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