sys/arch/atari/vme/vme.c

   1 /*      $NetBSD: vme.c,v 1.15 2009/03/14 15:36:04 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 1.15 2009/03/14 15:36:04 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 }