summaryrefslogtreecommitdiff
path: root/hw/xfree86/common/xf86Bus.h
blob: 83ba83c85a0cb8be4dc4c44793f727a70f5de302 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
/*
 * Copyright (c) 1997-2003 by The XFree86 Project, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name of the copyright holder(s)
 * and author(s) shall not be used in advertising or otherwise to promote
 * the sale, use or other dealings in this Software without prior written
 * authorization from the copyright holder(s) and author(s).
 */

/*
 * This file contains definitions of the bus-related data structures/types.
 * Everything contained here is private to xf86Bus.c.  In particular the
 * video drivers must not include this file.
 */

#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif

#ifndef _XF86_BUS_H
#define _XF86_BUS_H

#include "xf86pciBus.h"
#if defined(__sparc__) || defined(__sparc)
#include "xf86sbusBus.h"
#endif

typedef struct racInfo {
    xf86AccessPtr mem_new;
    xf86AccessPtr io_new;
    xf86AccessPtr io_mem_new;
    xf86SetAccessFuncPtr old;
} AccessFuncRec, *AccessFuncPtr;


typedef struct {
    DriverPtr                   driver;
    int                         chipset;
    int                         entityProp;
    EntityProc                  entityInit;
    EntityProc                  entityEnter;
    EntityProc                  entityLeave;
    pointer                     private;
    resPtr                      resources;
    Bool                        active;
    Bool                        inUse;
    BusRec                      bus;
    EntityAccessPtr             access;
    AccessFuncPtr               rac;
    pointer                     busAcc;
    int                         lastScrnFlag;
    DevUnion *                  entityPrivates;
    int                         numInstances;
    GDevPtr *                   devices;   
    IOADDRESS                   domainIO;
} EntityRec, *EntityPtr;

#define NO_SEPARATE_IO_FROM_MEM 0x0001
#define NO_SEPARATE_MEM_FROM_IO 0x0002
#define NEED_VGA_ROUTED 0x0004
#define NEED_VGA_ROUTED_SETUP 0x0008
#define NEED_MEM 0x0010
#define NEED_IO  0x0020
#define NEED_MEM_SHARED 0x0040
#define NEED_IO_SHARED 0x0080
#define ACCEL_IS_SHARABLE 0x0100
#define IS_SHARED_ACCEL 0x0200
#define SA_PRIM_INIT_DONE 0x0400
#define NEED_VGA_MEM 0x1000
#define NEED_VGA_IO  0x2000

#define NEED_SHARED (NEED_MEM_SHARED | NEED_IO_SHARED)

struct x_BusAccRec;
typedef void (*BusAccProcPtr)(struct x_BusAccRec *ptr);

typedef struct x_BusAccRec {
    BusAccProcPtr set_f;
    BusAccProcPtr enable_f;
    BusAccProcPtr disable_f;
    BusAccProcPtr save_f;
    BusAccProcPtr restore_f;
    struct x_BusAccRec *current; /* pointer to bridge open on this bus */
    struct x_BusAccRec *primary; /* pointer to the bus connecting to this */
    struct x_BusAccRec *next;    /* this links the different buses together */
    BusType type;
    BusType busdep_type;
    /* Bus-specific fields */
    union {
	struct {
	    int bus;
	    int primary_bus;
	    struct pci_device * dev;
	    pciBridgesSave save;
	} pci;
    } busdep;
} BusAccRec, *BusAccPtr;

/* state change notification callback */
typedef struct _stateChange {
    xf86StateChangeNotificationCallbackFunc func;
    pointer arg;
    struct _stateChange *next;
} StateChangeNotificationRec, *StateChangeNotificationPtr;


extern EntityPtr *xf86Entities;
extern int xf86NumEntities;
extern xf86AccessRec AccessNULL;
extern BusRec primaryBus;
extern BusAccPtr xf86BusAccInfo;

int xf86AllocateEntity(void);
BusType StringToBusType(const char* busID, const char **retID);
Bool xf86IsSubsetOf(resRange range, resPtr list);

#endif /* _XF86_BUS_H */