pci_machdep.h revision 1.10 
1/* $NetBSD: pci_machdep.h,v 1.10 2004/07/29 16:55:25 drochner Exp $ */
2
3/*
4 * Copyright (c) 1996 Carnegie-Mellon University.
5 * All rights reserved.
6 *
7 * Author: Chris G. Demetriou
8 *
9 * Permission to use, copy, modify and distribute this software and
10 * its documentation is hereby granted, provided that both the copyright
11 * notice and this permission notice appear in all copies of the
12 * software, derivative works or modified versions, and any portions
13 * thereof, and that both notices appear in supporting documentation.
14 *
15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18 *
19 * Carnegie Mellon requests users of this software to return to
20 *
21 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
22 *  School of Computer Science
23 *  Carnegie Mellon University
24 *  Pittsburgh PA 15213-3890
25 *
26 * any improvements or extensions that they make and grant Carnegie the
27 * rights to redistribute these changes.
28 */
29
30/*
31 * Machine-specific definitions for PCI autoconfiguration.
32 */
33
34#define __HAVE_PCI_CONF_HOOK
35
36/*
37 * Types provided to machine-independent PCI code
38 */
39typedef struct prep_pci_chipset *pci_chipset_tag_t;
40typedef int pcitag_t;
41typedef int pci_intr_handle_t;
42
43/*
44 * Forward declarations.
45 */
46struct pci_attach_args;
47
48/*
49 * prep-specific PCI structure and type definitions.
50 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
51 */
52struct prep_pci_chipset {
53	void		*pc_conf_v;
54	void		(*pc_attach_hook)(struct device *,
55			    struct device *, struct pcibus_attach_args *);
56	int		(*pc_bus_maxdevs)(void *, int);
57	pcitag_t	(*pc_make_tag)(void *, int, int, int);
58	pcireg_t	(*pc_conf_read)(void *, pcitag_t, int);
59	void		(*pc_conf_write)(void *, pcitag_t, int, pcireg_t);
60
61	void		*pc_intr_v;
62	int		(*pc_intr_map)(struct pci_attach_args *,
63			    pci_intr_handle_t *);
64	const char	*(*pc_intr_string)(void *, pci_intr_handle_t);
65	const struct evcnt *(*pc_intr_evcnt)(void *, pci_intr_handle_t);
66	void		*(*pc_intr_establish)(void *, pci_intr_handle_t,
67			    int, int (*)(void *), void *);
68	void		(*pc_intr_disestablish)(void *, void *);
69	void		(*pc_conf_interrupt)(void *, int, int, int, int, int *);
70	void		(*pc_decompose_tag)(void *, pcitag_t, int *,
71			    int *, int *);
72	int		(*pc_conf_hook)(void *, int, int, int, pcireg_t);
73};
74
75/*
76 * Functions provided to machine-independent PCI code.
77 */
78#define	pci_attach_hook(p, s, pba)					\
79    (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
80#define	pci_bus_maxdevs(c, b)						\
81    (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b))
82#define	pci_make_tag(c, b, d, f)					\
83    (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f))
84#define	pci_conf_read(c, t, r)						\
85    (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r))
86#define	pci_conf_write(c, t, r, v)					\
87    (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v))
88#define	pci_intr_map(pa, ihp)						\
89    (*(pa)->pa_pc->pc_intr_map)((pa), (ihp))
90#define	pci_intr_string(c, ih)						\
91    (*(c)->pc_intr_string)((c)->pc_intr_v, (ih))
92#define	pci_intr_evcnt(c, ih)						\
93    (*(c)->pc_intr_evcnt)((c)->pc_intr_v, (ih))
94#define	pci_intr_establish(c, ih, l, h, a)				\
95    (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a))
96#define	pci_intr_disestablish(c, iv)					\
97    (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv))
98#define	pci_conf_interrupt(c, b, d, p, s, ip)				\
99    (*(c)->pc_conf_interrupt)((c)->pc_conf_v, (b), (d), (p), (s), (ip))
100#define	pci_decompose_tag(c, t, bp, dp, fp)				\
101    (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp))
102#define	pci_conf_hook(c, b, d, f, i)					\
103    (*(c)->pc_conf_hook)((c)->pc_conf_v, (b), (d), (f), (i))
104
105#ifdef _KERNEL
106/*
107 * prep-specific PCI functions.
108 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
109 */
110int prep_pci_bus_maxdevs(void *, int);
111int prep_pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *);
112const char *prep_pci_intr_string(void *, pci_intr_handle_t);
113const struct evcnt *prep_pci_intr_evcnt(void *, pci_intr_handle_t);
114void *prep_pci_intr_establish(void *, pci_intr_handle_t, int, int (*)(void *),
115    void *);
116void prep_pci_intr_disestablish(void *, void *);
117void prep_pci_conf_interrupt(void *, int, int, int, int, int *);
118int prep_pci_conf_hook(void *, int, int, int, pcireg_t);
119
120void prep_pci_get_chipset_tag_direct(pci_chipset_tag_t);
121void prep_pci_get_chipset_tag_indirect(pci_chipset_tag_t);
122
123/*
124 * prep-specific PCI data.
125 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
126 */
127extern struct powerpc_bus_dma_tag pci_bus_dma_tag;
128#endif
129