xorg-server-1.4/hw/xfree86/common/xf86pciBus.h

   1
   2 /*
   3  * Copyright (c) 1999-2003 by The XFree86 Project, Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  21  * OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Except as contained in this notice, the name of the copyright holder(s)
  24  * and author(s) shall not be used in advertising or otherwise to promote
  25  * the sale, use or other dealings in this Software without prior written
  26  * authorization from the copyright holder(s) and author(s).
  27  */
  28
  29 #ifdef HAVE_XORG_CONFIG_H
  30 #include <xorg-config.h>
  31 #endif
  32
  33 #ifndef _XF86_PCI_BUS_H
  34 #define _XF86_PCI_BUS_H
  35
  36 #define PCITAG_SPECIAL pciTag(0xFF,0xFF,0xFF)
  37
  38 typedef struct {
  39     CARD32 command;
  40     CARD32 base[6];
  41     CARD32 biosBase;
  42 } pciSave, *pciSavePtr;
  43
  44 typedef struct {
  45     PCITAG tag;
  46     CARD32 ctrl;
  47 } pciArg;
  48
  49 typedef struct {
  50     int busnum;
  51     int devnum;
  52     int funcnum;
  53     pciArg arg;
  54     xf86AccessRec ioAccess;
  55     xf86AccessRec io_memAccess;
  56     xf86AccessRec memAccess;
  57     pciSave save;
  58     pciSave restore;
  59     Bool ctrl;
  60 } pciAccRec, *pciAccPtr;
  61
  62 typedef union {
  63     CARD16 control;
  64 } pciBridgesSave, *pciBridgesSavePtr;
  65
  66 typedef struct pciBusRec {
  67     int brbus, brdev, brfunc;   /* ID of the bridge to this bus */
  68     int primary, secondary, subordinate;
  69     int subclass;               /* bridge type */
  70     int interface;
  71     resPtr preferred_io;        /* I/O range */
  72     resPtr preferred_mem;       /* non-prefetchable memory range */
  73     resPtr preferred_pmem;      /* prefetchable memory range */
  74     resPtr io;                  /* for subtractive PCI-PCI bridges */
  75     resPtr mem;
  76     resPtr pmem;
  77     int brcontrol;              /* bridge_control byte */
  78     struct pciBusRec *next;
  79 } PciBusRec, *PciBusPtr;
  80
  81 void xf86PciProbe(void);
  82 void ValidatePci(void);
  83 resList GetImplicitPciResources(int entityIndex);
  84 void initPciState(void);
  85 void initPciBusState(void);
  86 void DisablePciAccess(void);
  87 void DisablePciBusAccess(void);
  88 void PciStateEnter(void);
  89 void PciBusStateEnter(void);
  90 void PciStateLeave(void);
  91 void PciBusStateLeave(void);
  92 resPtr ResourceBrokerInitPci(resPtr *osRes);
  93 void pciConvertRange2Host(int entityIndex, resRange *pRange);
  94 void isaConvertRange2Host(resRange *pRange);
  95
  96 extern pciAccPtr * xf86PciAccInfo;
  97
  98 #endif /* _XF86_PCI_BUS_H */