1 /* $NetBSD: if_ea.c,v 1.18 2023/08/03 08:35:14 mrg Exp $ */
2
3 /*
4 * Copyright (c) 2000, 2001 Ben Harris
5 * Copyright (c) 1995 Mark Brinicombe
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by Mark Brinicombe.
19 * 4. The name of the company nor the name of the author may be used to
20 * endorse or promote products derived from this software without specific
21 * prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35 /*
36 * if_ea.c - Ether3 device driver
37 */
38
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: if_ea.c,v 1.18 2023/08/03 08:35:14 mrg Exp $");
41
42 #include <sys/param.h>
43
44 #include <sys/device.h>
45 #include <sys/socket.h>
46 #include <sys/systm.h>
47
48 #include <sys/bus.h>
49 #include <sys/intr.h>
50
51 #include <net/if.h>
52 #include <net/if_ether.h>
53
54 #include <dev/podulebus/podulebus.h>
55 #include <dev/podulebus/podules.h>
56
57 #include <dev/podulebus/if_eareg.h>
58 #include <dev/ic/seeq8005var.h>
59
60 /*
61 * per-line info and status
62 */
63
64 struct ea_softc {
65 struct seeq8005_softc sc_8005;
66 void *sc_ih;
67 struct evcnt sc_intrcnt;
68 };
69
70 /*
71 * prototypes
72 */
73
74 int eaprobe(device_t, cfdata_t, void *);
75 void eaattach(device_t, device_t, void *);
76
77 /* driver structure for autoconf */
78
79 CFATTACH_DECL_NEW(ea, sizeof(struct ea_softc),
80 eaprobe, eaattach, NULL, NULL);
81
82 /*
83 * Probe routine.
84 */
85
86 /*
87 * Probe for the ether3 podule.
88 */
89
90 int
eaprobe(device_t parent,cfdata_t cf,void * aux)91 eaprobe(device_t parent, cfdata_t cf, void *aux)
92 {
93 struct podulebus_attach_args *pa = aux;
94
95 return pa->pa_product == PODULE_ETHER3;
96 }
97
98
99 /*
100 * Attach podule.
101 */
102
103 void
eaattach(device_t parent,device_t self,void * aux)104 eaattach(device_t parent, device_t self, void *aux)
105 {
106 struct ea_softc *sc = device_private(self);
107 struct podulebus_attach_args *pa = aux;
108 u_int8_t myaddr[ETHER_ADDR_LEN];
109 char *ptr;
110 int i;
111
112 sc->sc_8005.sc_dev = self;
113
114 /* dprintf(("Attaching %s...\n", device_xname(self)));*/
115
116 /* Set the address of the controller for easy access */
117 podulebus_shift_tag(pa->pa_mod_t, EA_8005_SHIFT, &sc->sc_8005.sc_iot);
118 bus_space_map(sc->sc_8005.sc_iot, pa->pa_mod_base, /* XXX */ 0, 0,
119 &sc->sc_8005.sc_ioh);
120
121 /* Get the Ethernet address from the device description string. */
122 if (pa->pa_descr[0] == '\0') {
123 printf(": No description for Ethernet address\n");
124 return;
125 }
126 ptr = strchr(pa->pa_descr, '(');
127 if (ptr == NULL) {
128 printf(": Ethernet address not found in description\n");
129 return;
130 }
131 ptr++;
132 for (i = 0; i < ETHER_ADDR_LEN; i++) {
133 myaddr[i] = strtoul(ptr, &ptr, 16);
134 if (*ptr++ != (i == ETHER_ADDR_LEN - 1 ? ')' : ':')) {
135 printf(": Bad Ethernet address found in "
136 "description\n");
137 return;
138 }
139 }
140
141 printf(":");
142 seeq8005_attach(&sc->sc_8005, myaddr, NULL, 0, 0);
143
144 /* Claim a podule interrupt */
145
146 evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL,
147 device_xname(self), "intr");
148 sc->sc_ih = podulebus_irq_establish(pa->pa_ih, IPL_NET, seeq8005intr,
149 sc, &sc->sc_intrcnt);
150 }
151
152 /* End of if_ea.c */
153