1 /* $NetBSD: if_ne_isa.c,v 1.17 2004/02/13 10:05:50 wiz 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 <sys/cdefs.h>
41 __KERNEL_RCSID(0, "$NetBSD: if_ne_isa.c,v 1.17 2004/02/13 10:05:50 wiz Exp $");
42
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/mbuf.h>
46 #include <sys/socket.h>
47 #include <sys/ioctl.h>
48 #include <sys/errno.h>
49 #include <sys/syslog.h>
50 #include <sys/select.h>
51 #include <sys/device.h>
52
53 #include <net/if.h>
54 #include <net/if_dl.h>
55 #include <net/if_ether.h>
56 #include <net/if_media.h>
57
58 #include <machine/intr.h>
59 #include <machine/bus.h>
60
61 #include <dev/ic/dp8390reg.h>
62 #include <dev/ic/dp8390var.h>
63
64 #include <dev/ic/ne2000reg.h>
65 #include <dev/ic/ne2000var.h>
66
67 #include <dev/ic/rtl80x9reg.h>
68 #include <dev/ic/rtl80x9var.h>
69
70 #include <dev/isa/isavar.h>
71
72 int ne_isa_match __P((struct device *, struct cfdata *, void *));
73 void ne_isa_attach __P((struct device *, struct device *, void *));
74
75 struct ne_isa_softc {
76 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */
77
78 /* ISA-specific goo. */
79 void *sc_ih; /* interrupt cookie */
80 };
81
82 CFATTACH_DECL(ne_isa, sizeof(struct ne_isa_softc),
83 ne_isa_match, ne_isa_attach, NULL, NULL);
84
85 int
86 ne_isa_match(parent, match, aux)
87 struct device *parent;
88 struct cfdata *match;
89 void *aux;
90 {
91 struct isa_attach_args *ia = aux;
92 bus_space_tag_t nict = ia->ia_iot;
93 bus_space_handle_t nich;
94 bus_space_tag_t asict;
95 bus_space_handle_t asich;
96 int rv = 0;
97
98 if (ia->ia_nio < 1)
99 return (0);
100 if (ia->ia_nirq < 1)
101 return (0);
102
103 if (ISA_DIRECT_CONFIG(ia))
104 return (0);
105
106 /* Disallow wildcarded values. */
107 if (ia->ia_io[0].ir_addr == ISACF_PORT_DEFAULT)
108 return (0);
109 if (ia->ia_irq[0].ir_irq == ISACF_IRQ_DEFAULT)
110 return (0);
111
112 /* Make sure this is a valid NE[12]000 i/o address. */
113 if ((ia->ia_io[0].ir_addr & 0x1f) != 0)
114 return (0);
115
116 /* Map i/o space. */
117 if (bus_space_map(nict, ia->ia_io[0].ir_addr, NE2000_NPORTS, 0, &nich))
118 return (0);
119
120 asict = nict;
121 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
122 NE2000_ASIC_NPORTS, &asich))
123 goto out;
124
125 /* Look for an NE2000-compatible card. */
126 rv = ne2000_detect(nict, nich, asict, asich);
127
128 if (rv) {
129 ia->ia_nio = 1;
130 ia->ia_io[0].ir_size = NE2000_NPORTS;
131
132 ia->ia_nirq = 1;
133
134 ia->ia_niomem = 0;
135 ia->ia_ndrq = 0;
136 }
137
138 out:
139 bus_space_unmap(nict, nich, NE2000_NPORTS);
140 return (rv);
141 }
142
143 void
144 ne_isa_attach(parent, self, aux)
145 struct device *parent, *self;
146 void *aux;
147 {
148 struct ne_isa_softc *isc = (struct ne_isa_softc *)self;
149 struct ne2000_softc *nsc = &isc->sc_ne2000;
150 struct dp8390_softc *dsc = &nsc->sc_dp8390;
151 struct isa_attach_args *ia = aux;
152 bus_space_tag_t nict = ia->ia_iot;
153 bus_space_handle_t nich;
154 bus_space_tag_t asict = nict;
155 bus_space_handle_t asich;
156 const char *typestr;
157 int netype;
158
159 printf("\n");
160
161 /* Map i/o space. */
162 if (bus_space_map(nict, ia->ia_io[0].ir_addr, NE2000_NPORTS,
163 0, &nich)) {
164 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname);
165 return;
166 }
167
168 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
169 NE2000_ASIC_NPORTS, &asich)) {
170 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname);
171 return;
172 }
173
174 dsc->sc_regt = nict;
175 dsc->sc_regh = nich;
176
177 nsc->sc_asict = asict;
178 nsc->sc_asich = asich;
179
180 /*
181 * Detect it again, so we can print some information about the
182 * interface.
183 */
184 netype = ne2000_detect(nict, nich, asict, asich);
185 switch (netype) {
186 case NE2000_TYPE_NE1000:
187 typestr = "NE1000";
188 break;
189
190 case NE2000_TYPE_NE2000:
191 typestr = "NE2000";
192 /*
193 * Check for a Realtek 8019.
194 */
195 bus_space_write_1(nict, nich, ED_P0_CR,
196 ED_CR_PAGE_0 | ED_CR_STP);
197 if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) ==
198 RTL0_8019ID0 &&
199 bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) ==
200 RTL0_8019ID1) {
201 typestr = "NE2000 (RTL8019)";
202 dsc->sc_mediachange = rtl80x9_mediachange;
203 dsc->sc_mediastatus = rtl80x9_mediastatus;
204 dsc->init_card = rtl80x9_init_card;
205 dsc->sc_media_init = rtl80x9_media_init;
206 }
207 break;
208
209 default:
210 printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname);
211 return;
212 }
213
214 printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr);
215
216 /* This interface is always enabled. */
217 dsc->sc_enabled = 1;
218
219 /*
220 * Do generic NE2000 attach. This will read the station address
221 * from the EEPROM.
222 */
223 ne2000_attach(nsc, NULL);
224
225 /* Establish the interrupt handler. */
226 isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq,
227 IST_EDGE, IPL_NET, dp8390_intr, dsc);
228 if (isc->sc_ih == NULL)
229 printf("%s: couldn't establish interrupt handler\n",
230 dsc->sc_dev.dv_xname);
231 }
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