1 /* $NetBSD: vme.c,v 1.21 2023/12/20 00:40:43 thorpej 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 1.21 2023/12/20 00:40:43 thorpej 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/device.h>
37
38 #include <machine/intr.h>
39
40 #include <atari/vme/vmevar.h>
41
42 static int vmematch(device_t, cfdata_t, void *);
43 static void vmeattach(device_t, device_t, void *);
44 static int vmeprint(void *, const char *);
45
46 CFATTACH_DECL_NEW(vme, sizeof(struct vme_softc),
47 vmematch, vmeattach, NULL, NULL);
48
49 static int vmesearch(device_t, cfdata_t, const int *, void *);
50
51 static int
vmematch(device_t parent,cfdata_t cf,void * aux)52 vmematch(device_t parent, cfdata_t cf, void *aux)
53 {
54 struct vmebus_attach_args *vba = aux;
55
56 if (strcmp(vba->vba_busname, cf->cf_name))
57 return 0;
58
59 return 1;
60 }
61
62 static void
vmeattach(device_t parent,device_t self,void * aux)63 vmeattach(device_t parent, device_t self, void *aux)
64 {
65 struct vme_softc *sc = device_private(self);
66 struct vmebus_attach_args *vba = aux;
67
68 aprint_normal("\n");
69
70 sc->sc_dev = self;
71 sc->sc_iot = vba->vba_iot;
72 sc->sc_memt = vba->vba_memt;
73 sc->sc_vc = vba->vba_vc;
74
75 config_search(self, NULL,
76 CFARGS(.search = vmesearch));
77 }
78
79 static int
vmeprint(void * aux,const char * vme)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 static int
vmesearch(device_t parent,cfdata_t cf,const int * ldesc,void * aux)98 vmesearch(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
99 {
100 struct vme_softc *sc = device_private(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_probe(parent, cf, &va))
113 config_attach(parent, cf, &va, vmeprint, CFARGS_NONE);
114 return 0;
115 }
116