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  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_FREE_COPYRIGHT@
  27  *
  28  */
  29 /*
  30  * HISTORY
  31  *
  32  * Revision 1.2  1998/09/30 21:20:44  wsanchez
  33  * Merged in IntelMerge1 (mburg: Intel support)
  34  *
  35  * Revision 1.1.2.1  1998/09/30 18:18:50  mburg
  36  * Changes for Intel port
  37  *
  38  * Revision 1.1.1.1  1998/03/07 02:25:45  wsanchez
  39  * Import of OSF Mach kernel (~mburg)
  40  *
  41  * Revision 1.1.6.2  1995/12/15  10:52:14  bernadat
  42  *      Split dev and vendor ids.
  43  *      [95/11/15            bernadat]
  44  *
  45  * Revision 1.1.6.1  1995/02/23  17:22:27  alanl
  46  *      Taken from DIPC2_SHARED
  47  *      [1995/01/03  19:09:31  alanl]
  48  *
  49  * Revision 1.1.2.1  1994/10/11  18:24:42  rwd
  50  *      Created.
  51  *      [1994/10/11  18:15:31  rwd]
  52  *
  53  * $EndLog$
  54  */
  55 /*
  56  * Taken from
  57  *
  58  *  Copyright (c) 1994  Wolfgang Stanglmeier, Koeln, Germany
  59  *                      <wolf@dentaro.GUN.de>
  60  */
  61
  62 #ifndef __PCI_DEVICE_H__
  63 #define __PCI_DEVICE_H__
  64
  65 /*------------------------------------------------------------
  66  *
  67  *  Per driver structure.
  68  *
  69  *------------------------------------------------------------
  70 */
  71
  72 typedef unsigned short pci_vendor_id_t;
  73 typedef unsigned short pci_dev_id_t;
  74
  75 typedef union {
  76         unsigned long cfg1;
  77         struct {
  78                  unsigned char   enable;
  79                  unsigned char   forward;
  80                  unsigned short  port;
  81                } cfg2;
  82         } pcici_t;
  83
  84 struct pci_driver {
  85     int                 (*probe )(pcici_t pci_ident);   /* test whether device
  86                                                            is present */
  87     int                 (*attach)(pcici_t pci_ident);   /* setup driver for a
  88                                                            device */
  89     pci_vendor_id_t     vendor_id;                      /* vendor pci id */
  90     pci_dev_id_t        device_id;                      /* device pci id */
  91     char                *name;                          /* device name */
  92     char                *vendor;                        /* device long name */
  93     void                (*intr)(int);                   /* interupt handler */
  94 };
  95
  96 /*-----------------------------------------------------------
  97  *
  98  *  Per device structure.
  99  *
 100  *  It is initialized by the config utility and should live in
 101  *  "ioconf.c". At the moment there is only one field.
 102  *
 103  *  This is a first attempt to include the pci bus to 386bsd.
 104  *  So this structure may grow ..
 105  *
 106  *-----------------------------------------------------------
 107 */
 108
 109 struct pci_device {
 110         struct pci_driver * pd_driver;
 111 };
 112
 113 /*-----------------------------------------------------------
 114  *
 115  *  This functions may be used by drivers to map devices
 116  *  to virtual and physical addresses. The va and pa
 117  *  addresses are "in/out" parameters. If they are 0
 118  *  on entry, the mapping function assigns an address.
 119  *
 120  *-----------------------------------------------------------
 121 */
 122
 123 int pci_map_mem(pcici_t tag,
 124                 unsigned long entry,
 125                 vm_offset_t *va,
 126                 vm_offset_t *pa);
 127 #endif /*__PCI_DEVICE_H__*/