1 /* $NetBSD: if_ne_isapnp.c,v 1.27 2010/03/03 13:39:57 tsutsui 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 and Matt Thomas of the 3am Software Foundry.
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 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: if_ne_isapnp.c,v 1.27 2010/03/03 13:39:57 tsutsui Exp $");
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/select.h>
44 #include <sys/device.h>
45
46 #include <net/if.h>
47 #include <net/if_dl.h>
48 #include <net/if_ether.h>
49 #include <net/if_media.h>
50
51 #include <sys/intr.h>
52 #include <sys/bus.h>
53
54 #include <dev/ic/dp8390reg.h>
55 #include <dev/ic/dp8390var.h>
56
57 #include <dev/ic/ne2000reg.h>
58 #include <dev/ic/ne2000var.h>
59
60 #include <dev/isa/isavar.h>
61
62 #include <dev/isapnp/isapnpreg.h>
63 #include <dev/isapnp/isapnpvar.h>
64 #include <dev/isapnp/isapnpdevs.h>
65
66 static int ne_isapnp_match(device_t, cfdata_t , void *);
67 static void ne_isapnp_attach(device_t, device_t, void *);
68
69 struct ne_isapnp_softc {
70 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */
71
72 /* ISA-specific goo. */
73 void *sc_ih; /* interrupt cookie */
74 };
75
76 CFATTACH_DECL_NEW(ne_isapnp, sizeof(struct ne_isapnp_softc),
77 ne_isapnp_match, ne_isapnp_attach, NULL, NULL);
78
79 static int
ne_isapnp_match(device_t parent,cfdata_t match,void * aux)80 ne_isapnp_match(device_t parent, cfdata_t match, void *aux)
81 {
82 int pri, variant;
83
84 pri = isapnp_devmatch(aux, &isapnp_ne_devinfo, &variant);
85 if (pri && variant > 0)
86 pri = 0;
87 return (pri);
88 }
89
90 static void
ne_isapnp_attach(device_t parent,device_t self,void * aux)91 ne_isapnp_attach(device_t parent, device_t self, void *aux)
92 {
93 struct ne_isapnp_softc * const isc = device_private(self);
94 struct ne2000_softc * const nsc = &isc->sc_ne2000;
95 struct dp8390_softc * const dsc = &nsc->sc_dp8390;
96 struct isapnp_attach_args * const ipa = aux;
97 bus_space_tag_t nict;
98 bus_space_handle_t nich;
99 bus_space_tag_t asict;
100 bus_space_handle_t asich;
101 const char *typestr;
102 int netype;
103
104 aprint_normal("\n");
105
106 dsc->sc_dev = self;
107
108 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
109 aprint_error_dev(self, "can't configure isapnp resources\n");
110 return;
111 }
112
113 nict = ipa->ipa_iot;
114 nich = ipa->ipa_io[0].h;
115
116 asict = nict;
117
118 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
119 NE2000_ASIC_NPORTS, &asich)) {
120 aprint_error_dev(self, "can't subregion i/o space\n");
121 return;
122 }
123
124 dsc->sc_regt = nict;
125 dsc->sc_regh = nich;
126
127 nsc->sc_asict = asict;
128 nsc->sc_asich = asich;
129
130 /*
131 * Detect it again, so we can print some information about the
132 * interface.
133 */
134 netype = ne2000_detect(nict, nich, asict, asich);
135 switch (netype) {
136 case NE2000_TYPE_NE1000:
137 typestr = "NE1000";
138 break;
139
140 case NE2000_TYPE_NE2000:
141 typestr = "NE2000";
142 break;
143
144 case NE2000_TYPE_RTL8019:
145 typestr = "NE2000 (RTL8019)";
146 break;
147
148 default:
149 aprint_error_dev(self, "where did the card go?!\n");
150 return;
151 }
152
153 aprint_normal_dev(self, "%s Ethernet\n", typestr);
154
155 /* This interface is always enabled. */
156 dsc->sc_enabled = 1;
157
158 /*
159 * Do generic NE2000 attach. This will read the station address
160 * from the EEPROM.
161 */
162 ne2000_attach(nsc, NULL);
163
164 /* Establish the interrupt handler. */
165 isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
166 ipa->ipa_irq[0].type, IPL_NET, dp8390_intr, dsc);
167 if (isc->sc_ih == NULL)
168 aprint_error_dev(self,
169 "couldn't establish interrupt handler\n");
170 }
171