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
27#ifndef _DEV_OFW_OFWPCI_H_
28#define	_DEV_OFW_OFWPCI_H_
29
30/*
31 * Export class definition for inheritance purposes
32 */
33DECLARE_CLASS(ofw_pcib_driver);
34
35struct ofw_pci_cell_info {
36	pcell_t host_address_cells;
37	pcell_t pci_address_cell;
38	pcell_t size_cells;
39 };
40
41struct ofw_pci_range {
42	uint32_t	pci_hi;
43	uint64_t	pci;
44	uint64_t	host;
45	uint64_t	size;
46};
47
48/*
49 * Quirks for some adapters
50 */
51enum {
52	OFW_PCI_QUIRK_RANGES_ON_CHILDREN = 1,
53};
54
55struct ofw_pci_softc {
56	device_t	sc_dev;
57	phandle_t	sc_node;
58	int		sc_bus;
59	int		sc_initialized;
60	int		sc_quirks;
61	int		sc_have_pmem;
62
63	struct ofw_pci_range		*sc_range;
64	int				sc_nrange;
65	uint64_t			sc_range_mask;
66	struct ofw_pci_cell_info	*sc_cell_info;
67
68	struct rman			sc_io_rman;
69	struct rman			sc_mem_rman;
70	struct rman			sc_pmem_rman;
71	bus_space_tag_t			sc_memt;
72	bus_dma_tag_t			sc_dmat;
73	int				sc_pci_domain;
74
75	struct ofw_bus_iinfo		sc_pci_iinfo;
76};
77
78int ofw_pcib_init(device_t);
79void ofw_pcib_fini(device_t);
80int ofw_pcib_attach(device_t);
81int ofw_pcib_read_ivar(device_t, device_t, int, uintptr_t *);
82int ofw_pcib_write_ivar(device_t, device_t, int, uintptr_t);
83int ofw_pcib_route_interrupt(device_t, device_t, int);
84int ofw_pcib_nranges(phandle_t, struct ofw_pci_cell_info *);
85
86#endif /* _DEV_OFW_OFWPCI_H_ */