pci_machdep.h revision 1.3.2.4 1 /* $NetBSD: pci_machdep.h,v 1.3.2.4 2014/05/22 11:39:29 yamt 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 */
44 struct pci_attach_args;
45
46 /*
47 * Types provided to machine-independent PCI code
48 */
49 typedef struct amiga_pci_chipset *pci_chipset_tag_t;
50 typedef u_long pcitag_t;
51 typedef u_long pci_intr_handle_t;
52
53 extern 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 */
59 struct 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
128 pcitag_t amiga_pci_make_tag(pci_chipset_tag_t pc, int bus, int device,
129 int function);
130 void amiga_pci_decompose_tag(pci_chipset_tag_t pc, pcitag_t tag,
131 int *bp, int *dp, int *fp);
132 void * amiga_pci_intr_establish(pci_chipset_tag_t pc, pci_intr_handle_t
133 ih, int level, int (*ih_fun)(void *), void *ih_arg);
134 void amiga_pci_intr_disestablish(pci_chipset_tag_t pc, void *cookie);
135 const char * amiga_pci_intr_string(pci_chipset_tag_t pc,
136 pci_intr_handle_t ih, char *, size_t);
137 int amiga_pci_conf_hook(pci_chipset_tag_t pct, int bus, int dev,
138 int func, pcireg_t id);
139 void amiga_pci_conf_interrupt(pci_chipset_tag_t pc, int bus,
140 int dev, int func, int swiz, int *iline);
141
142