xref: /netbsd/sys/arch/evbppc/explora/dev/lpt_elb.c (revision 6550d01e)
1 /*	$NetBSD: lpt_elb.c,v 1.6 2008/04/28 20:23:17 martin Exp $	*/
2 
3 /*-
4  * Copyright (c) 2003 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Juergen Hannken-Illjes.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: lpt_elb.c,v 1.6 2008/04/28 20:23:17 martin Exp $");
34 
35 #include <sys/param.h>
36 #include <sys/conf.h>
37 #include <sys/device.h>
38 #include <sys/systm.h>
39 #include <sys/tty.h>
40 
41 #include <machine/bus.h>
42 
43 #include <dev/ic/lptreg.h>
44 #include <dev/ic/lptvar.h>
45 
46 #include <evbppc/explora/dev/elbvar.h>
47 
48 static int	lpt_elb_probe(device_t, cfdata_t , void *);
49 static void	lpt_elb_attach(device_t, device_t, void *);
50 
51 CFATTACH_DECL_NEW(lpt_elb, sizeof(struct lpt_softc),
52     lpt_elb_probe, lpt_elb_attach, NULL, NULL);
53 
54 int
55 lpt_elb_probe(device_t parent, cfdata_t cf, void *aux)
56 {
57 	struct elb_attach_args *oaa = aux;
58 
59 	if (strcmp(oaa->elb_name, cf->cf_name) != 0)
60 		return 0;
61 
62 	return (1);
63 }
64 
65 void
66 lpt_elb_attach(device_t parent, device_t self, void *aux)
67 {
68 	struct lpt_softc *sc = device_private(self);
69 	struct elb_attach_args *eaa = aux;
70 
71 	sc->sc_dev = self;
72 	sc->sc_iot = eaa->elb_bt;
73 	bus_space_map(sc->sc_iot,
74 	    _BUS_SPACE_UNSTRIDE(sc->sc_iot, eaa->elb_base), LPT_NPORTS,
75 	    0, &sc->sc_ioh);
76 
77 	aprint_normal("\n");
78 
79 	lpt_attach_subr(sc);
80 }
81