
73
74 #include <dev/ic/ne2000reg.h>
75 #include <dev/ic/ne2000var.h>
76
77 #include <dev/ic/rtl80x9reg.h>
78 #include <dev/ic/rtl80x9var.h>
79
80 struct ne_pci_softc {
81 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */
82
83 /* PCI-specific goo */
84 void *sc_ih; /* interrupt handle */
85 };
86
87 int ne_pci_match __P((struct device *, struct cfdata *, void *));
88 void ne_pci_attach __P((struct device *, struct device *, void *));
89
90 struct cfattach ne_pci_ca = {
91 sizeof(struct ne_pci_softc), ne_pci_match, ne_pci_attach
92 };
93
94 #ifdef IPKDB_NE_PCI
95 static struct ne_pci_softc ipkdb_softc;
96 static pci_chipset_tag_t ipkdb_pc;
97 static pcitag_t ipkdb_tag;
98 static struct ipkdb_if *ne_kip;
99
100 int ne_pci_ipkdb_attach __P((struct ipkdb_if *, bus_space_tag_t, /* XXX */
101 pci_chipset_tag_t, int, int));
102
103 static int ne_pci_isipkdb __P((pci_chipset_tag_t, pcitag_t));
104 #endif
105
106 const struct ne_pci_product {
107 pci_vendor_id_t npp_vendor;
108 pci_product_id_t npp_product;
109 int (*npp_mediachange) __P((struct dp8390_softc *));
110 void (*npp_mediastatus) __P((struct dp8390_softc *,
111 struct ifmediareq *));
112 void (*npp_init_card) __P((struct dp8390_softc *));
113 void (*npp_media_init) __P((struct dp8390_softc *));
114 const char *npp_name;
115 } ne_pci_products[] = {
116 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029,
117 rtl80x9_mediachange, rtl80x9_mediastatus,
118 rtl80x9_init_card, rtl80x9_media_init,
119 "RealTek 8029" },
120
121 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F,
122 NULL, NULL,
123 NULL, NULL,
124 "Winbond 89C940F" },
125
126 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F_1,
127 NULL, NULL,
128 NULL, NULL,
129 "Winbond 89C940F" },
130
131 { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926,
132 NULL, NULL,
133 NULL, NULL,
134 "VIA Technologies VT86C926" },
135
136 { PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34,
137 NULL, NULL,
138 NULL, NULL,
139 "Surecom NE-34" },
140
141 { PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_5000,
142 NULL, NULL,
143 NULL, NULL,
144 "NetVin 5000" },
145
146 /* XXX The following entries need sanity checking in pcidevs */
147 { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_NE2KETHER,
148 NULL, NULL,
149 NULL, NULL,
150 "Compex" },
151
152 { PCI_VENDOR_PROLAN, PCI_PRODUCT_PROLAN_NE2KETHER,
153 NULL, NULL,
154 NULL, NULL,
155 "ProLAN" },
156
157 { PCI_VENDOR_KTI, PCI_PRODUCT_KTI_NE2KETHER,
158 NULL, NULL,
159 NULL, NULL,
160 "KTI" },
161
162 { 0, 0,
163 NULL, NULL,
164 NULL, NULL,
165 NULL },
166 };
167
168 const struct ne_pci_product *ne_pci_lookup
169 __P((const struct pci_attach_args *));
170
171 const struct ne_pci_product *
172 ne_pci_lookup(pa)
173 const struct pci_attach_args *pa;
174 {
175 const struct ne_pci_product *npp;
176
177 for (npp = ne_pci_products; npp->npp_name != NULL; npp++) {
178 if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor &&
179 PCI_PRODUCT(pa->pa_id) == npp->npp_product)
180 return (npp);
181 }
182 return (NULL);
183 }
184
185 /*
186 * PCI constants.
187 * XXX These should be in a common file!
188 */
189 #define PCI_CBIO 0x10 /* Configuration Base IO Address */
190
191 int
192 ne_pci_match(parent, match, aux)
193 struct device *parent;
194 struct cfdata *match;
195 void *aux;
196 {
197 struct pci_attach_args *pa = aux;
198
199 if (ne_pci_lookup(pa) != NULL)
200 return (1);
201
202 return (0);
203 }
204
205 void
206 ne_pci_attach(parent, self, aux)
207 struct device *parent, *self;
208 void *aux;
209 {
210 struct ne_pci_softc *psc = (struct ne_pci_softc *)self;
211 struct ne2000_softc *nsc = &psc->sc_ne2000;
212 struct dp8390_softc *dsc = &nsc->sc_dp8390;
213 struct pci_attach_args *pa = aux;
214 pci_chipset_tag_t pc = pa->pa_pc;
215 bus_space_tag_t nict;
216 bus_space_handle_t nich;
217 bus_space_tag_t asict;
218 bus_space_handle_t asich;
219 const char *intrstr;
220 const struct ne_pci_product *npp;
221 pci_intr_handle_t ih;
222 pcireg_t csr;
223
224 npp = ne_pci_lookup(pa);
225 if (npp == NULL) {
226 printf("\n");
227 panic("ne_pci_attach: impossible");
228 }
229
230 printf(": %s Ethernet\n", npp->npp_name);
231
232 #ifdef IPKDB_NE_PCI
233 if (ne_pci_isipkdb(pc, pa->pa_tag)) {
234 nict = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt;
235 nich = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh;
236 ne_kip->port = nsc;
237 } else
238 #endif
239 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
240 &nict, &nich, NULL, NULL)) {
241 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname);
242 return;
243 }
244
245 asict = nict;
246 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
247 NE2000_ASIC_NPORTS, &asich)) {
248 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname);
249 return;
250 }
251
252 dsc->sc_regt = nict;
253 dsc->sc_regh = nich;
254
255 nsc->sc_asict = asict;
256 nsc->sc_asich = asich;
257
258 /* Enable the card. */
259 csr = pci_conf_read(pc, pa->pa_tag,
260 PCI_COMMAND_STATUS_REG);
261 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
262 csr | PCI_COMMAND_MASTER_ENABLE);
263
264 /* This interface is always enabled. */
265 dsc->sc_enabled = 1;
266
267 dsc->sc_mediachange = npp->npp_mediachange;
268 dsc->sc_mediastatus = npp->npp_mediastatus;
269 dsc->sc_media_init = npp->npp_media_init;
270 dsc->init_card = npp->npp_init_card;
271
272 /*
273 * Do generic NE2000 attach. This will read the station address
274 * from the EEPROM.
275 */
276 ne2000_attach(nsc, NULL);
277
278 /* Map and establish the interrupt. */
279 if (pci_intr_map(pa, &ih)) {
280 printf("%s: couldn't map interrupt\n", dsc->sc_dev.dv_xname);
281 return;
282 }
283 intrstr = pci_intr_string(pc, ih);
284 psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc);
285 if (psc->sc_ih == NULL) {
286 printf("%s: couldn't establish interrupt",
287 dsc->sc_dev.dv_xname);
288 if (intrstr != NULL)
289 printf(" at %s", intrstr);
290 printf("\n");
291 return;
292 }
293 printf("%s: interrupting at %s\n", dsc->sc_dev.dv_xname, intrstr);
294 }
295
296 #ifdef IPKDB_NE_PCI
297 static int
298 ne_pci_isipkdb(pc, tag)
299 pci_chipset_tag_t pc;
300 pcitag_t tag;
301 {
302 return !memcmp(&pc, &ipkdb_pc, sizeof pc)
303 && !memcmp(&tag, &ipkdb_tag, sizeof tag);
304 }
305
306 int
307 ne_pci_ipkdb_attach(kip, iot, pc, bus, dev)
308 struct ipkdb_if *kip;
309 bus_space_tag_t iot;
310 pci_chipset_tag_t pc;
311 int bus, dev;
312 {
313 struct pci_attach_args pa;
314 bus_space_tag_t nict, asict;
315 bus_space_handle_t nich, asich;
316 u_int32_t csr;
317
318 pa.pa_iot = iot;
319 pa.pa_pc = pc;
320 pa.pa_device = dev;
321 pa.pa_function = 0;
322 pa.pa_flags = PCI_FLAGS_IO_ENABLED;
323 pa.pa_tag = pci_make_tag(pc, bus, dev, /*func*/0);
324 pa.pa_id = pci_conf_read(pc, pa.pa_tag, PCI_ID_REG);
325 pa.pa_class = pci_conf_read(pc, pa.pa_tag, PCI_CLASS_REG);
326 if (ne_pci_lookup(&pa) == NULL)
327 return -1;
328
329 if (pci_mapreg_map(&pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
330 &nict, &nich, NULL, NULL))
331 return -1;
332
333 asict = nict;
334 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
335 NE2000_ASIC_NPORTS, &asich)) {
336 bus_space_unmap(nict, nich, NE2000_NPORTS);
337 return -1;
338 }
339
340 /* Enable card */
341 csr = pci_conf_read(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG);
342 pci_conf_write(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG,
343 csr | PCI_COMMAND_MASTER_ENABLE);
344
345 ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt = nict;
346 ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh = nich;
347 ipkdb_softc.sc_ne2000.sc_asict = asict;
348 ipkdb_softc.sc_ne2000.sc_asich = asich;
349
350 kip->port = &ipkdb_softc;
351 ipkdb_pc = pc;
352 ipkdb_tag = pa.pa_tag;
353 ne_kip = kip;
354
355 if (ne2000_ipkdb_attach(kip) < 0) {
356 bus_space_unmap(nict, nich, NE2000_NPORTS);
357 return -1;
358 }
359
360 return 0;
361 }
362 #endif
363