pci_machdep.h revision 1.4 
1/* $NetBSD: pci_machdep.h,v 1.4 2002/05/15 19:23:52 thorpej Exp $ */
2/* NetBSD: pci_machdep.h,v 1.3 1999/03/19 03:40:46 cgd Exp  */
3
4/*
5 * Copyright (c) 1996 Carnegie-Mellon University.
6 * All rights reserved.
7 *
8 * Author: Chris G. Demetriou
9 *
10 * Permission to use, copy, modify and distribute this software and
11 * its documentation is hereby granted, provided that both the copyright
12 * notice and this permission notice appear in all copies of the
13 * software, derivative works or modified versions, and any portions
14 * thereof, and that both notices appear in supporting documentation.
15 *
16 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
17 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
18 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19 *
20 * Carnegie Mellon requests users of this software to return to
21 *
22 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
23 *  School of Computer Science
24 *  Carnegie Mellon University
25 *  Pittsburgh PA 15213-3890
26 *
27 * any improvements or extensions that they make and grant Carnegie the
28 * rights to redistribute these changes.
29 */
30
31/*
32 * Machine-specific definitions for PCI autoconfiguration.
33 */
34
35/*
36 * Forward declarations.
37 */
38struct pci_attach_args;
39
40/*
41 * Types provided to machine-independent PCI code
42 */
43typedef struct arc_pci_chipset *pci_chipset_tag_t;
44typedef u_long pcitag_t;
45typedef u_long pci_intr_handle_t;
46
47/*
48 * arc-specific PCI structure and type definitions.
49 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
50 */
51struct arc_pci_chipset {
52	void		(*pc_attach_hook) __P((struct device *,
53			    struct device *, struct pcibus_attach_args *));
54	int		(*pc_bus_maxdevs) __P((pci_chipset_tag_t, int));
55	pcitag_t	(*pc_make_tag) __P((pci_chipset_tag_t, int, int, int));
56	void		(*pc_decompose_tag) __P((pci_chipset_tag_t, pcitag_t,
57			    int *, int *, int *));
58	pcireg_t	(*pc_conf_read) __P((pci_chipset_tag_t, pcitag_t,
59			    int));
60	void		(*pc_conf_write) __P((pci_chipset_tag_t, pcitag_t, int,
61			    pcireg_t));
62	int		(*pc_intr_map) __P((struct pci_attach_args *,
63			    pci_intr_handle_t *));
64	const char	*(*pc_intr_string) __P((pci_chipset_tag_t,
65			    pci_intr_handle_t));
66	void		*(*pc_intr_establish) __P((pci_chipset_tag_t,
67			    pci_intr_handle_t, int, int (*)(void *), void *));
68	void		(*pc_intr_disestablish) __P((pci_chipset_tag_t,
69			    void *));
70};
71
72/*
73 * Functions provided to machine-independent PCI code.
74 */
75#define	pci_attach_hook(p, s, pba)					\
76    (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
77#define	pci_bus_maxdevs(c, b)						\
78    (*(c)->pc_bus_maxdevs)((c), (b))
79#define	pci_make_tag(c, b, d, f)					\
80    (*(c)->pc_make_tag)((c), (b), (d), (f))
81#define	pci_decompose_tag(c, t, bp, dp, fp)				\
82    (*(c)->pc_decompose_tag)((c), (t), (bp), (dp), (fp))
83#define	pci_conf_read(c, t, r)						\
84    (*(c)->pc_conf_read)((c), (t), (r))
85#define	pci_conf_write(c, t, r, v)					\
86    (*(c)->pc_conf_write)((c), (t), (r), (v))
87#define	pci_intr_map(pa, ihp)						\
88    (*(pa)->pa_pc->pc_intr_map)((pa), (ihp))
89#define	pci_intr_string(c, ih)						\
90    (*(c)->pc_intr_string)((c), (ih))
91#define	pci_intr_establish(c, ih, l, h, a)				\
92    (*(c)->pc_intr_establish)((c), (ih), (l), (h), (a))
93#define	pci_intr_disestablish(c, iv)					\
94    (*(c)->pc_intr_disestablish)((c), (iv))
95
96#define	pci_enumerate_bus(sc, m, p)					\
97	pci_enumerate_bus_generic((sc), (m), (p))
98