pci_machdep.h revision 1.1 
1/*	$NetBSD: pci_machdep.h,v 1.1 2000/06/14 15:39:59 soren 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 * Types provided to machine-independent PCI code
39 */
40
41typedef struct sgimips_pci_chipset *pci_chipset_tag_t;
42typedef u_int32_t	pcitag_t;
43typedef int 		pci_intr_handle_t;
44
45/*
46 * SGI-specific PCI structure and type definitions.
47 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
48 */
49struct sgimips_pci_chipset {
50	pcireg_t	(*pc_conf_read)(pci_chipset_tag_t, pcitag_t, int);
51	void		(*pc_conf_write)(pci_chipset_tag_t, pcitag_t, int,
52				pcireg_t);
53/* XXX */
54};
55
56extern struct sgimips_bus_dma_tag pci_bus_dma_tag;
57
58/*
59 * Functions provided to machine-independent PCI code.
60 */
61void		pci_attach_hook(struct device *, struct device *,
62			struct pcibus_attach_args *);
63int		pci_bus_maxdevs(pci_chipset_tag_t, int);
64pcitag_t	pci_make_tag(pci_chipset_tag_t, int, int, int);
65void		pci_decompose_tag(pci_chipset_tag_t, pcitag_t,
66			int *, int *, int *);
67pcireg_t	pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
68void		pci_conf_write(pci_chipset_tag_t, pcitag_t, int,
69			pcireg_t);
70int		pci_intr_map(pci_chipset_tag_t, pcitag_t, int, int,
71			pci_intr_handle_t *);
72const char	*pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t);
73const struct evcnt *pci_intr_evcnt(pci_chipset_tag_t, pci_intr_handle_t);
74void		*pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t,
75			int, int (*)(void *), void *);
76void		pci_intr_disestablish(pci_chipset_tag_t, void *);
77