1/*	$NetBSD: giovar.h,v 1.9 2007/02/19 20:14:30 rumble Exp $	*/
2
3/*
4 * Copyright (c) 2000 Soren S. Jorvang
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *          This product includes software developed for the
18 *          NetBSD Project.  See http://www.NetBSD.org/ for
19 *          information about NetBSD.
20 * 4. The name of the author may not be used to endorse or promote products
21 *    derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35/*
36 * GIO 32/32-bis/64 bus
37 */
38
39#include <sys/bus.h>
40
41struct giobus_attach_args {
42	bus_space_tag_t	gba_iot;
43	bus_space_handle_t gba_ioh;
44
45#define GIOBUS_GIO32	0
46#define GIOBUS_GIO32BIS	1
47#define GIOBUS_GIO64	2
48	int		gba_type;
49};
50
51struct gio_attach_args {
52	bus_space_tag_t	ga_iot;
53	bus_space_handle_t ga_ioh;
54	bus_dma_tag_t	ga_dmat;
55
56	int		ga_slot;	/* not valid if graphics */
57	u_int32_t	ga_addr;
58
59	u_int32_t	ga_product;	/* not valid if graphics */
60};
61
62
63#define GIO_SLOT_GFX		0
64#define GIO_SLOT_EXP0		1
65#define GIO_SLOT_EXP1		2
66
67#define GIO_ARB_RT		0x001	/* real-time device */
68#define GIO_ARB_LB		0x002	/* long-burst device */
69
70#define GIO_ARB_MST		0x004	/* bus master enable */
71#define GIO_ARB_SLV		0x008	/* slave */
72
73#define GIO_ARB_PIPE		0x010	/* pipelining enable */
74#define GIO_ARB_NOPIPE		0x020	/* pipelining disable */
75
76#define GIO_ARB_32BIT		0x040	/* 32-bit transfers */
77#define GIO_ARB_64BIT		0x080	/* 64-bit transfers */
78
79#define GIO_ARB_HPC2_32BIT	0x100	/* 32-bit secondary HPC (ignores slot)*/
80#define GIO_ARB_HPC2_64BIT	0x200	/* 64-bit secondary HPC (ignores slot)*/
81
82int		gio_cnattach(void);
83int		gio_arb_config(int, uint32_t);
84void	       *gio_intr_establish(int, int, int (*)(void *), void *);
85const char     *gio_product_string(int);
86
87