bsd/dev/i386/pci_device.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * @OSF_FREE_COPYRIGHT@
  32  *
  33  */
  34 /*
  35  * HISTORY
  36  *
  37  * Revision 1.2  1998/09/30 21:20:44  wsanchez
  38  * Merged in IntelMerge1 (mburg: Intel support)
  39  *
  40  * Revision 1.1.2.1  1998/09/30 18:18:50  mburg
  41  * Changes for Intel port
  42  *
  43  * Revision 1.1.1.1  1998/03/07 02:25:45  wsanchez
  44  * Import of OSF Mach kernel (~mburg)
  45  *
  46  * Revision 1.1.6.2  1995/12/15  10:52:14  bernadat
  47  *      Split dev and vendor ids.
  48  *      [95/11/15            bernadat]
  49  *
  50  * Revision 1.1.6.1  1995/02/23  17:22:27  alanl
  51  *      Taken from DIPC2_SHARED
  52  *      [1995/01/03  19:09:31  alanl]
  53  *
  54  * Revision 1.1.2.1  1994/10/11  18:24:42  rwd
  55  *      Created.
  56  *      [1994/10/11  18:15:31  rwd]
  57  *
  58  * $EndLog$
  59  */
  60 /*
  61  * Taken from
  62  *
  63  *  Copyright (c) 1994  Wolfgang Stanglmeier, Koeln, Germany
  64  *                      <wolf@dentaro.GUN.de>
  65  */
  66
  67 #ifndef __PCI_DEVICE_H__
  68 #define __PCI_DEVICE_H__
  69
  70 /*------------------------------------------------------------
  71  *
  72  *  Per driver structure.
  73  *
  74  *------------------------------------------------------------
  75 */
  76
  77 typedef unsigned short pci_vendor_id_t;
  78 typedef unsigned short pci_dev_id_t;
  79
  80 typedef union {
  81         unsigned long cfg1;
  82         struct {
  83                  unsigned char   enable;
  84                  unsigned char   forward;
  85                  unsigned short  port;
  86                } cfg2;
  87         } pcici_t;
  88
  89 struct pci_driver {
  90     int                 (*probe )(pcici_t pci_ident);   /* test whether device
  91                                                            is present */
  92     int                 (*attach)(pcici_t pci_ident);   /* setup driver for a
  93                                                            device */
  94     pci_vendor_id_t     vendor_id;                      /* vendor pci id */
  95     pci_dev_id_t        device_id;                      /* device pci id */
  96     char                *name;                          /* device name */
  97     char                *vendor;                        /* device long name */
  98     void                (*intr)(int);                   /* interupt handler */
  99 };
 100
 101 /*-----------------------------------------------------------
 102  *
 103  *  Per device structure.
 104  *
 105  *  It is initialized by the config utility and should live in
 106  *  "ioconf.c". At the moment there is only one field.
 107  *
 108  *  This is a first attempt to include the pci bus to 386bsd.
 109  *  So this structure may grow ..
 110  *
 111  *-----------------------------------------------------------
 112 */
 113
 114 struct pci_device {
 115         struct pci_driver * pd_driver;
 116 };
 117
 118 /*-----------------------------------------------------------
 119  *
 120  *  This functions may be used by drivers to map devices
 121  *  to virtual and physical addresses. The va and pa
 122  *  addresses are "in/out" parameters. If they are 0
 123  *  on entry, the mapping function assigns an address.
 124  *
 125  *-----------------------------------------------------------
 126 */
 127
 128 int pci_map_mem(pcici_t tag,
 129                 unsigned long entry,
 130                 vm_offset_t *va,
 131                 vm_offset_t *pa);
 132 #endif /*__PCI_DEVICE_H__*/