1 /* $OpenBSD: if_ne_isapnp.c,v 1.18 2023/09/11 08:41:26 mvs Exp $ */
2 /* $NetBSD: if_ne_isapnp.c,v 1.7 1998/07/23 19:30:45 christos Exp $ */
3
4 /*-
5 * Copyright (c) 1997 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 and Matt Thomas of the 3am Software Foundry.
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 "bpfilter.h"
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/mbuf.h>
39 #include <sys/socket.h>
40 #include <sys/ioctl.h>
41 #include <sys/errno.h>
42 #include <sys/syslog.h>
43 #include <sys/device.h>
44
45 #include <net/if.h>
46 #include <net/if_media.h>
47
48 #include <netinet/in.h>
49 #include <netinet/if_ether.h>
50
51 #if NBPFILTER > 0
52 #include <net/bpf.h>
53 #endif
54
55 #include <machine/intr.h>
56 #include <machine/bus.h>
57
58 #include <dev/ic/dp8390reg.h>
59 #include <dev/ic/dp8390var.h>
60
61 #include <dev/ic/ne2000reg.h>
62 #include <dev/ic/ne2000var.h>
63
64 #include <dev/ic/rtl80x9reg.h>
65 #include <dev/ic/rtl80x9var.h>
66
67 #include <dev/isa/isavar.h>
68
69 #include <dev/isa/isapnpreg.h>
70
71 static int ne_isapnp_match(struct device *, void *, void *);
72 static void ne_isapnp_attach(struct device *, struct device *, void *);
73
74 struct ne_isapnp_softc {
75 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */
76
77 /* ISA-specific goo. */
78 void *sc_ih; /* interrupt cookie */
79 };
80
81 const struct cfattach ne_isapnp_ca = {
82 sizeof(struct ne_isapnp_softc), ne_isapnp_match, ne_isapnp_attach
83 };
84
85 static int
ne_isapnp_match(struct device * parent,void * match,void * aux)86 ne_isapnp_match(struct device *parent, void *match, void *aux)
87 {
88 return (1);
89 }
90
91 static void
ne_isapnp_attach(struct device * parent,struct device * self,void * aux)92 ne_isapnp_attach(struct device *parent, struct device *self, void *aux)
93 {
94 struct ne_isapnp_softc * const isc = (struct ne_isapnp_softc *)self;
95 struct ne2000_softc * const nsc = &isc->sc_ne2000;
96 struct dp8390_softc * const dsc = &nsc->sc_dp8390;
97 struct isa_attach_args * const ipa = aux;
98 bus_space_tag_t nict;
99 bus_space_handle_t nich;
100 bus_space_tag_t asict;
101 bus_space_handle_t asich;
102 const char *typestr;
103 int netype;
104
105 nict = ipa->ia_iot;
106 nich = ipa->ipa_io[0].h;
107
108 asict = nict;
109
110 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
111 NE2000_ASIC_NPORTS, &asich)) {
112 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname);
113 return;
114 }
115
116 dsc->sc_regt = nict;
117 dsc->sc_regh = nich;
118
119 nsc->sc_asict = asict;
120 nsc->sc_asich = asich;
121
122 /*
123 * Detect it again, so we can print some information about the
124 * interface.
125 */
126 netype = ne2000_detect(nsc);
127 switch (netype) {
128 case NE2000_TYPE_NE1000:
129 typestr = "NE1000";
130 break;
131
132 case NE2000_TYPE_NE2000:
133 typestr = "NE2000";
134 /*
135 * Check for a Realtek 8019.
136 */
137 bus_space_write_1(nict, nich, ED_P0_CR,
138 ED_CR_PAGE_0 | ED_CR_STP);
139 if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) ==
140 RTL0_8019ID0 &&
141 bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) ==
142 RTL0_8019ID1) {
143 typestr = "NE2000 (RTL8019)";
144 dsc->sc_mediachange = rtl80x9_mediachange;
145 dsc->sc_mediastatus = rtl80x9_mediastatus;
146 dsc->init_card = rtl80x9_init_card;
147 dsc->sc_media_init = rtl80x9_media_init;
148 }
149 break;
150
151 default:
152 printf(": where did the card go?!\n");
153 return;
154 }
155
156 printf(": %s", typestr);
157
158 /* This interface is always enabled. */
159 dsc->sc_enabled = 1;
160
161 /*
162 * Do generic NE2000 attach. This will read the station address
163 * from the EEPROM.
164 */
165 ne2000_attach(nsc, NULL);
166
167 /* Establish the interrupt handler. */
168 isc->sc_ih = isa_intr_establish(ipa->ia_ic, ipa->ipa_irq[0].num,
169 IST_EDGE, IPL_NET, dp8390_intr, dsc,
170 dsc->sc_dev.dv_xname);
171 if (isc->sc_ih == NULL)
172 printf(": couldn't establish interrupt handler\n");
173 }
174