1 /* $NetBSD: pci_machdep.h,v 1.15 2022/08/16 14:00:03 skrll 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 #ifndef _MACHINE_PCI_MACHDEP_H_
32 #define _MACHINE_PCI_MACHDEP_H_
33
34 /*
35 * Machine-specific definitions for PCI autoconfiguration.
36 */
37 #define __HAVE_PCI_CONF_HOOK
38
39 /*
40 * Forward declarations.
41 */
42 struct pci_attach_args;
43
44 /*
45 * Types provided to machine-independent PCI code
46 */
47 typedef struct arc_pci_chipset *pci_chipset_tag_t;
48 typedef u_long pcitag_t;
49 typedef u_long pci_intr_handle_t;
50
51 /*
52 * arc-specific PCI structure and type definitions.
53 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
54 */
55 struct arc_pci_chipset {
56 void (*pc_attach_hook)(device_t, device_t,
57 struct pcibus_attach_args *);
58 int (*pc_bus_maxdevs)(pci_chipset_tag_t, int);
59 pcitag_t (*pc_make_tag)(pci_chipset_tag_t, int, int, int);
60 void (*pc_decompose_tag)(pci_chipset_tag_t, pcitag_t,
61 int *, int *, int *);
62 pcireg_t (*pc_conf_read)(pci_chipset_tag_t, pcitag_t, int);
63 void (*pc_conf_write)(pci_chipset_tag_t, pcitag_t, int,
64 pcireg_t);
65 int (*pc_intr_map)(const struct pci_attach_args *,
66 pci_intr_handle_t *);
67 const char *(*pc_intr_string)(pci_chipset_tag_t,
68 pci_intr_handle_t, char *, size_t);
69 int (*pc_intr_setattr)(void *, pci_intr_handle_t *,
70 int, uint64_t);
71 void *(*pc_intr_establish)(pci_chipset_tag_t,
72 pci_intr_handle_t, int, int (*)(void *), void *);
73 void (*pc_intr_disestablish)(pci_chipset_tag_t, void *);
74 void (*pc_conf_interrupt)(pci_chipset_tag_t, int, int, int,
75 int, int *);
76 int (*pc_conf_hook)(pci_chipset_tag_t, int, int, int,
77 pcireg_t);
78 };
79
80 /*
81 * Functions provided to machine-independent PCI code.
82 */
83 #define pci_attach_hook(p, s, pba) \
84 (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
85 #define pci_bus_maxdevs(c, b) \
86 (*(c)->pc_bus_maxdevs)((c), (b))
87 #define pci_make_tag(c, b, d, f) \
88 (*(c)->pc_make_tag)((c), (b), (d), (f))
89 #define pci_decompose_tag(c, t, bp, dp, fp) \
90 (*(c)->pc_decompose_tag)((c), (t), (bp), (dp), (fp))
91 #define pci_conf_read(c, t, r) \
92 (*(c)->pc_conf_read)((c), (t), (r))
93 #define pci_conf_write(c, t, r, v) \
94 (*(c)->pc_conf_write)((c), (t), (r), (v))
95 #define pci_intr_map(pa, ihp) \
96 (*(pa)->pa_pc->pc_intr_map)((pa), (ihp))
97 #define pci_intr_string(c, ih, buf, len) \
98 (*(c)->pc_intr_string)((c), (ih), (buf), (len))
99 #define pci_intr_establish(c, ih, l, h, a) \
100 (*(c)->pc_intr_establish)((c), (ih), (l), (h), (a))
101 #define pci_intr_disestablish(c, iv) \
102 (*(c)->pc_intr_disestablish)((c), (iv))
103 #define pci_conf_interrupt(c, b, d, f, s, i) \
104 (*(c)->pc_conf_interrupt)((c), (b), (d), (f), (s), (i))
105 #define pci_conf_hook(c, b, d, f, i) \
106 (*(c)->pc_conf_hook)((c), (b), (d), (f), (i))
107
108 static inline int
pci_intr_setattr(pci_chipset_tag_t pc,pci_intr_handle_t * ihp,int attr,uint64_t data)109 pci_intr_setattr(pci_chipset_tag_t pc, pci_intr_handle_t *ihp,
110 int attr, uint64_t data)
111 {
112 if (!pc->pc_intr_setattr)
113 return ENODEV;
114 return pc->pc_intr_setattr(pc, ihp, attr, data);
115 }
116
117 #endif /* _MACHINE_PCI_MACHDEP_H_ */
118