xref: /netbsd-src/sys/arch/arc/include/pci_machdep.h (revision b7b7574d3bf8eeb51a1fa3977b59142ec6434a55)
1 /* $NetBSD: pci_machdep.h,v 1.11 2014/03/29 19:28:26 christos 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 #define __HAVE_PCI_CONF_HOOK
35 
36 /*
37  * Forward declarations.
38  */
39 struct pci_attach_args;
40 
41 /*
42  * Types provided to machine-independent PCI code
43  */
44 typedef struct arc_pci_chipset *pci_chipset_tag_t;
45 typedef u_long pcitag_t;
46 typedef u_long pci_intr_handle_t;
47 
48 /*
49  * arc-specific PCI structure and type definitions.
50  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
51  */
52 struct arc_pci_chipset {
53 	void		(*pc_attach_hook)(device_t, device_t,
54 			    struct pcibus_attach_args *);
55 	int		(*pc_bus_maxdevs)(pci_chipset_tag_t, int);
56 	pcitag_t	(*pc_make_tag)(pci_chipset_tag_t, int, int, int);
57 	void		(*pc_decompose_tag)(pci_chipset_tag_t, pcitag_t,
58 			    int *, int *, int *);
59 	pcireg_t	(*pc_conf_read)(pci_chipset_tag_t, pcitag_t, int);
60 	void		(*pc_conf_write)(pci_chipset_tag_t, pcitag_t, int,
61 			    pcireg_t);
62 	int		(*pc_intr_map)(const struct pci_attach_args *,
63 			    pci_intr_handle_t *);
64 	const char	*(*pc_intr_string)(pci_chipset_tag_t,
65 			    pci_intr_handle_t, char *, size_t);
66 	void		*(*pc_intr_establish)(pci_chipset_tag_t,
67 			    pci_intr_handle_t, int, int (*)(void *), void *);
68 	void		(*pc_intr_disestablish)(pci_chipset_tag_t, void *);
69 	void		(*pc_conf_interrupt)(pci_chipset_tag_t, int, int, int,
70 			    int, int *);
71 	int		(*pc_conf_hook)(pci_chipset_tag_t, int, int, int,
72 			    pcireg_t);
73 
74 	struct extent	*pc_memext;
75 	struct extent	*pc_ioext;
76 };
77 
78 /*
79  * Functions provided to machine-independent PCI code.
80  */
81 #define	pci_attach_hook(p, s, pba)					\
82     (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
83 #define	pci_bus_maxdevs(c, b)						\
84     (*(c)->pc_bus_maxdevs)((c), (b))
85 #define	pci_make_tag(c, b, d, f)					\
86     (*(c)->pc_make_tag)((c), (b), (d), (f))
87 #define	pci_decompose_tag(c, t, bp, dp, fp)				\
88     (*(c)->pc_decompose_tag)((c), (t), (bp), (dp), (fp))
89 #define	pci_conf_read(c, t, r)						\
90     (*(c)->pc_conf_read)((c), (t), (r))
91 #define	pci_conf_write(c, t, r, v)					\
92     (*(c)->pc_conf_write)((c), (t), (r), (v))
93 #define	pci_intr_map(pa, ihp)						\
94     (*(pa)->pa_pc->pc_intr_map)((pa), (ihp))
95 #define	pci_intr_string(c, ih, buf, len)				\
96     (*(c)->pc_intr_string)((c), (ih), (buf), (len))
97 #define	pci_intr_establish(c, ih, l, h, a)				\
98     (*(c)->pc_intr_establish)((c), (ih), (l), (h), (a))
99 #define	pci_intr_disestablish(c, iv)					\
100     (*(c)->pc_intr_disestablish)((c), (iv))
101 #define	pci_conf_interrupt(c, b, d, f, s, i)				\
102     (*(c)->pc_conf_interrupt)((c), (b), (d), (f), (s), (i))
103 #define	pci_conf_hook(c, b, d, f, i)				\
104     (*(c)->pc_conf_hook)((c), (b), (d), (f), (i))
105