xref: /netbsd-src/sys/arch/amiga/pci/empbvar.h (revision a15e6473c5dd000e7612f285d90c0583bd498d77)
1 /*	$NetBSD: empbvar.h,v 1.3 2013/01/28 14:44:37 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  */
46 struct 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 
57 struct 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 
82 bus_addr_t	empb_switch_window(struct empb_softc *sc, bus_addr_t address);
83 
84