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/*-
* Copyright (c) 2009 Marcel Moolenaar
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/malloc.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <isa/isareg.h>
#include <isa/isavar.h>
#include <isa/isa_common.h>
void
isa_init(device_t dev)
{
}
struct resource *
isa_alloc_resource(device_t bus, device_t child, int type, int *rid,
u_long start, u_long end, u_long count, u_int flags)
{
struct isa_device* idev = DEVTOISA(child);
struct resource_list *rl = &idev->id_resources;
int isdefault, passthrough, rids;
isdefault = (start == 0UL && end == ~0UL) ? 1 : 0;
passthrough = (device_get_parent(child) != bus) ? 1 : 0;
if (!passthrough && !isdefault &&
resource_list_find(rl, type, *rid) == NULL) {
switch (type) {
case SYS_RES_IOPORT: rids = ISA_PNP_NPORT; break;
case SYS_RES_IRQ: rids = ISA_PNP_NIRQ; break;
case SYS_RES_MEMORY: rids = ISA_PNP_NMEM; break;
default: rids = 0; break;
}
if (*rid < 0 || *rid >= rids)
return (NULL);
resource_list_add(rl, type, *rid, start, end, count);
}
return (resource_list_alloc(rl, bus, child, type, rid, start, end,
count, flags));
}
int
isa_release_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
struct isa_device* idev = DEVTOISA(child);
struct resource_list *rl = &idev->id_resources;
return (resource_list_release(rl, bus, child, type, rid, r));
}
int
isa_setup_intr(device_t bus, device_t child, struct resource *r, int flags,
driver_filter_t filter, void (*ihand)(void *), void *arg, void **cookiep)
{
return (BUS_SETUP_INTR(device_get_parent(bus), child, r, flags,
filter, ihand, arg, cookiep));
}
int
isa_teardown_intr(device_t bus, device_t child, struct resource *r,
void *cookie)
{
return (BUS_TEARDOWN_INTR(device_get_parent(bus), child, r, cookie));
}
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