1/*	$NetBSD: pci_machdep.h,v 1.7 2012/07/11 17:13:31 rkujawa Exp $ */
2
3/*-
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Radoslaw Kujawa.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _AMIGA_PCI_MACHDEP_H_
33#define _AMIGA_PCI_MACHDEP_H_
34
35#include <sys/bus.h>
36
37#include <machine/intr.h>
38
39#define __HAVE_PCI_CONF_HOOK
40
41/*
42 * Forward declarations.
43 */
44struct pci_attach_args;
45
46/*
47 * Types provided to machine-independent PCI code
48 */
49typedef struct	amiga_pci_chipset *pci_chipset_tag_t;
50typedef u_long	pcitag_t;
51typedef u_long	pci_intr_handle_t;
52
53extern struct m68k_bus_dma_tag pci_bus_dma_tag;
54
55/*
56 * amiga-specific PCI structure and type definitions.
57 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
58 */
59struct amiga_pci_chipset {
60	void		*pc_conf_v;
61	void		(*pc_attach_hook)(device_t, device_t,
62			    struct pcibus_attach_args *);
63	int		(*pc_bus_maxdevs)(pci_chipset_tag_t, int);
64	pcitag_t	(*pc_make_tag)(pci_chipset_tag_t, int, int, int);
65	void		(*pc_decompose_tag)(pci_chipset_tag_t, pcitag_t, int *,
66			    int *, int *);
67			pcireg_t(*pc_conf_read)(pci_chipset_tag_t, pcitag_t,
68			    int);
69	void		(*pc_conf_write)(pci_chipset_tag_t, pcitag_t, int,
70			    pcireg_t);
71	int		(*pc_conf_hook)(pci_chipset_tag_t, int, int, int,
72			    pcireg_t);
73	void		*pc_intr_v;
74	int		(*pc_intr_map)(const struct pci_attach_args *,
75			    pci_intr_handle_t *);
76	const char	*(*pc_intr_string)(pci_chipset_tag_t,
77			    pci_intr_handle_t, char *, size_t);
78	void		*(*pc_intr_establish)(pci_chipset_tag_t,
79			    pci_intr_handle_t, int, int (*) (void *), void *);
80	void		(*pc_intr_disestablish)(pci_chipset_tag_t, void *);
81	void		(*pc_conf_interrupt)(pci_chipset_tag_t, int, int, int,
82			    int, int *);
83
84	/* PCI configuration address register */
85	bus_space_tag_t pci_conf_addresst;
86	bus_space_handle_t pci_conf_addressh;
87
88	/* PCI configuration data register */
89	bus_space_tag_t pci_conf_datat;
90	bus_space_handle_t pci_conf_datah;
91
92	void		*cookie; /* used in some implementations */
93};
94
95
96/*
97 * Functions provided to machine-independent PCI code.
98 */
99#define	pci_attach_hook(p, s, pba)					\
100	(*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
101#define	pci_bus_maxdevs(c, b)						\
102	(*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b))
103#define	pci_make_tag(c, b, d, f)					\
104	(*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f))
105#define	pci_decompose_tag(c, t, bp, dp, fp)				\
106	(*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp))
107#define	pci_conf_read(c, t, r)						\
108	(*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r))
109#define	pci_conf_write(c, t, r, v)					\
110	(*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v))
111#define	pci_intr_map(pa, ihp)						\
112	(*(pa)->pa_pc->pc_intr_map)((pa), (ihp))
113#define	pci_intr_string(c, ih, buf, len)				\
114	(*(c)->pc_intr_string)((c)->pc_intr_v, (ih), (buf), (len))
115#define	pci_intr_evcnt(c, ih)						\
116	(*(c)->pc_intr_evcnt)((c)->pc_intr_v, (ih))
117#define	pci_intr_establish(c, ih, l, h, a)				\
118	(*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a))
119#define	pci_intr_disestablish(c, iv)					\
120	(*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv))
121#define	pci_conf_interrupt(c, b, d, f, s, i)				\
122	(*(c)->pc_conf_interrupt)((c), (b), (d), (f), (s), (i))
123#define	pci_conf_hook(c, b, d, f, i)				\
124	(*(c)->pc_conf_hook)((c), (b), (d), (f), (i))
125
126#endif
127
128pcitag_t	amiga_pci_make_tag(pci_chipset_tag_t pc, int bus, int device,
129		    int function);
130void		amiga_pci_decompose_tag(pci_chipset_tag_t pc, pcitag_t tag,
131		    int *bp, int *dp, int *fp);
132void *		amiga_pci_intr_establish(pci_chipset_tag_t pc, pci_intr_handle_t
133		    ih, int level, int (*ih_fun)(void *), void *ih_arg);
134void		amiga_pci_intr_disestablish(pci_chipset_tag_t pc, void *cookie);
135const char *	amiga_pci_intr_string(pci_chipset_tag_t pc,
136		    pci_intr_handle_t ih, char *, size_t);
137int		amiga_pci_conf_hook(pci_chipset_tag_t pct, int bus, int dev,
138		    int func, pcireg_t id);
139void		amiga_pci_conf_interrupt(pci_chipset_tag_t pc, int bus,
140		    int dev, int func, int swiz, int *iline);
141
142