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/* $NetBSD: isa_machdep.c,v 1.2 1995/08/03 01:23:08 cgd Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <machine/autoconf.h>
#include <machine/pio.h>
#include <machine/rpb.h>
#include <machine/vmparam.h>
#include <machine/pte.h>
#include <dev/isa/isareg.h>
#include <dev/isa/isavar.h>
#include <dev/isa/isadmavar.h>
#include <alpha/isa/isa_intr.h>
#include <alpha/isa/isa_dma.h>
int isamatch __P((struct device *, void *, void *));
void isaattach __P((struct device *, struct device *, void *));
struct cfdriver isacd = {
NULL, "isa", isamatch, isaattach, DV_DULL, sizeof(struct isa_softc), 1
};
int
isamatch(parent, cfdata, aux)
struct device *parent;
void *cfdata, *aux;
{
struct cfdata *cf = cfdata;
struct confargs *ca = aux;
#if 0 /* XXX -- Assume that it's valid if unit number OK */
/* It can only occur on the mainbus. */
if (ca->ca_bus->ab_type != BUS_MAIN)
return (0);
/* Make sure that we're looking for this type of device. */
if (!BUS_MATCHNAME(ca, "isa"))
return (0);
#endif /* XXX */
/* See if the unit number is valid. */
switch (hwrpb->rpb_type) {
#if defined(DEC_2100_A50)
case ST_DEC_2100_A50:
if (cf->cf_unit > 0)
return (0);
break;
#endif
default:
return (0);
}
return (1);
}
void
isaattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct isa_softc *sc = (struct isa_softc *)self;
printf("\n");
TAILQ_INIT(&sc->sc_subdevs);
/* XXX set up ISA DMA controllers? */
config_scan(isascan, self);
}
void *
isa_intr_establish(irq, type, level, ih_fun, ih_arg)
int irq;
isa_intrtype type;
isa_intrlevel level;
int (*ih_fun)(void *);
void *ih_arg;
{
return (*isa_intr_fcns->isa_intr_establish)(irq, type, level,
ih_fun, ih_arg);
}
void
isa_intr_disestablish(handler)
void *handler;
{
(*isa_intr_fcns->isa_intr_disestablish)(handler);
}
int
isadma_map(addr, size, mappings, flags)
caddr_t addr;
vm_size_t size;
vm_offset_t *mappings;
int flags;
{
(*isadma_fcns->isadma_map)(addr, size, mappings, flags);
}
void
isadma_unmap(addr, size, nmappings, mappings)
caddr_t addr;
vm_size_t size;
int nmappings;
vm_offset_t *mappings;
{
(*isadma_fcns->isadma_unmap)(addr, size, nmappings, mappings);
}
void
isadma_copytobuf(addr, size, nmappings, mappings)
caddr_t addr;
vm_size_t size;
int nmappings;
vm_offset_t *mappings;
{
(*isadma_fcns->isadma_copytobuf)(addr, size, nmappings, mappings);
}
void
isadma_copyfrombuf(addr, size, nmappings, mappings)
caddr_t addr;
vm_size_t size;
int nmappings;
vm_offset_t *mappings;
{
(*isadma_fcns->isadma_copyfrombuf)(addr, size, nmappings, mappings);
}
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