xref: /netbsd/sys/arch/atari/vme/vme.c (revision 6550d01e)
1 /*	$NetBSD: vme.c,v 1.16 2009/03/14 21:04:08 dsl Exp $	*/
2 
3 /*-
4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __KERNEL_RCSID(0, "$NetBSD: vme.c,v 1.16 2009/03/14 21:04:08 dsl Exp $");
31 
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/conf.h>
36 #include <sys/malloc.h>
37 #include <sys/device.h>
38 
39 #include <machine/intr.h>
40 
41 #include <atari/vme/vmevar.h>
42 
43 int vmematch(struct device *, struct cfdata *, void *);
44 void vmeattach(struct device *, struct device *, void *);
45 int vmeprint(void *, const char *);
46 
47 CFATTACH_DECL(vme, sizeof(struct vme_softc),
48     vmematch, vmeattach, NULL, NULL);
49 
50 int	vmesearch(struct device *, struct cfdata *,
51 		       const int *, void *);
52 
53 int
54 vmematch(struct device *parent, struct cfdata *cf, void *aux)
55 {
56 	struct vmebus_attach_args *vba = aux;
57 
58 	if (strcmp(vba->vba_busname, cf->cf_name))
59 		return (0);
60 
61         return (1);
62 }
63 
64 void
65 vmeattach(struct device *parent, struct device *self, void *aux)
66 {
67 	struct vme_softc *sc = (struct vme_softc *)self;
68 	struct vmebus_attach_args *vba = aux;
69 
70 	printf("\n");
71 
72 	sc->sc_iot  = vba->vba_iot;
73 	sc->sc_memt = vba->vba_memt;
74 	sc->sc_vc   = vba->vba_vc;
75 
76 	config_search_ia(vmesearch, self, "vme", NULL);
77 }
78 
79 int
80 vmeprint(void *aux, const char *vme)
81 {
82 	struct vme_attach_args *va = aux;
83 
84 	if (va->va_iosize)
85 		aprint_normal(" port 0x%x", va->va_iobase);
86 	if (va->va_iosize > 1)
87 		aprint_normal("-0x%x", va->va_iobase + va->va_iosize - 1);
88 	if (va->va_msize)
89 		aprint_normal(" iomem 0x%x", va->va_maddr);
90 	if (va->va_msize > 1)
91 		aprint_normal("-0x%x", va->va_maddr + va->va_msize - 1);
92 	if (va->va_irq != IRQUNK)
93 		aprint_normal(" irq %d", va->va_irq);
94 	return (UNCONF);
95 }
96 
97 int
98 vmesearch(struct device *parent, struct cfdata *cf, const int *ldesc, void *aux)
99 {
100 	struct vme_softc *sc = (struct vme_softc *)parent;
101 	struct vme_attach_args va;
102 
103 	va.va_iot    = sc->sc_iot;
104 	va.va_memt   = sc->sc_memt;
105 	va.va_vc     = sc->sc_vc;
106 	va.va_iobase = cf->cf_iobase;
107 	va.va_iosize = cf->cf_iosize;
108 	va.va_maddr  = cf->cf_maddr;
109 	va.va_msize  = cf->cf_msize;
110 	va.va_irq    = cf->cf_irq;
111 
112 	if (config_match(parent, cf, &va) > 0)
113 		config_attach(parent, cf, &va, vmeprint);
114 	return (0);
115 }
116