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This commit is contained in:
Kaleb Keithley 2003-11-14 16:48:57 +00:00
commit 9508a382f8
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70
hw/xfree86/common/xf86fbBus.c Normal file
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/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86fbBus.c,v 1.2 2001/10/28 03:33:19 tsi Exp $ */
/*
* Copyright (c) 2000 by The XFree86 Project, Inc.
*/
/*
* This file contains the interfaces to the bus-specific code
*/
#include <ctype.h>
#include <stdlib.h>
#include <unistd.h>
#include "X.h"
#include "os.h"
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86Resources.h"
#include "xf86Bus.h"
#define XF86_OS_PRIVS
#define NEED_OS_RAC_PROTOS
#include "xf86_OSproc.h"
#include "xf86RAC.h"
Bool fbSlotClaimed = FALSE;
int
xf86ClaimFbSlot(DriverPtr drvp, int chipset, GDevPtr dev, Bool active)
{
EntityPtr p;
int num;
num = xf86AllocateEntity();
p = xf86Entities[num];
p->driver = drvp;
p->chipset = 0;
p->busType = BUS_NONE;
p->active = active;
p->inUse = FALSE;
xf86AddDevToEntity(num, dev);
p->access = xnfcalloc(1,sizeof(EntityAccessRec));
p->access->fallback = &AccessNULL;
p->access->pAccess = &AccessNULL;
p->busAcc = NULL;
fbSlotClaimed = TRUE;
return num;
}
/*
* Get the list of FB "slots" claimed by a screen
*/
int
xf86GetFbInfoForScreen(int scrnIndex)
{
int num = 0;
int i;
EntityPtr p;
for (i = 0; i < xf86Screens[scrnIndex]->numEntities; i++) {
p = xf86Entities[xf86Screens[scrnIndex]->entityList[i]];
if (p->busType == BUS_NONE) {
num++;
}
}
return num;
}