1/* $OpenBSD: pci_machdep.h,v 1.10 2016/05/04 14:30:01 kettenis Exp $ */
2
3/*
4 * Copyright (c) 2003-2004 Opsycon AB (www.opsycon.se / www.opsycon.com)
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
19 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 */
28
29typedef struct mips_pci_chipset *pci_chipset_tag_t;
30typedef u_long pcitag_t;
31typedef u_long pci_intr_handle_t;
32
33struct pci_attach_args;
34
35/*
36 * mips-specific PCI structure and type definitions.
37 * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
38 */
39struct mips_pci_chipset {
40 void *pc_conf_v;
41 void (*pc_attach_hook)(struct device *,
42 struct device *, struct pcibus_attach_args *);
43 int (*pc_bus_maxdevs)(void *, int);
44 pcitag_t (*pc_make_tag)(void *, int, int, int);
45 void (*pc_decompose_tag)(void *, pcitag_t, int *,
46 int *, int *);
47 int (*pc_conf_size)(void *, pcitag_t);
48 pcireg_t (*pc_conf_read)(void *, pcitag_t, int);
49 void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t);
50
51 void *pc_intr_v;
52 int (*pc_intr_map)(struct pci_attach_args *, pci_intr_handle_t *);
53 const char *(*pc_intr_string)(void *, pci_intr_handle_t);
54 void *(*pc_intr_establish)(void *, pci_intr_handle_t,
55 int, int (*)(void *), void *, char *);
56 void (*pc_intr_disestablish)(void *, void *);
57};
58
59/*
60 * Functions provided to machine-independent PCI code.
61 */
62#define pci_attach_hook(p, s, pba) \
63 (*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
64#define pci_bus_maxdevs(c, b) \
65 (*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b))
66#define pci_make_tag(c, b, d, f) \
67 (*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f))
68#define pci_decompose_tag(c, t, bp, dp, fp) \
69 (*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp))
70#define pci_conf_size(c, t) \
71 (*(c)->pc_conf_size)((c)->pc_conf_v, (t))
72#define pci_conf_read(c, t, r) \
73 (*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r))
74#define pci_conf_write(c, t, r, v) \
75 (*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v))
76#define pci_intr_map(c, ihp) \
77 (*(c)->pa_pc->pc_intr_map)((c), (ihp))
78#define pci_intr_map_msi(c, ihp) (-1)
79#define pci_intr_map_msix(c, vec, ihp) (-1)
80#define pci_intr_string(c, ih) \
81 (*(c)->pc_intr_string)((c)->pc_intr_v, (ih))
82#define pci_intr_establish(c, ih, l, h, a, nm) \
83 (*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a), (nm))
84#define pci_intr_disestablish(c, iv) \
85 (*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv))
86#define pci_probe_device_hook(c, a) (0)
87
88#define pci_min_powerstate(c, t) (PCI_PMCSR_STATE_D3)
89#define pci_set_powerstate_md(c, t, s, p)
90
91/* PCI view of CPU memory */
92extern paddr_t loongson_dma_base;
93
94/*
95 * Functions used during early system configuration.
96 */
97
98extern pcitag_t (*pci_make_tag_early)(int, int, int);
99extern pcireg_t (*pci_conf_read_early)(pcitag_t, int);
100
101#define pci_dev_postattach(a, b)