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