66 lines
2.3 KiB
Objective-C
66 lines
2.3 KiB
Objective-C
#-
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# Copyright (c) 2016 The FreeBSD Foundation
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#
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# This software was developed by Andrew Turner under
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# sponsorship from the FreeBSD Foundation.
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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 AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, 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/types.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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INTERFACE acpi_bus;
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CODE {
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static acpi_bus_map_intr_t acpi_bus_default_map_intr;
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int
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acpi_bus_default_map_intr(device_t bus, device_t dev, u_int irq,
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int trig, int pol)
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{
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device_t parent;
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/* Pass up the hierarchy */
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parent = device_get_parent(bus);
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if (parent != NULL)
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return (ACPI_BUS_MAP_INTR(parent, dev, irq, trig, pol));
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panic("Unable to map interrupt %u", irq);
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}
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};
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# Map an interrupt from ACPI space to the FreeBSD IRQ space. Note that
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# both of these may be different than the pysical interrupt space as this
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# may be local to each interrupt controller.
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#
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# This method also associates interrupt metadata with the interrupt,
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# removing the need for a post hoc configure step.
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METHOD int map_intr {
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device_t bus;
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device_t dev;
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u_int irq;
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int trig;
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int pol;
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} DEFAULT acpi_bus_default_map_intr;
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