1/*	$NetBSD: pci_machdep.h,v 1.8 2012/10/27 17:17:54 chs 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 */
36typedef struct hpcmips_pci_chipset *pci_chipset_tag_t;
37typedef u_long pcitag_t;
38typedef u_long pci_intr_handle_t;
39
40/*
41 * Forward declarations.
42 */
43struct pci_attach_args;
44
45/*
46 * hpcmips-specific PCI structure and type definitions.
47 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
48 */
49struct 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