if_ne_pci.c revision 1.14.10.2 1 /* $NetBSD: if_ne_pci.c,v 1.14.10.2 2001/01/05 17:36:07 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_init_media) __P((struct dp8390_softc *, int **,
114 int *, int *));
115 const char *npp_name;
116 } ne_pci_products[] = {
117 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029,
118 rtl80x9_mediachange, rtl80x9_mediastatus,
119 rtl80x9_init_card, rtl80x9_init_media,
120 "RealTek 8029" },
121
122 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F,
123 NULL, NULL,
124 NULL, NULL,
125 "Winbond 89C940F" },
126
127 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F_1,
128 NULL, NULL,
129 NULL, NULL,
130 "Winbond 89C940F" },
131
132 { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926,
133 NULL, NULL,
134 NULL, NULL,
135 "VIA Technologies VT86C926" },
136
137 { PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34,
138 NULL, NULL,
139 NULL, NULL,
140 "Surecom NE-34" },
141
142 { PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_5000,
143 NULL, NULL,
144 NULL, NULL,
145 "NetVin 5000" },
146
147 /* XXX The following entries need sanity checking in pcidevs */
148 { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_NE2KETHER,
149 NULL, NULL,
150 NULL, NULL,
151 "Compex" },
152
153 { PCI_VENDOR_PROLAN, PCI_PRODUCT_PROLAN_NE2KETHER,
154 NULL, NULL,
155 NULL, NULL,
156 "ProLAN" },
157
158 { PCI_VENDOR_KTI, PCI_PRODUCT_KTI_NE2KETHER,
159 NULL, NULL,
160 NULL, NULL,
161 "KTI" },
162
163 { 0, 0,
164 NULL, NULL,
165 NULL, NULL,
166 NULL },
167 };
168
169 const struct ne_pci_product *ne_pci_lookup
170 __P((const struct pci_attach_args *));
171
172 const struct ne_pci_product *
173 ne_pci_lookup(pa)
174 const struct pci_attach_args *pa;
175 {
176 const struct ne_pci_product *npp;
177
178 for (npp = ne_pci_products; npp->npp_name != NULL; npp++) {
179 if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor &&
180 PCI_PRODUCT(pa->pa_id) == npp->npp_product)
181 return (npp);
182 }
183 return (NULL);
184 }
185
186 /*
187 * PCI constants.
188 * XXX These should be in a common file!
189 */
190 #define PCI_CBIO 0x10 /* Configuration Base IO Address */
191
192 int
193 ne_pci_match(parent, match, aux)
194 struct device *parent;
195 struct cfdata *match;
196 void *aux;
197 {
198 struct pci_attach_args *pa = aux;
199
200 if (ne_pci_lookup(pa) != NULL)
201 return (1);
202
203 return (0);
204 }
205
206 void
207 ne_pci_attach(parent, self, aux)
208 struct device *parent, *self;
209 void *aux;
210 {
211 struct ne_pci_softc *psc = (struct ne_pci_softc *)self;
212 struct ne2000_softc *nsc = &psc->sc_ne2000;
213 struct dp8390_softc *dsc = &nsc->sc_dp8390;
214 struct pci_attach_args *pa = aux;
215 pci_chipset_tag_t pc = pa->pa_pc;
216 bus_space_tag_t nict;
217 bus_space_handle_t nich;
218 bus_space_tag_t asict;
219 bus_space_handle_t asich;
220 const char *intrstr;
221 const struct ne_pci_product *npp;
222 pci_intr_handle_t ih;
223 pcireg_t csr;
224 int *media, nmedia, defmedia;
225
226 npp = ne_pci_lookup(pa);
227 if (npp == NULL) {
228 printf("\n");
229 panic("ne_pci_attach: impossible");
230 }
231
232 printf(": %s Ethernet\n", npp->npp_name);
233
234 #ifdef IPKDB_NE_PCI
235 if (ne_pci_isipkdb(pc, pa->pa_tag)) {
236 nict = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt;
237 nich = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh;
238 ne_kip->port = nsc;
239 } else
240 #endif
241 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
242 &nict, &nich, NULL, NULL)) {
243 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname);
244 return;
245 }
246
247 asict = nict;
248 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
249 NE2000_ASIC_NPORTS, &asich)) {
250 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname);
251 return;
252 }
253
254 dsc->sc_regt = nict;
255 dsc->sc_regh = nich;
256
257 nsc->sc_asict = asict;
258 nsc->sc_asich = asich;
259
260 /* Enable the card. */
261 csr = pci_conf_read(pc, pa->pa_tag,
262 PCI_COMMAND_STATUS_REG);
263 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
264 csr | PCI_COMMAND_MASTER_ENABLE);
265
266 /* This interface is always enabled. */
267 dsc->sc_enabled = 1;
268
269 if (npp->npp_init_media != NULL) {
270 (*npp->npp_init_media)(dsc, &media, &nmedia, &defmedia);
271 dsc->sc_mediachange = npp->npp_mediachange;
272 dsc->sc_mediastatus = npp->npp_mediastatus;
273 } else {
274 media = NULL;
275 nmedia = 0;
276 defmedia = 0;
277 }
278
279 /* Always fill in init_card; it might be used for non-media stuff. */
280 dsc->init_card = npp->npp_init_card;
281
282 /*
283 * Do generic NE2000 attach. This will read the station address
284 * from the EEPROM.
285 */
286 ne2000_attach(nsc, NULL, media, nmedia, defmedia);
287
288 /* Map and establish the interrupt. */
289 if (pci_intr_map(pa, &ih)) {
290 printf("%s: couldn't map interrupt\n", dsc->sc_dev.dv_xname);
291 return;
292 }
293 intrstr = pci_intr_string(pc, ih);
294 psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc);
295 if (psc->sc_ih == NULL) {
296 printf("%s: couldn't establish interrupt",
297 dsc->sc_dev.dv_xname);
298 if (intrstr != NULL)
299 printf(" at %s", intrstr);
300 printf("\n");
301 return;
302 }
303 printf("%s: interrupting at %s\n", dsc->sc_dev.dv_xname, intrstr);
304 }
305
306 #ifdef IPKDB_NE_PCI
307 static int
308 ne_pci_isipkdb(pc, tag)
309 pci_chipset_tag_t pc;
310 pcitag_t tag;
311 {
312 return !memcmp(&pc, &ipkdb_pc, sizeof pc)
313 && !memcmp(&tag, &ipkdb_tag, sizeof tag);
314 }
315
316 int
317 ne_pci_ipkdb_attach(kip, iot, pc, bus, dev)
318 struct ipkdb_if *kip;
319 bus_space_tag_t iot;
320 pci_chipset_tag_t pc;
321 int bus, dev;
322 {
323 struct pci_attach_args pa;
324 bus_space_tag_t nict, asict;
325 bus_space_handle_t nich, asich;
326 u_int32_t csr;
327
328 pa.pa_iot = iot;
329 pa.pa_pc = pc;
330 pa.pa_device = dev;
331 pa.pa_function = 0;
332 pa.pa_flags = PCI_FLAGS_IO_ENABLED;
333 pa.pa_tag = pci_make_tag(pc, bus, dev, /*func*/0);
334 pa.pa_id = pci_conf_read(pc, pa.pa_tag, PCI_ID_REG);
335 pa.pa_class = pci_conf_read(pc, pa.pa_tag, PCI_CLASS_REG);
336 if (ne_pci_lookup(&pa) == NULL)
337 return -1;
338
339 if (pci_mapreg_map(&pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
340 &nict, &nich, NULL, NULL))
341 return -1;
342
343 asict = nict;
344 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
345 NE2000_ASIC_NPORTS, &asich)) {
346 bus_space_unmap(nict, nich, NE2000_NPORTS);
347 return -1;
348 }
349
350 /* Enable card */
351 csr = pci_conf_read(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG);
352 pci_conf_write(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG,
353 csr | PCI_COMMAND_MASTER_ENABLE);
354
355 ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt = nict;
356 ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh = nich;
357 ipkdb_softc.sc_ne2000.sc_asict = asict;
358 ipkdb_softc.sc_ne2000.sc_asich = asich;
359
360 kip->port = &ipkdb_softc;
361 ipkdb_pc = pc;
362 ipkdb_tag = pa.pa_tag;
363 ne_kip = kip;
364
365 if (ne2000_ipkdb_attach(kip) < 0) {
366 bus_space_unmap(nict, nich, NE2000_NPORTS);
367 return -1;
368 }
369
370 return 0;
371 }
372 #endif
373