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Add acpi methods for HID/CID probing, evaluating objects, and walking the

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namespace.  This is to allow decoupling of attachments from ACPI where they
need some functionality when ACPI is present but do not want to require ACPI
to always be loaded.
This commit is contained in:
Nate Lawson 2004-06-29 18:56:14 +00:00
parent 6372c5ec85
commit d13e5a4065
3 changed files with 79 additions and 1 deletions
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1
sys/conf/files
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@ -274,6 +274,7 @@ dev/aac/aac_disk.c optional aac
dev/aac/aac_pci.c optional aac pci
dev/aac/aac_cam.c optional aacp aac
dev/aac/aac_linux.c optional aac compat_linux
dev/acpica/acpi_if.m standard
dev/acpica/acpi.c optional acpi
dev/acpica/acpi_acad.c optional acpi
dev/acpica/acpi_battery.c optional acpi

2
sys/conf/kmod.mk
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@ -293,7 +293,7 @@ ${_src}:
MFILES?= kern/bus_if.m kern/device_if.m dev/iicbus/iicbb_if.m \
dev/iicbus/iicbus_if.m isa/isa_if.m \
libkern/iconv_converter_if.m \
dev/eisa/eisa_if.m dev/mii/miibus_if.m \
dev/acpica/acpi_if.m dev/eisa/eisa_if.m dev/mii/miibus_if.m \
dev/pccard/card_if.m dev/pccard/power_if.m dev/pci/pci_if.m \
dev/pci/pcib_if.m dev/ppbus/ppbus_if.m dev/smbus/smbus_if.m \
dev/usb/usb_if.m dev/sound/pcm/ac97_if.m dev/sound/pcm/channel_if.m \

77
sys/dev/acpica/acpi_if.m Normal file
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@ -0,0 +1,77 @@
#
# Copyright (c) 2004 Nate Lawson
# All rights reserved.
#
# 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/bus.h>
#include <sys/types.h>
#include "acpi.h"
INTERFACE acpi;
#
# Default implementation for the probe method.
#
CODE {
static char *
acpi_generic_id_probe(device_t bus, device_t dev, char **ids)
{
return (NULL);
}
};
#
# Probe
#
METHOD char * id_probe {
device_t bus;
device_t dev;
char **ids;
} DEFAULT acpi_generic_id_probe;
#
# AcpiEvaluateObject
#
METHOD ACPI_STATUS evaluate_object {
device_t bus;
device_t dev;
ACPI_STRING pathname;
ACPI_OBJECT_LIST *parameters;
ACPI_BUFFER *ret;
};
#
# AcpiWalkNamespace
#
METHOD ACPI_STATUS walk_namespace {
device_t bus;
device_t dev;
ACPI_OBJECT_TYPE type;
UINT32 max_depth;
ACPI_WALK_CALLBACK user_fn;
void *context;
void **ret;
};