freebsd-skq/sys/sparc64/pci/ofw_pci_if.m
tmm 7657107909 Add a file forgotten in the previous commit (a kobj interface that
defines methods that need to be implemented by sparc64 host bridge drivers).
2001-11-09 20:43:44 +00:00

76 lines
2.6 KiB
Objective-C

# Copyright (c) 2001 by Thomas Moestl <tmm@FreeBSD.org>.
# 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 ``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 <machine/bus.h>
INTERFACE sparcbus;
HEADER {
/* Bus tag types for the get_bustag method */
enum sbbt_id {
SBBT_IO,
SBBT_MEM,
};
};
CODE {
static int sparcbus_default_intr_pending(device_t, int);
static bus_space_handle_t sparcbus_default_get_bus_handle(device_t,
enum sbbt_id, bus_space_handle_t childhdl, bus_space_tag_t *tag);
static int
sparcbus_default_intr_pending(device_t dev, int intr)
{
return (SPARCBUS_INTR_PENDING(device_get_parent(dev), intr));
}
static bus_space_handle_t
sparcbus_default_get_bus_handle(device_t dev, enum sbbt_id id,
bus_space_handle_t childhdl, bus_space_tag_t *tag)
{
return (SPARCBUS_GET_BUS_HANDLE(device_get_parent(dev), id,
childhdl, tag));
}
};
# Return whether an interrupt request is pending for the INO intr.
METHOD int intr_pending {
device_t dev;
int intr;
} DEFAULT sparcbus_default_intr_pending;
# Get the bustag for the root bus. This is needed for ISA old-stlye
# in[bwl]()/out[bwl]() support, where no tag retrieved from a resource is
# passed. The returned tag is used to construct a tag for the whole ISA bus.
METHOD bus_space_handle_t get_bus_handle {
device_t dev;
enum sbbt_id id;
bus_space_handle_t childhdl;
bus_space_tag_t *tag;
} DEFAULT sparcbus_default_get_bus_handle;