if_ne_pci.c revision 1.10 1 /* $NetBSD: if_ne_pci.c,v 1.10 1998/10/27 22:30:56 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/pci/if_ne_pcireg.h>
73
74 struct ne_pci_softc {
75 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */
76
77 /* PCI-specific goo */
78 void *sc_ih; /* interrupt handle */
79 };
80
81 int ne_pci_match __P((struct device *, struct cfdata *, void *));
82 void ne_pci_attach __P((struct device *, struct device *, void *));
83
84 struct cfattach ne_pci_ca = {
85 sizeof(struct ne_pci_softc), ne_pci_match, ne_pci_attach
86 };
87
88 const struct ne_pci_product {
89 pci_vendor_id_t npp_vendor;
90 pci_product_id_t npp_product;
91 const char *npp_name;
92 } ne_pci_products[] = {
93 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029,
94 "Realtek 8029" },
95
96 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F,
97 "Winbond 89C940F" },
98
99 { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926,
100 "VIA Technologies VT86C926" },
101
102 { PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34,
103 "Surecom NE-34" },
104
105 { PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_5000,
106 "NetVin 5000" },
107
108 /* XXX The following entries need sanity checking in pcidevs */
109 { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_NE2KETHER,
110 "Compex" },
111
112 { PCI_VENDOR_PROLAN, PCI_PRODUCT_PROLAN_NE2KETHER,
113 "ProLAN" },
114
115 { PCI_VENDOR_KTI, PCI_PRODUCT_KTI_NE2KETHER,
116 "KTI" },
117
118 { 0, 0,
119 NULL },
120 };
121
122 const struct ne_pci_product *ne_pci_lookup __P((struct pci_attach_args *));
123
124 const struct ne_pci_product *
125 ne_pci_lookup(pa)
126 struct pci_attach_args *pa;
127 {
128 const struct ne_pci_product *npp;
129
130 for (npp = ne_pci_products; npp->npp_name != NULL; npp++) {
131 if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor &&
132 PCI_PRODUCT(pa->pa_id) == npp->npp_product)
133 return (npp);
134 }
135 return (NULL);
136 }
137
138 /*
139 * PCI constants.
140 * XXX These should be in a common file!
141 */
142 #define PCI_CBIO 0x10 /* Configuration Base IO Address */
143
144 int
145 ne_pci_match(parent, match, aux)
146 struct device *parent;
147 struct cfdata *match;
148 void *aux;
149 {
150 struct pci_attach_args *pa = aux;
151
152 if (ne_pci_lookup(pa) != NULL)
153 return (1);
154
155 return (0);
156 }
157
158 void
159 ne_pci_attach(parent, self, aux)
160 struct device *parent, *self;
161 void *aux;
162 {
163 struct ne_pci_softc *psc = (struct ne_pci_softc *)self;
164 struct ne2000_softc *nsc = &psc->sc_ne2000;
165 struct dp8390_softc *dsc = &nsc->sc_dp8390;
166 struct pci_attach_args *pa = aux;
167 pci_chipset_tag_t pc = pa->pa_pc;
168 bus_space_tag_t nict;
169 bus_space_handle_t nich;
170 bus_space_tag_t asict;
171 bus_space_handle_t asich;
172 const char *intrstr;
173 const struct ne_pci_product *npp;
174 pci_intr_handle_t ih;
175 pcireg_t csr;
176
177 npp = ne_pci_lookup(pa);
178 if (npp == NULL) {
179 printf("\n");
180 panic("ne_pci_attach: impossible");
181 }
182
183 printf(": %s Ethernet\n", npp->npp_name);
184
185 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
186 &nict, &nich, NULL, NULL)) {
187 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname);
188 return;
189 }
190
191 asict = nict;
192 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
193 NE2000_ASIC_NPORTS, &asich)) {
194 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname);
195 return;
196 }
197
198 dsc->sc_regt = nict;
199 dsc->sc_regh = nich;
200
201 nsc->sc_asict = asict;
202 nsc->sc_asich = asich;
203
204 /* Enable the card. */
205 csr = pci_conf_read(pc, pa->pa_tag,
206 PCI_COMMAND_STATUS_REG);
207 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
208 csr | PCI_COMMAND_MASTER_ENABLE);
209
210 /* This interface is always enabled. */
211 dsc->sc_enabled = 1;
212
213 /*
214 * Do generic NE2000 attach. This will read the station address
215 * from the EEPROM.
216 */
217 ne2000_attach(nsc, NULL);
218
219 /* Map and establish the interrupt. */
220 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
221 pa->pa_intrline, &ih)) {
222 printf("%s: couldn't map interrupt\n", dsc->sc_dev.dv_xname);
223 return;
224 }
225 intrstr = pci_intr_string(pc, ih);
226 psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc);
227 if (psc->sc_ih == NULL) {
228 printf("%s: couldn't establish interrupt",
229 dsc->sc_dev.dv_xname);
230 if (intrstr != NULL)
231 printf(" at %s", intrstr);
232 printf("\n");
233 return;
234 }
235 printf("%s: interrupting at %s\n", dsc->sc_dev.dv_xname, intrstr);
236 }
237