bsd/dev/i386/pci_device.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_FREE_COPYRIGHT@
  24  *
  25  */
  26 /*
  27  * HISTORY
  28  *
  29  * Revision 1.2  1998/09/30 21:20:44  wsanchez
  30  * Merged in IntelMerge1 (mburg: Intel support)
  31  *
  32  * Revision 1.1.2.1  1998/09/30 18:18:50  mburg
  33  * Changes for Intel port
  34  *
  35  * Revision 1.1.1.1  1998/03/07 02:25:45  wsanchez
  36  * Import of OSF Mach kernel (~mburg)
  37  *
  38  * Revision 1.1.6.2  1995/12/15  10:52:14  bernadat
  39  *      Split dev and vendor ids.
  40  *      [95/11/15            bernadat]
  41  *
  42  * Revision 1.1.6.1  1995/02/23  17:22:27  alanl
  43  *      Taken from DIPC2_SHARED
  44  *      [1995/01/03  19:09:31  alanl]
  45  *
  46  * Revision 1.1.2.1  1994/10/11  18:24:42  rwd
  47  *      Created.
  48  *      [1994/10/11  18:15:31  rwd]
  49  *
  50  * $EndLog$
  51  */
  52 /*
  53  * Taken from
  54  *
  55  *  Copyright (c) 1994  Wolfgang Stanglmeier, Koeln, Germany
  56  *                      <wolf@dentaro.GUN.de>
  57  */
  58
  59 #ifndef __PCI_DEVICE_H__
  60 #define __PCI_DEVICE_H__
  61
  62 /*------------------------------------------------------------
  63  *
  64  *  Per driver structure.
  65  *
  66  *------------------------------------------------------------
  67 */
  68
  69 typedef unsigned short pci_vendor_id_t;
  70 typedef unsigned short pci_dev_id_t;
  71
  72 typedef union {
  73         unsigned long cfg1;
  74         struct {
  75                  unsigned char   enable;
  76                  unsigned char   forward;
  77                  unsigned short  port;
  78                } cfg2;
  79         } pcici_t;
  80
  81 struct pci_driver {
  82     int                 (*probe )(pcici_t pci_ident);   /* test whether device
  83                                                            is present */
  84     int                 (*attach)(pcici_t pci_ident);   /* setup driver for a
  85                                                            device */
  86     pci_vendor_id_t     vendor_id;                      /* vendor pci id */
  87     pci_dev_id_t        device_id;                      /* device pci id */
  88     char                *name;                          /* device name */
  89     char                *vendor;                        /* device long name */
  90     void                (*intr)(int);                   /* interupt handler */
  91 };
  92
  93 /*-----------------------------------------------------------
  94  *
  95  *  Per device structure.
  96  *
  97  *  It is initialized by the config utility and should live in
  98  *  "ioconf.c". At the moment there is only one field.
  99  *
 100  *  This is a first attempt to include the pci bus to 386bsd.
 101  *  So this structure may grow ..
 102  *
 103  *-----------------------------------------------------------
 104 */
 105
 106 struct pci_device {
 107         struct pci_driver * pd_driver;
 108 };
 109
 110 /*-----------------------------------------------------------
 111  *
 112  *  This functions may be used by drivers to map devices
 113  *  to virtual and physical addresses. The va and pa
 114  *  addresses are "in/out" parameters. If they are 0
 115  *  on entry, the mapping function assigns an address.
 116  *
 117  *-----------------------------------------------------------
 118 */
 119
 120 int pci_map_mem(pcici_t tag,
 121                 unsigned long entry,
 122                 vm_offset_t *va,
 123                 vm_offset_t *pa);
 124 #endif /*__PCI_DEVICE_H__*/