pci_machdep.h revision 1.1 
1/*	$NetBSD: pci_machdep.h,v 1.1 2000/02/29 15:21:30 nonaka Exp $	*/
2
3/*
4 * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
5 * Copyright (c) 1994 Charles M. Hannum.  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 by Charles M. Hannum.
18 * 4. The name of the author may not be used to endorse or promote products
19 *    derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33/*
34 * Machine-specific definitions for PCI autoconfiguration.
35 */
36
37/*
38 * be-specific PCI structure and type definitions.
39 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
40 *
41 * Configuration tag; created from a {bus,device,function} triplet by
42 * pci_make_tag(), and passed to pci_conf_read() and pci_conf_write().
43 * We could instead always pass the {bus,device,function} triplet to
44 * the read and write routines, but this would cause extra overhead.
45 */
46
47/*
48 * Types provided to machine-independent PCI code
49 */
50typedef void *pci_chipset_tag_t;
51typedef int pcitag_t;
52typedef int pci_intr_handle_t;
53
54extern struct prep_bus_dma_tag pci_bus_dma_tag;
55
56/*
57 * Functions provided to machine-independent PCI code.
58 */
59void		pci_attach_hook __P((struct device *, struct device *,
60		    struct pcibus_attach_args *));
61int		pci_bus_maxdevs __P((pci_chipset_tag_t, int));
62pcitag_t	pci_make_tag __P((pci_chipset_tag_t, int, int, int));
63void		pci_decompose_tag __P((pci_chipset_tag_t, pcitag_t,
64		    int *, int *, int *));
65pcireg_t	pci_conf_read __P((pci_chipset_tag_t, pcitag_t, int));
66void		pci_conf_write __P((pci_chipset_tag_t, pcitag_t, int,
67		    pcireg_t));
68int		pci_intr_map __P((pci_chipset_tag_t, pcitag_t, int, int,
69		    pci_intr_handle_t *));
70const char	*pci_intr_string __P((pci_chipset_tag_t, pci_intr_handle_t));
71void		*pci_intr_establish __P((pci_chipset_tag_t, pci_intr_handle_t,
72		    int, int (*)(void *), void *));
73void		pci_intr_disestablish __P((pci_chipset_tag_t, void *));
74