xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
Log | Files | Refs | README | LICENSE

xf86fbBus.c (2786B)

      1 /*
      2  * Copyright (c) 2000-2001 by The XFree86 Project, Inc.
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice shall be included in
     12  * all copies or substantial portions of the Software.
     13  *
     14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     20  * OTHER DEALINGS IN THE SOFTWARE.
     21  *
     22  * Except as contained in this notice, the name of the copyright holder(s)
     23  * and author(s) shall not be used in advertising or otherwise to promote
     24  * the sale, use or other dealings in this Software without prior written
     25  * authorization from the copyright holder(s) and author(s).
     26  */
     27 
     28 /*
     29  * This file contains the interfaces to the bus-specific code
     30  */
     31 
     32 #ifdef HAVE_XORG_CONFIG_H
     33 #include <xorg-config.h>
     34 #endif
     35 
     36 #include <ctype.h>
     37 #include <stdlib.h>
     38 #include <unistd.h>
     39 #include <X11/X.h>
     40 #include "os.h"
     41 #include "xf86.h"
     42 #include "xf86Priv.h"
     43 
     44 #include "xf86Bus.h"
     45 
     46 #define XF86_OS_PRIVS
     47 #include "xf86_OSproc.h"
     48 
     49 Bool fbSlotClaimed = FALSE;
     50 
     51 int
     52 xf86ClaimFbSlot(DriverPtr drvp, int chipset, GDevPtr dev, Bool active)
     53 {
     54     EntityPtr p;
     55     int num;
     56 
     57 #ifdef XSERVER_PLATFORM_BUS
     58     if (platformSlotClaimed)
     59         return -1;
     60 #endif
     61 #ifdef XSERVER_LIBPCIACCESS
     62     if (pciSlotClaimed)
     63         return -1;
     64 #endif
     65 #if defined(__sparc__) || defined (__sparc64__)
     66     if (sbusSlotClaimed)
     67         return -1;
     68 #endif
     69 
     70     num = xf86AllocateEntity();
     71     p = xf86Entities[num];
     72     p->driver = drvp;
     73     p->chipset = 0;
     74     p->bus.type = BUS_NONE;
     75     p->active = active;
     76     p->inUse = FALSE;
     77     xf86AddDevToEntity(num, dev);
     78 
     79     fbSlotClaimed = TRUE;
     80     return num;
     81 }
     82 
     83 /*
     84  * Get the list of FB "slots" claimed by a screen
     85  */
     86 int
     87 xf86GetFbInfoForScreen(int scrnIndex)
     88 {
     89     int num = 0;
     90     int i;
     91     EntityPtr p;
     92 
     93     for (i = 0; i < xf86Screens[scrnIndex]->numEntities; i++) {
     94         p = xf86Entities[xf86Screens[scrnIndex]->entityList[i]];
     95         if (p->bus.type == BUS_NONE) {
     96             num++;
     97         }
     98     }
     99     return num;
    100 }