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/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86Bus.h,v 1.21 2002/11/25 14:04:56 eich Exp $ */
/*
* Copyright (c) 1997 by The XFree86 Project, Inc.
*/
/*
* 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.
*/
#ifndef _XF86_BUS_H
#define _XF86_BUS_H
#include "xf86pciBus.h"
#ifdef __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;
/* asynchronous event handling */
#ifdef async
typedef struct _AsyncQRec {
void (*func)(pointer);
pointer arg;
struct _AsyncQRec *next;
} AsyncQRec, *AsyncQPtr;
#endif
#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)
#define busType bus.type
#define pciBusId bus.id.pci
#define isaBusId bus.id.isa
#define sbusBusId bus.id.sbus
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;
PCITAG acc;
pciBridgesSave save;
void (*func)(PCITAG,int,CARD32,CARD32);
} 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 resPtr Acc;
extern resPtr osRes;
extern resPtr ResRange;
extern BusAccPtr xf86BusAccInfo;
int xf86AllocateEntity(void);
BusType StringToBusType(const char* busID, const char **retID);
memType ChkConflict(resRange *rgp, resPtr res, xf86State state);
Bool xf86IsSubsetOf(resRange range, resPtr list);
Bool xf86IsListSubsetOf(resPtr list, resPtr BaseList);
resPtr xf86ExtractTypeFromList(resPtr list, unsigned long type);
resPtr findIntersect(resRange Range, resPtr list);
resPtr xf86FindIntersect(resRange Range, resPtr list);
void RemoveOverlaps(resPtr target, resPtr list, Bool pow2Alignment,
Bool useEstimated);
void xf86ConvertListToHost(int entityIndex, resPtr list);
#endif /* _XF86_BUS_H */
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