xf86pciBus.h revision 05b261ec 
1
2/*
3 * Copyright (c) 1999-2003 by The XFree86 Project, Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Except as contained in this notice, the name of the copyright holder(s)
24 * and author(s) shall not be used in advertising or otherwise to promote
25 * the sale, use or other dealings in this Software without prior written
26 * authorization from the copyright holder(s) and author(s).
27 */
28
29#ifdef HAVE_XORG_CONFIG_H
30#include <xorg-config.h>
31#endif
32
33#ifndef _XF86_PCI_BUS_H
34#define _XF86_PCI_BUS_H
35
36#define PCITAG_SPECIAL pciTag(0xFF,0xFF,0xFF)
37
38typedef struct {
39    CARD32 command;
40    CARD32 base[6];
41    CARD32 biosBase;
42} pciSave, *pciSavePtr;
43
44typedef struct {
45    PCITAG tag;
46    CARD32 ctrl;
47} pciArg;
48
49typedef struct {
50    int busnum;
51    int devnum;
52    int funcnum;
53    pciArg arg;
54    xf86AccessRec ioAccess;
55    xf86AccessRec io_memAccess;
56    xf86AccessRec memAccess;
57    pciSave save;
58    pciSave restore;
59    Bool ctrl;
60} pciAccRec, *pciAccPtr;
61
62typedef union {
63    CARD16 control;
64} pciBridgesSave, *pciBridgesSavePtr;
65
66typedef struct pciBusRec {
67    int brbus, brdev, brfunc;	/* ID of the bridge to this bus */
68    int primary, secondary, subordinate;
69    int subclass;		/* bridge type */
70    int interface;
71    resPtr preferred_io;	/* I/O range */
72    resPtr preferred_mem;	/* non-prefetchable memory range */
73    resPtr preferred_pmem;	/* prefetchable memory range */
74    resPtr io;			/* for subtractive PCI-PCI bridges */
75    resPtr mem;
76    resPtr pmem;
77    int brcontrol;		/* bridge_control byte */
78    struct pciBusRec *next;
79} PciBusRec, *PciBusPtr;
80
81void xf86PciProbe(void);
82void ValidatePci(void);
83resList GetImplicitPciResources(int entityIndex);
84void initPciState(void);
85void initPciBusState(void);
86void DisablePciAccess(void);
87void DisablePciBusAccess(void);
88void PciStateEnter(void);
89void PciBusStateEnter(void);
90void PciStateLeave(void);
91void PciBusStateLeave(void);
92resPtr ResourceBrokerInitPci(resPtr *osRes);
93void pciConvertRange2Host(int entityIndex, resRange *pRange);
94void isaConvertRange2Host(resRange *pRange);
95
96extern pciAccPtr * xf86PciAccInfo;
97
98#endif /* _XF86_PCI_BUS_H */
99