| 1 | /* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86Bus.h,v 1.21 2002/11/25 14:04:56 eich Exp $ */
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| 2 | /*
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| 3 | * Copyright (c) 1997 by The XFree86 Project, Inc.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * This file contains definitions of the bus-related data structures/types.
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| 8 | * Everything contained here is private to xf86Bus.c. In particular the
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| 9 | * video drivers must not include this file.
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| 10 | */
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| 11 |
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| 12 | #ifndef _XF86_BUS_H
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| 13 | #define _XF86_BUS_H
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| 14 |
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| 15 | #include "xf86pciBus.h"
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| 16 | #ifdef __sparc__
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| 17 | #include "xf86sbusBus.h"
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| 18 | #endif
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| 19 |
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| 20 | typedef struct racInfo {
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| 21 | xf86AccessPtr mem_new;
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| 22 | xf86AccessPtr io_new;
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| 23 | xf86AccessPtr io_mem_new;
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| 24 | xf86SetAccessFuncPtr old;
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| 25 | } AccessFuncRec, *AccessFuncPtr;
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| 26 |
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| 27 |
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| 28 | typedef struct {
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| 29 | DriverPtr driver;
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| 30 | int chipset;
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| 31 | int entityProp;
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| 32 | EntityProc entityInit;
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| 33 | EntityProc entityEnter;
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| 34 | EntityProc entityLeave;
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| 35 | pointer private;
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| 36 | resPtr resources;
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| 37 | Bool active;
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| 38 | Bool inUse;
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| 39 | BusRec bus;
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| 40 | EntityAccessPtr access;
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| 41 | AccessFuncPtr rac;
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| 42 | pointer busAcc;
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| 43 | int lastScrnFlag;
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| 44 | DevUnion * entityPrivates;
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| 45 | int numInstances;
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| 46 | GDevPtr * devices;
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| 47 | IOADDRESS domainIO;
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| 48 | } EntityRec, *EntityPtr;
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| 49 |
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| 50 | /* asynchronous event handling */
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| 51 | #ifdef async
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| 52 | typedef struct _AsyncQRec {
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| 53 | void (*func)(pointer);
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| 54 | pointer arg;
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| 55 | struct _AsyncQRec *next;
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| 56 | } AsyncQRec, *AsyncQPtr;
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| 57 | #endif
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| 58 |
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| 59 | #define NO_SEPARATE_IO_FROM_MEM 0x0001
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| 60 | #define NO_SEPARATE_MEM_FROM_IO 0x0002
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| 61 | #define NEED_VGA_ROUTED 0x0004
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| 62 | #define NEED_VGA_ROUTED_SETUP 0x0008
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| 63 | #define NEED_MEM 0x0010
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| 64 | #define NEED_IO 0x0020
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| 65 | #define NEED_MEM_SHARED 0x0040
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| 66 | #define NEED_IO_SHARED 0x0080
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| 67 | #define ACCEL_IS_SHARABLE 0x0100
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| 68 | #define IS_SHARED_ACCEL 0x0200
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| 69 | #define SA_PRIM_INIT_DONE 0x0400
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| 70 | #define NEED_VGA_MEM 0x1000
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| 71 | #define NEED_VGA_IO 0x2000
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| 72 |
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| 73 | #define NEED_SHARED (NEED_MEM_SHARED | NEED_IO_SHARED)
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| 74 |
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| 75 | #define busType bus.type
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| 76 | #define pciBusId bus.id.pci
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| 77 | #define isaBusId bus.id.isa
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| 78 | #define sbusBusId bus.id.sbus
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| 79 |
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| 80 | struct x_BusAccRec;
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| 81 | typedef void (*BusAccProcPtr)(struct x_BusAccRec *ptr);
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| 82 |
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| 83 | typedef struct x_BusAccRec {
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| 84 | BusAccProcPtr set_f;
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| 85 | BusAccProcPtr enable_f;
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| 86 | BusAccProcPtr disable_f;
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| 87 | BusAccProcPtr save_f;
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| 88 | BusAccProcPtr restore_f;
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| 89 | struct x_BusAccRec *current; /* pointer to bridge open on this bus */
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| 90 | struct x_BusAccRec *primary; /* pointer to the bus connecting to this */
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| 91 | struct x_BusAccRec *next; /* this links the different buses together */
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| 92 | BusType type;
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| 93 | BusType busdep_type;
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| 94 | /* Bus-specific fields */
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| 95 | union {
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| 96 | struct {
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| 97 | int bus;
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| 98 | int primary_bus;
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| 99 | PCITAG acc;
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| 100 | pciBridgesSave save;
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| 101 | void (*func)(PCITAG,int,CARD32,CARD32);
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| 102 | } pci;
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| 103 | } busdep;
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| 104 | } BusAccRec, *BusAccPtr;
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| 105 |
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| 106 | /* state change notification callback */
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| 107 | typedef struct _stateChange {
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| 108 | xf86StateChangeNotificationCallbackFunc func;
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| 109 | pointer arg;
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| 110 | struct _stateChange *next;
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| 111 | } StateChangeNotificationRec, *StateChangeNotificationPtr;
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| 112 |
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| 113 |
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| 114 | extern EntityPtr *xf86Entities;
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| 115 | extern int xf86NumEntities;
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| 116 | extern xf86AccessRec AccessNULL;
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| 117 | extern BusRec primaryBus;
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| 118 | extern resPtr Acc;
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| 119 | extern resPtr osRes;
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| 120 | extern resPtr ResRange;
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| 121 | extern BusAccPtr xf86BusAccInfo;
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| 122 |
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| 123 | int xf86AllocateEntity(void);
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| 124 | BusType StringToBusType(const char* busID, const char **retID);
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| 125 | memType ChkConflict(resRange *rgp, resPtr res, xf86State state);
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| 126 | Bool xf86IsSubsetOf(resRange range, resPtr list);
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| 127 | Bool xf86IsListSubsetOf(resPtr list, resPtr BaseList);
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| 128 | resPtr xf86ExtractTypeFromList(resPtr list, unsigned long type);
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| 129 | resPtr findIntersect(resRange Range, resPtr list);
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| 130 | resPtr xf86FindIntersect(resRange Range, resPtr list);
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| 131 | void RemoveOverlaps(resPtr target, resPtr list, Bool pow2Alignment,
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| 132 | Bool useEstimated);
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| 133 | void xf86ConvertListToHost(int entityIndex, resPtr list);
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| 134 |
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| 135 | #endif /* _XF86_BUS_H */
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