1/*	$NetBSD: empbvar.h,v 1.2 2012/06/04 12:56:49 rkujawa Exp $ */
2
3/*-
4 * Copyright (c) 2012 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Radoslaw Kujawa.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/types.h>
33#include <sys/device.h>
34#include <sys/bus.h>
35
36#include <dev/pci/pcivar.h>
37#include <dev/pci/pcireg.h>
38#include <dev/pci/pcidevs.h>
39
40#include <machine/pci_machdep.h>
41
42/*
43 * Structure used to describe PCI devices with memory that can be used as
44 * bounce buffers. XXX: not used yet.
45 */
46struct empb_dmamemdev_entry {
47	/* location of the device on bus */
48	int	bus;
49	int	dev;
50	int	function;
51	/* how to find memory on device */
52	uint8_t	bar;	/* which BAR will be used to access the mem */
53	uint32_t off;	/* offset from BAR address */
54	uint32_t size;	/* how much memory will we steal */
55};
56
57struct empb_softc {
58	device_t			sc_dev;
59
60	uint16_t			model;
61
62	struct bus_space_tag		setup_area;
63	bus_space_tag_t			setup_area_t;
64	bus_space_handle_t		setup_area_h;
65
66	struct bus_space_tag		pci_confio_area;
67	bus_space_tag_t			pci_confio_t;
68	bus_space_handle_t		pci_confio_h;
69	uint8_t				pci_confio_mode;
70
71	struct bus_space_tag		pci_mem_win;
72	bus_space_tag_t			pci_mem_win_t;
73	uint32_t			pci_mem_win_size;
74	bus_addr_t			pci_mem_win_pos;
75	uint16_t			pci_mem_win_mask;
76
77	struct amiga_pci_chipset	apc;
78
79};
80
81
82bus_addr_t	empb_switch_window(struct empb_softc *sc, bus_addr_t address);
83
84