c757ee90ae
OFW interrupt map interface to also return the device's interrupt parent. MFC after: 8.1-RELEASE
108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/*-
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* Copyright (c) 2009 Marcel Moolenaar
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/malloc.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <machine/intr_machdep.h>
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#include <machine/ocpbus.h>
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#include <machine/resource.h>
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#include <isa/isareg.h>
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#include <isa/isavar.h>
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#include <isa/isa_common.h>
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#include "ocpbus.h"
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void
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isa_init(device_t dev)
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{
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}
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struct resource *
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isa_alloc_resource(device_t bus, device_t child, int type, int *rid,
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u_long start, u_long end, u_long count, u_int flags)
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{
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struct isa_device* idev = DEVTOISA(child);
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struct resource_list *rl = &idev->id_resources;
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int isdefault, passthrough, rids;
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isdefault = (start == 0UL && end == ~0UL) ? 1 : 0;
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passthrough = (device_get_parent(child) != bus) ? 1 : 0;
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if (!passthrough && !isdefault &&
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resource_list_find(rl, type, *rid) == NULL) {
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switch (type) {
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case SYS_RES_IOPORT: rids = ISA_PNP_NPORT; break;
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case SYS_RES_IRQ:
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rids = ISA_PNP_NIRQ;
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start = ISA_IRQ(start);
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break;
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case SYS_RES_MEMORY: rids = ISA_PNP_NMEM; break;
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default: rids = 0; break;
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}
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if (*rid < 0 || *rid >= rids)
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return (NULL);
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resource_list_add(rl, type, *rid, start, end, count);
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}
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return (resource_list_alloc(rl, bus, child, type, rid, start, end,
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count, flags));
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}
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int
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isa_release_resource(device_t bus, device_t child, int type, int rid,
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struct resource *r)
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{
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struct isa_device* idev = DEVTOISA(child);
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struct resource_list *rl = &idev->id_resources;
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return (resource_list_release(rl, bus, child, type, rid, r));
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}
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int
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isa_setup_intr(device_t bus, device_t child, struct resource *r, int flags,
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driver_filter_t filter, void (*ihand)(void *), void *arg, void **cookiep)
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{
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return (BUS_SETUP_INTR(device_get_parent(bus), child, r, flags,
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filter, ihand, arg, cookiep));
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}
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int
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isa_teardown_intr(device_t bus, device_t child, struct resource *r,
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void *cookie)
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{
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return (BUS_TEARDOWN_INTR(device_get_parent(bus), child, r, cookie));
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}
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