1/*-
2 * Copyright (c) 2011 Nathan Whitehorn
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: releng/11.0/sys/dev/ofw/ofwpci.h 297392 2016-03-29 15:19:56Z zbb $
27 */
28
29#ifndef _DEV_OFW_OFWPCI_H_
30#define	_DEV_OFW_OFWPCI_H_
31
32/*
33 * Export class definition for inheritance purposes
34 */
35DECLARE_CLASS(ofw_pci_driver);
36
37struct ofw_pci_cell_info {
38	pcell_t host_address_cells;
39	pcell_t pci_address_cell;
40	pcell_t size_cells;
41 };
42
43struct ofw_pci_range {
44	uint32_t	pci_hi;
45	uint64_t	pci;
46	uint64_t	host;
47	uint64_t	size;
48};
49
50/*
51 * Quirks for some adapters
52 */
53enum {
54	OFW_PCI_QUIRK_RANGES_ON_CHILDREN = 1,
55};
56
57struct ofw_pci_softc {
58	device_t	sc_dev;
59	phandle_t	sc_node;
60	int		sc_bus;
61	int		sc_initialized;
62	int		sc_quirks;
63
64	struct ofw_pci_range		*sc_range;
65	int				sc_nrange;
66	struct ofw_pci_cell_info	*sc_cell_info;
67
68	struct rman			sc_io_rman;
69	struct rman			sc_mem_rman;
70	bus_space_tag_t			sc_memt;
71	bus_dma_tag_t			sc_dmat;
72
73	struct ofw_bus_iinfo		sc_pci_iinfo;
74};
75
76int ofw_pci_init(device_t);
77int ofw_pci_attach(device_t);
78int ofw_pci_read_ivar(device_t, device_t, int, uintptr_t *);
79int ofw_pci_write_ivar(device_t, device_t, int, uintptr_t);
80int ofw_pci_route_interrupt(device_t, device_t, int);
81int ofw_pci_nranges(phandle_t, struct ofw_pci_cell_info *);
82
83#endif /* _DEV_OFW_OFWPCI_H_ */
84