xref: /netbsd-src/sys/dev/podulebus/if_eb.c (revision 3b01aba77a7a698587faaae455bbfe740923c1f5)
1 /* $NetBSD: if_eb.c,v 1.1 2001/03/25 01:09:36 bjh21 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_eb.c - EtherB device driver
37  */
38 
39 #include <sys/param.h>
40 
41 __RCSID("$NetBSD: if_eb.c,v 1.1 2001/03/25 01:09:36 bjh21 Exp $");
42 
43 #include <sys/device.h>
44 #include <sys/socket.h>
45 #include <sys/systm.h>
46 
47 #include <machine/bus.h>
48 #include <machine/intr.h>
49 
50 #include <net/if.h>
51 #include <net/if_ether.h>
52 
53 #include <dev/podulebus/podulebus.h>
54 #include <dev/podulebus/podules.h>
55 
56 #include <dev/podulebus/if_ebreg.h>
57 #include <dev/ic/seeq8005var.h>
58 
59 /*
60  * per-line info and status
61  */
62 
63 struct eb_softc {
64 	struct seeq8005_softc	sc_8005;
65 	void	*sc_ih;
66 	struct evcnt sc_intrcnt;
67 };
68 
69 /*
70  * prototypes
71  */
72 
73 int ebprobe(struct device *, struct cfdata *, void *);
74 void ebattach(struct device *, struct device *, void *);
75 
76 /* driver structure for autoconf */
77 
78 struct cfattach eb_ca = {
79 	sizeof(struct eb_softc), ebprobe, ebattach
80 };
81 
82 /*
83  * Probe routine.
84  */
85 
86 /*
87  * Probe for the ether3 podule.
88  */
89 
90 int
91 ebprobe(struct device *parent, struct cfdata *cf, void *aux)
92 {
93 	struct podulebus_attach_args *pa = aux;
94 
95 	if (matchpodule(pa, MANUFACTURER_ANT, PODULE_ANT_ETHERB, -1) == 0)
96 		return 0;
97 
98 	return 1;
99 }
100 
101 
102 /*
103  * Attach podule.
104  */
105 
106 void
107 ebattach(struct device *parent, struct device *self, void *aux)
108 {
109 	struct eb_softc *sc = (void *)self;
110 	struct podulebus_attach_args *pa = aux;
111 	u_int8_t myaddr[ETHER_ADDR_LEN];
112 
113 /*	dprintf(("Attaching %s...\n", sc->sc_dev.dv_xname));*/
114 
115 	/* Set the address of the controller for easy access */
116 	podulebus_shift_tag(pa->pa_mod_t, EB_8004_SHIFT, &sc->sc_8005.sc_iot);
117 	bus_space_map(sc->sc_8005.sc_iot, pa->pa_mod_base + EB_8004_BASE,
118 	    /* XXX */ 0, 0, &sc->sc_8005.sc_ioh);
119 
120 	/*
121 	 * Build the address from the machine id.
122 	 */
123 	netslot_ea(myaddr);
124 
125 	printf(":");
126 	seeq8005_attach(&sc->sc_8005, myaddr, NULL, 0, 0);
127 
128 	/* Claim a podule interrupt */
129 
130 	evcnt_attach_dynamic(&sc->sc_intrcnt, EVCNT_TYPE_INTR, NULL,
131 	    self->dv_xname, "intr");
132 	sc->sc_ih = podulebus_irq_establish(pa->pa_ih, IPL_NET, seeq8005intr,
133 	    sc, &sc->sc_intrcnt);
134 }
135 
136 /* End of if_eb.c */
137