# pci.h

    00001 /**************************************************************************************
    00002  Copyright (c) 2002 The UbixOS Project
    00003  All rights reserved.
    00004
    00005 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
    00006
    00007 Redistributions of source code must retain the above copyright notice, this list of conditions, the following disclaimer and the list of authors.
    00008 Redistributions in binary form must reproduce the above copyright notice, this list of conditions, the following disclaimer and the list of authors
    00009 in the documentation and/or other materials provided with the distribution. Neither the name of the UbixOS Project nor the names of its
    00010 contributors may be used to endorse or promote products derived from this software without specific prior written permission.
    00011
    00012 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
    00013 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    00014 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
    00015 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
    00016 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
    00017 OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    00018 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    00019
    00020  $Id$
    00021
    00022 **************************************************************************************/
    00023
    00024 #ifndef _PCI_H
    00025 #define _PCI_H
    00026
    00027 #include <ubixos/types.h>
    00028
    00029
    00030 struct pciConfig {
    00031   uInt16 vendorId;
    00032   uInt16 deviceId;
    00033
    00034   uInt16 command;
    00035   uInt16 status;
    00036
    00037   uInt8  revisionId;
    00038   uInt8  interface;
    00039   uInt8  subClass;
    00040   uInt8  baseClass;
    00041
    00042   uInt8  cacheLineSize;
    00043   uInt8  latencyTimer;
    00044   uInt8  headerType;
    00045   uInt8  bist;
    00046
    00047   /* device info */
    00048   uInt8  bus;
    00049   uInt8  dev;
    00050   uInt8  func;
    00051   uInt8  irq;
    00052
    00053   /* base registers */
    00054   uInt32 base[6];
    00055   uInt32 size[6];
    00056
    00057   uInt16 subsysVendor;
    00058   uInt16 subsys;
    00059
    00060   };
    00061
    00062 struct confadd {
    00063   uInt8 reg:8;
    00064   uInt8 func:3;
    00065   uInt8 dev:5;
    00066   uInt8 bus:8;
    00067   uInt8 rsvd:7;
    00068   uInt8 enable:1;
    00069   };
    00070
    00071 #define countof(a)     (sizeof(a) / sizeof(a[0]))
    00072
    00073 int pciInit();
    00074 bool pciProbe(int bus,int dev,int func,struct pciConfig *cfg);
    00075 uInt32 pciRead(int bus, int dev, int func, int reg, int bytes);
    00076 void pciWrite(int bus,int dev,int func,int reg,uInt32 v,int bytes);
    00077
    00078 #endif
    00079