1 /* $OpenBSD: if_ne_pci.c,v 1.22 2024/05/24 06:02:56 jsg Exp $ */
2 /* $NetBSD: if_ne_pci.c,v 1.8 1998/07/05 00:51:24 jonathan Exp $ */
3
4 /*-
5 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
10 * NASA Ames Research Center.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/device.h>
37
38 #include <net/if.h>
39 #include <net/if_media.h>
40
41 #include <netinet/in.h>
42 #include <netinet/if_ether.h>
43
44 #include <machine/bus.h>
45 #include <machine/intr.h>
46
47 #include <dev/pci/pcireg.h>
48 #include <dev/pci/pcivar.h>
49 #include <dev/pci/pcidevs.h>
50
51 #include <dev/mii/miivar.h>
52
53 #include <dev/ic/dp8390reg.h>
54 #include <dev/ic/dp8390var.h>
55
56 #include <dev/ic/ne2000reg.h>
57 #include <dev/ic/ne2000var.h>
58
59 #include <dev/ic/rtl80x9reg.h>
60 #include <dev/ic/rtl80x9var.h>
61
62 struct ne_pci_softc {
63 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */
64
65 /* PCI-specific goo */
66 void *sc_ih; /* interrupt handle */
67 };
68
69 int ne_pci_match(struct device *, void *, void *);
70 void ne_pci_attach(struct device *, struct device *, void *);
71
72 const struct cfattach ne_pci_ca = {
73 sizeof(struct ne_pci_softc), ne_pci_match, ne_pci_attach
74 };
75
76 const struct ne_pci_product {
77 pci_vendor_id_t npp_vendor;
78 pci_product_id_t npp_product;
79 int (*npp_mediachange)(struct dp8390_softc *);
80 void (*npp_mediastatus)(struct dp8390_softc *,
81 struct ifmediareq *);
82 void (*npp_init_card)(struct dp8390_softc *);
83 void (*npp_media_init)(struct dp8390_softc *);
84 } ne_pci_prod[] = {
85 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029,
86 rtl80x9_mediachange, rtl80x9_mediastatus,
87 rtl80x9_init_card, rtl80x9_media_init,
88 /* Realtek 8029 */ },
89
90 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F,
91 NULL, NULL,
92 NULL, NULL,
93 /* Winbond 89C940F */ },
94
95 { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926,
96 NULL, NULL,
97 NULL, NULL,
98 /* VIA Technologies VT86C926 */ },
99
100 { PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34,
101 NULL, NULL,
102 NULL, NULL,
103 /* Surecom NE-34 */ },
104
105 { PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_NV5000,
106 NULL, NULL,
107 NULL, NULL,
108 /* NetVin 5000 */ },
109
110 /* XXX The following entries need sanity checking in pcidevs */
111 { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_COMPEXE,
112 NULL, NULL,
113 NULL, NULL,
114 /* Compex */ },
115
116 { PCI_VENDOR_WINBOND2, PCI_PRODUCT_WINBOND2_W89C940,
117 NULL, NULL,
118 NULL, NULL,
119 /* ProLAN */ },
120
121 { PCI_VENDOR_KTI, PCI_PRODUCT_KTI_KTIE,
122 NULL, NULL,
123 NULL, NULL,
124 /* KTI */ },
125 };
126
127 const struct ne_pci_product *ne_pci_lookup(struct pci_attach_args *);
128
129 const struct ne_pci_product *
ne_pci_lookup(struct pci_attach_args * pa)130 ne_pci_lookup(struct pci_attach_args *pa)
131 {
132 const struct ne_pci_product *npp;
133
134 for (npp = ne_pci_prod;
135 npp < &ne_pci_prod[nitems(ne_pci_prod)];
136 npp++) {
137 if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor &&
138 PCI_PRODUCT(pa->pa_id) == npp->npp_product)
139 return (npp);
140 }
141 return (NULL);
142 }
143
144 /*
145 * PCI constants.
146 * XXX These should be in a common file!
147 */
148 #define PCI_CBIO 0x10 /* Configuration Base IO Address */
149
150 int
ne_pci_match(struct device * parent,void * match,void * aux)151 ne_pci_match(struct device *parent, void *match, void *aux)
152 {
153 struct pci_attach_args *pa = aux;
154
155 if (ne_pci_lookup(pa) != NULL)
156 return (1);
157
158 return (0);
159 }
160
161 void
ne_pci_attach(struct device * parent,struct device * self,void * aux)162 ne_pci_attach(struct device *parent, struct device *self, void *aux)
163 {
164 struct ne_pci_softc *psc = (struct ne_pci_softc *)self;
165 struct ne2000_softc *nsc = &psc->sc_ne2000;
166 struct dp8390_softc *dsc = &nsc->sc_dp8390;
167 struct pci_attach_args *pa = aux;
168 pci_chipset_tag_t pc = pa->pa_pc;
169 bus_size_t iosize;
170 bus_space_tag_t nict;
171 bus_space_handle_t nich;
172 bus_space_tag_t asict;
173 bus_space_handle_t asich;
174 const char *intrstr;
175 const struct ne_pci_product *npp;
176 pci_intr_handle_t ih;
177
178 npp = ne_pci_lookup(pa);
179 if (npp == NULL) {
180 printf("\n");
181 panic("ne_pci_attach: impossible");
182 }
183
184 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
185 &nict, &nich, NULL, &iosize, 0)) {
186 printf(": can't map i/o space\n");
187 return;
188 }
189
190 asict = nict;
191 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
192 NE2000_ASIC_NPORTS, &asich)) {
193 printf(": can't subregion i/o space\n");
194 bus_space_unmap(nict, nich, iosize);
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 /* This interface is always enabled. */
205 dsc->sc_enabled = 1;
206
207 dsc->sc_mediachange = npp->npp_mediachange;
208 dsc->sc_mediastatus = npp->npp_mediastatus;
209 dsc->sc_media_init = npp->npp_media_init;
210 dsc->init_card = npp->npp_init_card;
211
212 /* Map and establish the interrupt. */
213 if (pci_intr_map(pa, &ih)) {
214 printf(": couldn't map interrupt\n");
215 bus_space_unmap(nict, nich, iosize);
216 return;
217 }
218 intrstr = pci_intr_string(pc, ih);
219 psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc,
220 dsc->sc_dev.dv_xname);
221 if (psc->sc_ih == NULL) {
222 printf(": couldn't establish interrupt");
223 if (intrstr != NULL)
224 printf(" at %s", intrstr);
225 printf("\n");
226 bus_space_unmap(nict, nich, iosize);
227 return;
228 }
229 printf(": %s", intrstr);
230
231 /*
232 * Do generic NE2000 attach. This will read the station address
233 * from the EEPROM.
234 */
235 ne2000_attach(nsc, NULL);
236 }
237