bsd/dev/i386/pci_device.h

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