1#- 2# Copyright (c) 2016 The FreeBSD Foundation 3# 4# This software was developed by Andrew Turner under 5# sponsorship from the FreeBSD Foundation. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29#include <sys/types.h> 30#include <sys/systm.h> 31#include <sys/bus.h> 32 33INTERFACE acpi_bus; 34 35CODE { 36 static acpi_bus_map_intr_t acpi_bus_default_map_intr; 37 38 int 39 acpi_bus_default_map_intr(device_t bus, device_t dev, u_int irq, 40 int trig, int pol) 41 { 42 device_t parent; 43 44 /* Pass up the hierarchy */ 45 parent = device_get_parent(bus); 46 if (parent != NULL) 47 return (ACPI_BUS_MAP_INTR(parent, dev, irq, trig, pol)); 48 49 panic("Unable to map interrupt %u", irq); 50 } 51}; 52 53# Map an interrupt from ACPI space to the FreeBSD IRQ space. Note that 54# both of these may be different than the pysical interrupt space as this 55# may be local to each interrupt controller. 56# 57# This method also associates interrupt metadata with the interrupt, 58# removing the need for a post hoc configure step. 59METHOD int map_intr { 60 device_t bus; 61 device_t dev; 62 u_int irq; 63 int trig; 64 int pol; 65} DEFAULT acpi_bus_default_map_intr; 66