xref: /netbsd-src/sys/dev/podulebus/if_ea.c (revision 1ca5c1b28139779176bd5c13ad7c5f25c0bcd5f8)
1 /* $NetBSD: if_ea.c,v 1.5 2001/11/13 13:32:34 lukem 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 1.5 2001/11/13 13:32:34 lukem 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 <machine/bus.h>
49 #include <machine/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(struct device *, struct cfdata *, void *);
75 void eaattach(struct device *, struct device *, void *);
76 
77 /* driver structure for autoconf */
78 
79 struct cfattach ea_ca = {
80 	sizeof(struct ea_softc), eaprobe, eaattach
81 };
82 
83 /*
84  * Probe routine.
85  */
86 
87 /*
88  * Probe for the ether3 podule.
89  */
90 
91 int
92 eaprobe(struct device *parent, struct cfdata *cf, void *aux)
93 {
94 	struct podulebus_attach_args *pa = aux;
95 
96 	if ((matchpodule(pa, MANUFACTURER_ATOMWIDE,
97 			 PODULE_ATOMWIDE_ETHER3, -1) == 0)
98 	    && (matchpodule(pa, MANUFACTURER_ACORN,
99 			    PODULE_ACORN_ETHER3XXX, -1) == 0)
100 	    && (matchpodule(pa, MANUFACTURER_ANT, PODULE_ANT_ETHER3, -1) == 0))
101 		return 0;
102 
103 	return 1;
104 }
105 
106 
107 /*
108  * Attach podule.
109  */
110 
111 void
112 eaattach(struct device *parent, struct device *self, void *aux)
113 {
114 	struct ea_softc *sc = (void *)self;
115 	struct podulebus_attach_args *pa = aux;
116 	u_int8_t myaddr[ETHER_ADDR_LEN];
117 	char *ptr;
118 	int i;
119 
120 /*	dprintf(("Attaching %s...\n", sc->sc_dev.dv_xname));*/
121 
122 	/* Set the address of the controller for easy access */
123 	podulebus_shift_tag(pa->pa_mod_t, EA_8005_SHIFT, &sc->sc_8005.sc_iot);
124 	bus_space_map(sc->sc_8005.sc_iot, pa->pa_mod_base, /* XXX */ 0, 0,
125 	    &sc->sc_8005.sc_ioh);
126 
127 	/* Get the Ethernet address from the device description string. */
128 	if (pa->pa_descr == NULL) {
129 		printf(": No description for Ethernet address\n");
130 		return;
131 	}
132 	ptr = strchr(pa->pa_descr, '(');
133 	if (ptr == NULL) {
134 		printf(": Ethernet address not found in description\n");
135 		return;
136 	}
137 	ptr++;
138 	for (i = 0; i < ETHER_ADDR_LEN; i++) {
139 		myaddr[i] = strtoul(ptr, &ptr, 16);
140 		if (*ptr++ != (i == ETHER_ADDR_LEN - 1 ? ')' : ':')) {
141 			printf(": Bad Ethernet address found in "
142 			       "description\n");
143 			return;
144 		}
145 	}
146 
147 	printf(":");
148 	seeq8005_attach(&sc->sc_8005, myaddr, NULL, 0, 0);
149 
150 	/* Claim a podule interrupt */
151 
152 	evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL,
153 	    self->dv_xname, "intr");
154 	sc->sc_ih = podulebus_irq_establish(pa->pa_ih, IPL_NET, seeq8005intr,
155 	    sc, &sc->sc_intrcnt);
156 }
157 
158 /* End of if_ea.c */
159