if_ep_pcmcia.c revision 1.4 1 /* $NetBSD: if_ep_pcmcia.c,v 1.4 1998/01/11 22:22:12 marc Exp $ */
2
3 /*
4 * Copyright (c) 1997 Marc Horowitz. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Marc Horowitz.
17 * 4. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include "bpfilter.h"
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/mbuf.h>
37 #include <sys/socket.h>
38 #include <sys/ioctl.h>
39 #include <sys/errno.h>
40 #include <sys/syslog.h>
41 #include <sys/select.h>
42 #include <sys/device.h>
43
44 #include <net/if.h>
45 #include <net/if_dl.h>
46 #include <net/if_ether.h>
47 #include <net/if_media.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_inarp.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 #include <machine/intr.h>
70
71 #include <dev/ic/elink3var.h>
72 #include <dev/ic/elink3reg.h>
73
74 #include <dev/pcmcia/pcmciareg.h>
75 #include <dev/pcmcia/pcmciavar.h>
76
77 #define PCMCIA_MANUFACTURER_3COM 0x101
78 #define PCMCIA_PRODUCT_3COM_3C562 0x562
79 #define PCMCIA_PRODUCT_3COM_3C589 0x589
80
81 #ifdef __BROKEN_INDIRECT_CONFIG
82 int ep_pcmcia_match __P((struct device *, void *, void *));
83 #else
84 int ep_pcmcia_match __P((struct device *, struct cfdata *, void *));
85 #endif
86 void ep_pcmcia_attach __P((struct device *, struct device *, void *));
87
88 int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *));
89 int ep_pcmcia_enable __P((struct ep_softc *));
90 void ep_pcmcia_disable __P((struct ep_softc *));
91
92 struct ep_pcmcia_softc {
93 struct ep_softc sc_ep; /* real "ep" softc */
94
95 /* PCMCIA-specific goo */
96 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
97 int sc_io_window; /* our i/o window */
98 struct pcmcia_function *sc_pf; /* our PCMCIA function */
99 };
100
101 struct cfattach ep_pcmcia_ca = {
102 sizeof(struct ep_pcmcia_softc), ep_pcmcia_match, ep_pcmcia_attach
103 };
104
105 int
106 ep_pcmcia_match(parent, match, aux)
107 struct device *parent;
108 #ifdef __BROKEN_INDIRECT_CONFIG
109 void *match;
110 #else
111 struct cfdata *match;
112 #endif
113 void *aux;
114 {
115 struct pcmcia_attach_args *pa = aux;
116
117 if (pa->manufacturer == PCMCIA_MANUFACTURER_3COM) {
118 switch (pa->product) {
119 case PCMCIA_PRODUCT_3COM_3C562:
120 case PCMCIA_PRODUCT_3COM_3C589:
121 if (pa->pf->number == 0)
122 return (1);
123 }
124 }
125
126 return (0);
127 }
128
129 int
130 ep_pcmcia_enable(sc)
131 struct ep_softc *sc;
132 {
133 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
134
135 /* establish the interrupt. */
136 sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, epintr, sc);
137 if (sc->sc_ih == NULL) {
138 printf("%s: couldn't establish interrupt\n",
139 sc->sc_dev.dv_xname);
140 return (1);
141 }
142
143 return (pcmcia_function_enable(psc->sc_pf));
144 }
145
146 void
147 ep_pcmcia_disable(sc)
148 struct ep_softc *sc;
149 {
150 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
151
152 pcmcia_function_disable(psc->sc_pf);
153
154 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
155 }
156
157 void
158 ep_pcmcia_attach(parent, self, aux)
159 struct device *parent, *self;
160 void *aux;
161 {
162 struct ep_pcmcia_softc *psc = (void *) self;
163 struct ep_softc *sc = &psc->sc_ep;
164 struct pcmcia_attach_args *pa = aux;
165 struct pcmcia_config_entry *cfe;
166 int i;
167 u_int8_t myla[ETHER_ADDR_LEN];
168 u_int8_t *enaddr;
169 char *model;
170
171 psc->sc_pf = pa->pf;
172 cfe = pa->pf->cfe_head.sqh_first;
173
174 /* Enable the card. */
175 pcmcia_function_init(pa->pf, cfe);
176 if (pcmcia_function_enable(pa->pf))
177 printf(": function enable failed\n");
178
179 sc->enabled = 1;
180 /* turn off the bit which disables the modem */
181 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
182 int reg;
183
184 reg = pcmcia_ccr_read(pa->pf, PCMCIA_CCR_OPTION);
185 reg &= ~0x08;
186 pcmcia_ccr_write(pa->pf, PCMCIA_CCR_OPTION, reg);
187 }
188 if (cfe->num_memspace != 0)
189 printf(": unexpected number of memory spaces %d should be 0\n",
190 cfe->num_memspace);
191
192 if (cfe->num_iospace != 1)
193 printf(": unexpected number of I/O spaces %d should be 1\n",
194 cfe->num_iospace);
195
196 /*
197 * XXX there's a comment in the linux driver about the io address
198 * having to be between 0x00 and 0x70 mod 0x100. weird.
199 */
200
201 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
202 bus_addr_t maxaddr = (pa->pf->sc->iobase + pa->pf->sc->iosize);
203
204 for (i = ((pa->pf->sc->iobase % 0x100) <= 0x70)?
205 pa->pf->sc->iobase:
206 roundup(pa->pf->sc->iobase, 0x100);
207 i < maxaddr;
208 i += ((i % 0x100) == 0x70) ? 0x90 : 0x10) {
209 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length,
210 0, &psc->sc_pcioh) == 0)
211 break;
212 }
213 if (i >= maxaddr) {
214 printf(": can't allocate i/o space\n");
215 return;
216 }
217 } else {
218 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
219 cfe->iospace[0].length, &psc->sc_pcioh))
220 printf(": can't allocate i/o space\n");
221 }
222
223 sc->sc_iot = psc->sc_pcioh.iot;
224 sc->sc_ioh = psc->sc_pcioh.ioh;
225
226 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
227 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length,
228 &psc->sc_pcioh, &psc->sc_io_window)) {
229 printf(": can't map i/o space\n");
230 return;
231 }
232 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
233 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla)) {
234 printf(": can't read ethernet address from CIS\n");
235 return;
236 }
237 enaddr = myla;
238 } else {
239 enaddr = NULL;
240 }
241
242 sc->bustype = EP_BUS_PCMCIA;
243
244 switch (pa->product) {
245 case PCMCIA_PRODUCT_3COM_3C589:
246 model = "3Com 3C589 Ethernet";
247 break;
248 case PCMCIA_PRODUCT_3COM_3C562:
249 model = "3Com 3C562 Ethernet";
250 break;
251 default:
252 model = "3Com Ethernet, model unknown";
253 break;
254 }
255
256 printf(": %s\n", model);
257
258 sc->enable = ep_pcmcia_enable;
259 sc->disable = ep_pcmcia_disable;
260
261 epconfig(sc, EP_CHIPSET_3C509, enaddr);
262
263 sc->enabled = 0;
264
265 pcmcia_function_disable(pa->pf);
266 }
267
268 int
269 ep_pcmcia_get_enaddr(tuple, arg)
270 struct pcmcia_tuple *tuple;
271 void *arg;
272 {
273 u_int8_t *myla = arg;
274 int i;
275
276 /* this is 3c562 magic */
277
278 if (tuple->code == 0x88) {
279 if (tuple->length < ETHER_ADDR_LEN)
280 return (0);
281
282 for (i = 0; i < ETHER_ADDR_LEN; i += 2) {
283 myla[i] = pcmcia_tuple_read_1(tuple, i + 1);
284 myla[i + 1] = pcmcia_tuple_read_1(tuple, i);
285 }
286
287 return (1);
288 }
289 return (0);
290 }
291