/* * Copyright (c) 2000-2001 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 the interfaces to the bus-specific code */ #ifdef HAVE_XORG_CONFIG_H #include <xorg-config.h> #endif #include <ctype.h> #include <stdlib.h> #include <unistd.h> #include <X11/X.h> #include "os.h" #include "xf86.h" #include "xf86Priv.h" #include "xf86Bus.h" #define XF86_OS_PRIVS #include "xf86_OSproc.h" Bool fbSlotClaimed = FALSE; int xf86ClaimFbSlot(DriverPtr drvp, int chipset, GDevPtr dev, Bool active) { EntityPtr p; int num; if (pciSlotClaimed) return -1; #if defined(__sparc__) || defined (__sparc64__) if (sbusSlotClaimed) return -1; #endif num = xf86AllocateEntity(); p = xf86Entities[num]; p->driver = drvp; p->chipset = 0; p->bus.type = BUS_NONE; p->active = active; p->inUse = FALSE; xf86AddDevToEntity(num, dev); 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->bus.type == BUS_NONE) { num++; } } return num; }