if_ep_mca.c revision 1.2.2.3 1 1.2.2.3 nathanw /* $NetBSD: if_ep_mca.c,v 1.2.2.3 2001/06/21 20:04:04 nathanw Exp $ */
2 1.2.2.2 nathanw
3 1.2.2.2 nathanw /*-
4 1.2.2.2 nathanw * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 1.2.2.2 nathanw * All rights reserved.
6 1.2.2.2 nathanw *
7 1.2.2.2 nathanw * This code is derived from software contributed to The NetBSD Foundation
8 1.2.2.2 nathanw * by Jaromir Dolecek.
9 1.2.2.2 nathanw *
10 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without
11 1.2.2.2 nathanw * modification, are permitted provided that the following conditions
12 1.2.2.2 nathanw * are met:
13 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright
14 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer.
15 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright
16 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the
17 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution.
18 1.2.2.2 nathanw * 3. All advertising materials mentioning features or use of this software
19 1.2.2.2 nathanw * must display the following acknowledgement:
20 1.2.2.2 nathanw * This product includes software developed by the NetBSD
21 1.2.2.2 nathanw * Foundation, Inc. and its contributors.
22 1.2.2.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.2.2.2 nathanw * contributors may be used to endorse or promote products derived
24 1.2.2.2 nathanw * from this software without specific prior written permission.
25 1.2.2.2 nathanw *
26 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.2.2.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.2.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.2.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.2.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.2.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.2.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.2.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.2.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.2.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.2.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE.
37 1.2.2.2 nathanw */
38 1.2.2.2 nathanw
39 1.2.2.2 nathanw /*
40 1.2.2.2 nathanw * Copyright (c) 1997 Jonathan Stone <jonathan (at) NetBSD.org>
41 1.2.2.2 nathanw * Copyright (c) 1994 Herb Peyerl <hpeyerl (at) beer.org>
42 1.2.2.2 nathanw * All rights reserved.
43 1.2.2.2 nathanw *
44 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without
45 1.2.2.2 nathanw * modification, are permitted provided that the following conditions
46 1.2.2.2 nathanw * are met:
47 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright
48 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer.
49 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright
50 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the
51 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution.
52 1.2.2.2 nathanw * 3. All advertising materials mentioning features or use of this software
53 1.2.2.2 nathanw * must display the following acknowledgement:
54 1.2.2.2 nathanw * This product includes software developed by Herb Peyerl.
55 1.2.2.2 nathanw * 4. The name of Herb Peyerl may not be used to endorse or promote products
56 1.2.2.2 nathanw * derived from this software without specific prior written permission.
57 1.2.2.2 nathanw *
58 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
59 1.2.2.2 nathanw * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
60 1.2.2.2 nathanw * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
61 1.2.2.2 nathanw * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
62 1.2.2.2 nathanw * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
63 1.2.2.2 nathanw * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
64 1.2.2.2 nathanw * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
65 1.2.2.2 nathanw * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
66 1.2.2.2 nathanw * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
67 1.2.2.2 nathanw * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
68 1.2.2.2 nathanw */
69 1.2.2.2 nathanw
70 1.2.2.2 nathanw /*
71 1.2.2.2 nathanw * Driver for 3Com 3c529 cards.
72 1.2.2.2 nathanw *
73 1.2.2.3 nathanw * If you encouter sucky performance, try kernel without DEBUG/DIAGNOSTIC.
74 1.2.2.3 nathanw * This helped on my test machine to change the performance of the card
75 1.2.2.3 nathanw * from like 5KB/s to like 800 KB/s.
76 1.2.2.2 nathanw */
77 1.2.2.2 nathanw
78 1.2.2.2 nathanw #include <sys/param.h>
79 1.2.2.2 nathanw #include <sys/systm.h>
80 1.2.2.2 nathanw #include <sys/mbuf.h>
81 1.2.2.2 nathanw #include <sys/socket.h>
82 1.2.2.2 nathanw #include <sys/ioctl.h>
83 1.2.2.2 nathanw #include <sys/errno.h>
84 1.2.2.2 nathanw #include <sys/device.h>
85 1.2.2.2 nathanw
86 1.2.2.2 nathanw #include <net/if.h>
87 1.2.2.2 nathanw #include <net/if_ether.h>
88 1.2.2.2 nathanw #include <net/if_media.h>
89 1.2.2.2 nathanw
90 1.2.2.2 nathanw #include <machine/bus.h>
91 1.2.2.2 nathanw
92 1.2.2.2 nathanw #include <dev/mii/miivar.h>
93 1.2.2.2 nathanw
94 1.2.2.2 nathanw #include <dev/ic/elink3var.h>
95 1.2.2.2 nathanw #include <dev/ic/elink3reg.h>
96 1.2.2.2 nathanw
97 1.2.2.2 nathanw #include <dev/mca/mcavar.h>
98 1.2.2.2 nathanw #include <dev/mca/mcadevs.h>
99 1.2.2.2 nathanw
100 1.2.2.2 nathanw /*
101 1.2.2.2 nathanw * MCA constants.
102 1.2.2.2 nathanw */
103 1.2.2.2 nathanw #define MCA_CBIO 0x200 /* Configuration Base IO Address */
104 1.2.2.2 nathanw #define MCA_IOSZ 0x10 /* I/O space size */
105 1.2.2.2 nathanw
106 1.2.2.2 nathanw int ep_mca_match __P((struct device *, struct cfdata *, void *));
107 1.2.2.2 nathanw void ep_mca_attach __P((struct device *, struct device *, void *));
108 1.2.2.2 nathanw
109 1.2.2.2 nathanw struct cfattach ep_mca_ca = {
110 1.2.2.2 nathanw sizeof(struct ep_softc), ep_mca_match, ep_mca_attach
111 1.2.2.2 nathanw };
112 1.2.2.2 nathanw
113 1.2.2.2 nathanw const struct ep_mca_product {
114 1.2.2.2 nathanw u_int32_t epp_prodid; /* MCA product ID */
115 1.2.2.2 nathanw const char *epp_name; /* device name */
116 1.2.2.2 nathanw } ep_mca_products[] = {
117 1.2.2.2 nathanw { MCA_PRODUCT_3C529_TP, "3c529-TP Ethernet Adapter" },
118 1.2.2.2 nathanw { MCA_PRODUCT_3C529_TM, "3c529 Ethernet Adapter (test mode)" },
119 1.2.2.2 nathanw { MCA_PRODUCT_3C529_2T, "3c529 Ethernet Adapter (10base2/T)" },
120 1.2.2.2 nathanw { MCA_PRODUCT_3C529_T, "3c529 Ethernet Adapter (10baseT)" },
121 1.2.2.2 nathanw
122 1.2.2.2 nathanw { 0, NULL },
123 1.2.2.2 nathanw };
124 1.2.2.2 nathanw
125 1.2.2.2 nathanw static const struct ep_mca_product *ep_mca_lookup
126 1.2.2.2 nathanw __P((const struct mca_attach_args *));
127 1.2.2.2 nathanw
128 1.2.2.2 nathanw static const struct ep_mca_product *
129 1.2.2.2 nathanw ep_mca_lookup(ma)
130 1.2.2.2 nathanw const struct mca_attach_args *ma;
131 1.2.2.2 nathanw {
132 1.2.2.2 nathanw const struct ep_mca_product *epp;
133 1.2.2.2 nathanw
134 1.2.2.2 nathanw for (epp = ep_mca_products; epp->epp_name != NULL; epp++)
135 1.2.2.2 nathanw if (ma->ma_id == epp->epp_prodid)
136 1.2.2.2 nathanw return (epp);
137 1.2.2.2 nathanw
138 1.2.2.2 nathanw return (NULL);
139 1.2.2.2 nathanw }
140 1.2.2.2 nathanw
141 1.2.2.2 nathanw int
142 1.2.2.2 nathanw ep_mca_match(parent, match, aux)
143 1.2.2.2 nathanw struct device *parent;
144 1.2.2.2 nathanw struct cfdata *match;
145 1.2.2.2 nathanw void *aux;
146 1.2.2.2 nathanw {
147 1.2.2.2 nathanw struct mca_attach_args *ma = (struct mca_attach_args *) aux;
148 1.2.2.2 nathanw
149 1.2.2.2 nathanw if (ep_mca_lookup(ma) != NULL)
150 1.2.2.2 nathanw return (1);
151 1.2.2.2 nathanw
152 1.2.2.2 nathanw return (0);
153 1.2.2.2 nathanw }
154 1.2.2.2 nathanw
155 1.2.2.2 nathanw void
156 1.2.2.2 nathanw ep_mca_attach(parent, self, aux)
157 1.2.2.2 nathanw struct device *parent, *self;
158 1.2.2.2 nathanw void *aux;
159 1.2.2.2 nathanw {
160 1.2.2.2 nathanw struct ep_softc *sc = (void *)self;
161 1.2.2.2 nathanw struct mca_attach_args *ma = aux;
162 1.2.2.2 nathanw bus_space_handle_t ioh;
163 1.2.2.2 nathanw int pos4, pos5, iobase, irq, media;
164 1.2.2.2 nathanw const struct ep_mca_product *epp;
165 1.2.2.2 nathanw
166 1.2.2.2 nathanw pos4 = mca_conf_read(ma->ma_mc, ma->ma_slot, 4);
167 1.2.2.2 nathanw pos5 = mca_conf_read(ma->ma_mc, ma->ma_slot, 5);
168 1.2.2.2 nathanw
169 1.2.2.2 nathanw /*
170 1.2.2.2 nathanw * POS register 2: (adf pos0)
171 1.2.2.2 nathanw * 7 6 5 4 3 2 1 0
172 1.2.2.2 nathanw * \__ enable: 0=adapter disabled, 1=adapter enabled
173 1.2.2.2 nathanw *
174 1.2.2.2 nathanw * POS register 3: (adf pos1)
175 1.2.2.2 nathanw *
176 1.2.2.2 nathanw * 7 6 5 4 3 2 1 0
177 1.2.2.2 nathanw * \________/
178 1.2.2.2 nathanw * \_______ Boot ROM Address Range: 0=disabled
179 1.2.2.2 nathanw * X=0xc2000-0xc3fff + (x * 0x2000)
180 1.2.2.2 nathanw *
181 1.2.2.2 nathanw * POS register 4: (adf pos2)
182 1.2.2.2 nathanw *
183 1.2.2.2 nathanw * 7 6 5 4 3 2 1 0
184 1.2.2.2 nathanw * \________/ \_/
185 1.2.2.2 nathanw * \ \__ Transceiver Type: 00=on-board (RJ45), 01=ext(AUI)
186 1.2.2.2 nathanw * \______ I/O Address Range: 0x200-0x20f + ((x>>2) * 0x400)
187 1.2.2.2 nathanw *
188 1.2.2.2 nathanw * POS register 5: (adf pos3)
189 1.2.2.2 nathanw *
190 1.2.2.2 nathanw * 7 6 5 4 3 2 1 0
191 1.2.2.2 nathanw * \____/
192 1.2.2.2 nathanw * \__ Interrupt level
193 1.2.2.2 nathanw */
194 1.2.2.2 nathanw
195 1.2.2.2 nathanw iobase = MCA_CBIO + (((pos4 & 0xfc) >> 2) * 0x400);
196 1.2.2.3 nathanw irq = (pos5 & 0x0f);
197 1.2.2.2 nathanw
198 1.2.2.2 nathanw /* map the pio registers */
199 1.2.2.2 nathanw if (bus_space_map(ma->ma_iot, iobase, MCA_IOSZ, 0, &ioh)) {
200 1.2.2.3 nathanw printf(": unable to map i/o space\n", sc->sc_dev.dv_xname);
201 1.2.2.2 nathanw return;
202 1.2.2.2 nathanw }
203 1.2.2.2 nathanw
204 1.2.2.2 nathanw sc->sc_iot = ma->ma_iot;
205 1.2.2.2 nathanw sc->sc_ioh = ioh;
206 1.2.2.2 nathanw
207 1.2.2.2 nathanw epp = ep_mca_lookup(ma);
208 1.2.2.2 nathanw if (epp == NULL) {
209 1.2.2.2 nathanw printf("\n");
210 1.2.2.2 nathanw panic("ep_mca_attach: impossible");
211 1.2.2.2 nathanw }
212 1.2.2.2 nathanw
213 1.2.2.3 nathanw printf(" slot %d irq %d: 3Com %s\n", ma->ma_slot + 1,
214 1.2.2.3 nathanw irq, epp->epp_name);
215 1.2.2.2 nathanw
216 1.2.2.2 nathanw sc->enable = NULL;
217 1.2.2.2 nathanw sc->disable = NULL;
218 1.2.2.2 nathanw sc->enabled = 1;
219 1.2.2.2 nathanw
220 1.2.2.2 nathanw sc->bustype = ELINK_BUS_MCA;
221 1.2.2.2 nathanw sc->ep_flags = 0;
222 1.2.2.2 nathanw
223 1.2.2.2 nathanw if (epconfig(sc, ELINK_CHIPSET_3C509, NULL))
224 1.2.2.2 nathanw return;
225 1.2.2.2 nathanw
226 1.2.2.2 nathanw /* Map and establish the interrupt. */
227 1.2.2.2 nathanw sc->sc_ih = mca_intr_establish(ma->ma_mc, irq, IPL_NET, epintr, sc);
228 1.2.2.2 nathanw if (sc->sc_ih == NULL) {
229 1.2.2.2 nathanw printf("%s: couldn't establish interrupt handler\n",
230 1.2.2.2 nathanw sc->sc_dev.dv_xname);
231 1.2.2.2 nathanw return;
232 1.2.2.2 nathanw }
233 1.2.2.2 nathanw
234 1.2.2.2 nathanw /*
235 1.2.2.2 nathanw * Set default media to be same as the one selected in POS.
236 1.2.2.2 nathanw */
237 1.2.2.2 nathanw switch (pos4 & 0x03) {
238 1.2.2.2 nathanw case 0x00:
239 1.2.2.2 nathanw /* on-board RJ-45 */
240 1.2.2.2 nathanw media = IFM_10_T;
241 1.2.2.2 nathanw break;
242 1.2.2.2 nathanw case 0x01:
243 1.2.2.2 nathanw /* external AUI */
244 1.2.2.2 nathanw media = IFM_10_5;
245 1.2.2.2 nathanw break;
246 1.2.2.2 nathanw case 0x02:
247 1.2.2.2 nathanw /* undefined, should never be set */
248 1.2.2.2 nathanw media = IFM_NONE;
249 1.2.2.2 nathanw break;
250 1.2.2.2 nathanw case 0x03:
251 1.2.2.2 nathanw /* BNC */
252 1.2.2.2 nathanw media = IFM_10_2;
253 1.2.2.2 nathanw break;
254 1.2.2.2 nathanw }
255 1.2.2.2 nathanw ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|media);
256 1.2.2.2 nathanw }
257