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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

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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 115417 2003-05-30 20:48:05Z tmm $
25
26#include <sys/bus.h>
27#include <machine/bus.h>
28
29#include <dev/ofw/openfirm.h>
30
31INTERFACE sparcbus;
32
33HEADER {
34 /* Bus tag types for the get_bustag method */
35 enum sbbt_id {
36 SBBT_IO,
37 SBBT_MEM,
38 };
39};
40
41CODE {
42 static int
43 sparcbus_default_intr_pending(device_t dev, int intr)
44 {
45
46 return (SPARCBUS_INTR_PENDING(device_get_parent(dev), intr));
47 }
48
49 static u_int32_t
50 sparcbus_default_guess_ino(device_t dev, phandle_t node, u_int slot,
51 u_int pin)
52 {
53
54 return (SPARCBUS_GUESS_INO(device_get_parent(dev), node, slot,
55 pin));
56 }
57
58 static bus_space_handle_t
59 sparcbus_default_get_bus_handle(device_t dev, enum sbbt_id id,
60 bus_space_handle_t childhdl, bus_space_tag_t *tag)
61 {
62
63 return (SPARCBUS_GET_BUS_HANDLE(device_get_parent(dev), id,
64 childhdl, tag));
65 }
66};
67
68# Return whether an interrupt request is pending for the INO intr.
69METHOD int intr_pending {
70 device_t dev;
71 int intr;
72} DEFAULT sparcbus_default_intr_pending;
73
74# Let the bus driver guess the INO of the device at the given slot and intpin
75# on the bus described by the node if it could not be determined from the
76# firmware properties. Returns 255 if no INO could be found (mapping will
77# continue at the parent), or the desired INO.
78METHOD u_int32_t guess_ino {
79 device_t dev;
80 phandle_t node;
81 u_int slot;
82 u_int pin;
83} DEFAULT sparcbus_default_guess_ino;
84
85# Get the bustag for the root bus. This is needed for ISA old-stlye
86# in[bwl]()/out[bwl]() support, where no tag retrieved from a resource is
87# passed. The returned tag is used to construct a tag for the whole ISA bus.
88METHOD bus_space_handle_t get_bus_handle {
89 device_t dev;
90 enum sbbt_id id;
91 bus_space_handle_t childhdl;
92 bus_space_tag_t *tag;
93} DEFAULT sparcbus_default_get_bus_handle;