if_ep_pci.c revision 1.6 1 /* $NetBSD: if_ep_pci.c,v 1.6 1996/05/12 18:48:21 thorpej Exp $ */
2
3 /*
4 * Copyright (c) 1994 Herb Peyerl <hpeyerl (at) beer.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Herb Peyerl.
18 * 4. The name of Herb Peyerl may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include "bpfilter.h"
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/mbuf.h>
38 #include <sys/socket.h>
39 #include <sys/ioctl.h>
40 #include <sys/errno.h>
41 #include <sys/syslog.h>
42 #include <sys/select.h>
43 #include <sys/device.h>
44
45 #include <net/if.h>
46 #include <net/if_dl.h>
47 #include <net/if_types.h>
48
49 #ifdef INET
50 #include <netinet/in.h>
51 #include <netinet/in_systm.h>
52 #include <netinet/in_var.h>
53 #include <netinet/ip.h>
54 #include <netinet/if_ether.h>
55 #endif
56
57 #ifdef NS
58 #include <netns/ns.h>
59 #include <netns/ns_if.h>
60 #endif
61
62 #if NBPFILTER > 0
63 #include <net/bpf.h>
64 #include <net/bpfdesc.h>
65 #endif
66
67 #include <machine/cpu.h>
68 #include <machine/bus.h>
69
70 #include <dev/ic/elink3var.h>
71 #include <dev/ic/elink3reg.h>
72
73 #include <dev/pci/pcivar.h>
74 #include <dev/pci/pcireg.h>
75 #include <dev/pci/pcidevs.h>
76
77 /*
78 * PCI constants.
79 * XXX These should be in a common file!
80 */
81 #define PCI_CONN 0x48 /* Connector type */
82 #define PCI_CBIO 0x10 /* Configuration Base IO Address */
83
84 int ep_pci_match __P((struct device *, void *, void *));
85 void ep_pci_attach __P((struct device *, struct device *, void *));
86
87 struct cfattach ep_pci_ca = {
88 sizeof(struct ep_softc), ep_pci_match, ep_pci_attach
89 };
90
91 int
92 ep_pci_match(parent, match, aux)
93 struct device *parent;
94 void *match, *aux;
95 {
96 struct pci_attach_args *pa = (struct pci_attach_args *) aux;
97
98 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM)
99 return 0;
100
101 switch (PCI_PRODUCT(pa->pa_id)) {
102 case PCI_PRODUCT_3COM_3C590:
103 case PCI_PRODUCT_3COM_3C595:
104 break;
105 default:
106 return 0;
107 }
108
109 return 1;
110 }
111
112 void
113 ep_pci_attach(parent, self, aux)
114 struct device *parent, *self;
115 void *aux;
116 {
117 struct ep_softc *sc = (void *)self;
118 struct pci_attach_args *pa = aux;
119 pci_chipset_tag_t pc = pa->pa_pc;
120 bus_chipset_tag_t bc = pa->pa_bc;
121 bus_io_addr_t iobase;
122 bus_io_size_t iosize;
123 pci_intr_handle_t ih;
124 u_short conn = 0;
125 pcireg_t i;
126 char *model;
127 const char *intrstr = NULL;
128
129 if (pci_io_find(pc, pa->pa_tag, PCI_CBIO, &iobase, &iosize)) {
130 printf(": can't find i/o space\n");
131 return;
132 }
133
134 if (bus_io_map(bc, iobase, iosize, &sc->sc_ioh)) {
135 printf(": can't map i/o space\n");
136 return;
137 }
138
139 sc->sc_bc = bc;
140 sc->bustype = EP_BUS_PCI;
141
142 i = pci_conf_read(pc, pa->pa_tag, PCI_CONN);
143
144 /*
145 * Bits 13,12,9 of the isa adapter are the same as bits
146 * 5,4,3 of the pci adapter
147 */
148 if (i & IS_PCI_AUI)
149 conn |= IS_AUI;
150 if (i & IS_PCI_BNC)
151 conn |= IS_BNC;
152 if (i & IS_PCI_UTP)
153 conn |= IS_UTP;
154
155 GO_WINDOW(0);
156
157 switch (PCI_PRODUCT(pa->pa_id)) {
158 case PCI_PRODUCT_3COM_3C590:
159 model = "3Com 3C590 Ethernet";
160 break;
161
162 case PCI_PRODUCT_3COM_3C595:
163 model = "3Com 3C595 Ethernet";
164 break;
165 default:
166 model = "unknown model!";
167 }
168
169 printf(": %s\n", model);
170
171 epconfig(sc, conn);
172
173 /* Enable the card. */
174 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
175 pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) |
176 PCI_COMMAND_MASTER_ENABLE);
177
178 /* Map and establish the interrupt. */
179 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin,
180 pa->pa_intrline, &ih)) {
181 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
182 return;
183 }
184 intrstr = pci_intr_string(pc, ih);
185 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc);
186 if (sc->sc_ih == NULL) {
187 printf("%s: couldn't establish interrupt",
188 sc->sc_dev.dv_xname);
189 if (intrstr != NULL)
190 printf(" at %s", intrstr);
191 printf("\n");
192 return;
193 }
194 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
195
196 epstop(sc);
197 }
198