xref: /netbsd-src/sys/arch/hpcmips/include/pci_machdep.h (revision e58a356cba5da26ec5dfa3e7b91db913ffb59130)
1 /*	$NetBSD: pci_machdep.h,v 1.9 2014/03/29 19:28:28 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 Enami Tsugutomo.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 /*
30  * Machine-specific definitions for PCI autoconfiguration.
31  */
32 
33 /*
34  * Types provided to machine-independent PCI code
35  */
36 typedef struct hpcmips_pci_chipset *pci_chipset_tag_t;
37 typedef u_long pcitag_t;
38 typedef u_long pci_intr_handle_t;
39 
40 /*
41  * Forward declarations.
42  */
43 struct pci_attach_args;
44 
45 /*
46  * hpcmips-specific PCI structure and type definitions.
47  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
48  */
49 struct hpcmips_pci_chipset {
50 	device_t pc_dev;
51 
52 	void (*pc_attach_hook)(device_t, device_t,
53 	    struct pcibus_attach_args *);
54 	int (*pc_bus_maxdevs)(pci_chipset_tag_t, int);
55 	int (*pc_bus_devorder)(pci_chipset_tag_t, int, uint8_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, int *, int *,
58 	    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, pcireg_t);
61 	int (*pc_intr_map)(const struct pci_attach_args *, pci_intr_handle_t *);
62 	const char *(*pc_intr_string)(pci_chipset_tag_t, pci_intr_handle_t,
63 	    char *, size_t);
64 	const struct evcnt *(*pc_intr_evcnt)(pci_chipset_tag_t,
65 	    pci_intr_handle_t);
66 	void *(*pc_intr_establish)(pci_chipset_tag_t, pci_intr_handle_t, int,
67 	    int (*)(void *), void *);
68 	void (*pc_intr_disestablish)(pci_chipset_tag_t, void *);
69 };
70 
71 /*
72  * Functions provided to machine-independent PCI code.
73  */
74 #define	pci_attach_hook(p, s, pba)					\
75     (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
76 #define	pci_bus_maxdevs(c, b)						\
77     (*(c)->pc_bus_maxdevs)((c), (b))
78 #define	pci_make_tag(c, b, d, f)					\
79     (*(c)->pc_make_tag)((c), (b), (d), (f))
80 #define	pci_decompose_tag(c, t, bp, dp, fp)				\
81     (*(c)->pc_decompose_tag)((c), (t), (bp), (dp), (fp))
82 #define	pci_conf_read(c, t, r)						\
83     (*(c)->pc_conf_read)((c), (t), (r))
84 #define	pci_conf_write(c, t, r, v)					\
85     (*(c)->pc_conf_write)((c), (t), (r), (v))
86 #define	pci_intr_map(pa, ihp)						\
87     (*(pa)->pa_pc->pc_intr_map)((pa), (ihp))
88 #define	pci_intr_string(c, ih, buf, len)				\
89     (*(c)->pc_intr_string)((c), (ih), (buf), (len))
90 #define	pci_intr_evcnt(c, ih)						\
91     (*(c)->pc_intr_evcnt)((c), (ih))
92 #define	pci_intr_establish(c, ih, l, h, a)				\
93     (*(c)->pc_intr_establish)((c), (ih), (l), (h), (a))
94 #define	pci_intr_disestablish(c, iv)					\
95     (*(c)->pc_intr_disestablish)((c), (iv))
96