ofw_pci_if.m revision 86234 
1# Copyright (c) 2001 by Thomas Moestl <tmm@FreeBSD.org>.
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions
6# are met:
7# 1. Redistributions of source code must retain the above copyright
8#    notice, this list of conditions and the following disclaimer.
9# 2. Redistributions in binary form must reproduce the above copyright
10#    notice, this list of conditions and the following disclaimer in the
11#    documentation and/or other materials provided with the distribution.
12#
13# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16# IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
17# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
20# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
21# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
22# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23#
24# $FreeBSD: head/sys/sparc64/pci/ofw_pci_if.m 86234 2001-11-09 20:43:44Z tmm $
25
26#include <sys/bus.h>
27#include <machine/bus.h>
28
29INTERFACE sparcbus;
30
31HEADER {
32	/* Bus tag types for the get_bustag method */
33	enum sbbt_id {
34		SBBT_IO,
35		SBBT_MEM,
36	};
37};
38
39CODE {
40	static int sparcbus_default_intr_pending(device_t, int);
41	static bus_space_handle_t sparcbus_default_get_bus_handle(device_t,
42	    enum sbbt_id, bus_space_handle_t childhdl, bus_space_tag_t *tag);
43
44	static int
45	sparcbus_default_intr_pending(device_t dev, int intr)
46	{
47
48		return (SPARCBUS_INTR_PENDING(device_get_parent(dev), intr));
49	}
50
51	static bus_space_handle_t
52	sparcbus_default_get_bus_handle(device_t dev, enum sbbt_id id,
53	    bus_space_handle_t childhdl, bus_space_tag_t *tag)
54	{
55
56		return (SPARCBUS_GET_BUS_HANDLE(device_get_parent(dev), id,
57		    childhdl, tag));
58	}
59};
60
61# Return whether an interrupt request is pending for the INO intr.
62METHOD int intr_pending {
63	device_t dev;
64	int intr;
65} DEFAULT sparcbus_default_intr_pending;
66
67# Get the bustag for the root bus. This is needed for ISA old-stlye
68# in[bwl]()/out[bwl]() support, where no tag retrieved from a resource is
69# passed. The returned tag is used to construct a tag for the whole ISA bus.
70METHOD bus_space_handle_t get_bus_handle {
71	device_t dev;
72	enum sbbt_id id;
73	bus_space_handle_t childhdl;
74	bus_space_tag_t *tag;
75} DEFAULT sparcbus_default_get_bus_handle;
76