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- /*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * 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/intr_machdep.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 = RMAN_IS_DEFAULT_RANGE(start, end) ? 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));
- }
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