224c3776f6
This adds a new acpi_bus interface with a map_intr method. This is similar to the Open Firmware map_intr method and allows us to create the needed mapping from ACPI space to INTRNG space. Obtained from: ABT Systems Ltd Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D8617
68 lines
2.3 KiB
Objective-C
68 lines
2.3 KiB
Objective-C
#-
|
|
# Copyright (c) 2016 The FreeBSD Foundation
|
|
# All rights reserved.
|
|
#
|
|
# This software was developed by Andrew Turner under
|
|
# sponsorship from the FreeBSD Foundation.
|
|
#
|
|
# 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
|
|
#
|
|
# $FreeBSD$
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/bus.h>
|
|
|
|
INTERFACE acpi_bus;
|
|
|
|
CODE {
|
|
static acpi_bus_map_intr_t acpi_bus_default_map_intr;
|
|
|
|
int
|
|
acpi_bus_default_map_intr(device_t bus, device_t dev, u_int irq,
|
|
int trig, int pol)
|
|
{
|
|
device_t parent;
|
|
|
|
/* Pass up the hierarchy */
|
|
parent = device_get_parent(bus);
|
|
if (parent != NULL)
|
|
return (ACPI_BUS_MAP_INTR(parent, dev, irq, trig, pol));
|
|
|
|
panic("Unable to map interrupt %u", irq);
|
|
}
|
|
};
|
|
|
|
# Map an interrupt from ACPI space to the FreeBSD IRQ space. Note that
|
|
# both of these may be different than the pysical interrupt space as this
|
|
# may be local to each interrupt controller.
|
|
#
|
|
# This method also associates interrupt metadata with the interrupt,
|
|
# removing the need for a post hoc configure step.
|
|
METHOD int map_intr {
|
|
device_t bus;
|
|
device_t dev;
|
|
u_int irq;
|
|
int trig;
|
|
int pol;
|
|
} DEFAULT acpi_bus_default_map_intr;
|