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