/*- * 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)); } |