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111 lines
3.9 KiB
C
111 lines
3.9 KiB
C
/**************************************************************************
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**
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** $Id: pci_device.h,v 1.5 1994/09/28 16:34:10 se Exp $
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**
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** #define for pci based device drivers
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**
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** 386bsd / FreeBSD
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**
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**-------------------------------------------------------------------------
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**
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** Copyright (c) 1994 Wolfgang Stanglmeier. All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**
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**-------------------------------------------------------------------------
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*/
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#ifndef __PCI_DEVICE_H__
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#define __PCI_DEVICE_H__
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/*------------------------------------------------------------
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**
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** Per driver structure.
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**
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**------------------------------------------------------------
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*/
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struct pci_driver {
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int (*probe )(pcici_t pci_ident); /* test whether device is present */
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int (*attach)(pcici_t pci_ident); /* setup driver for a device */
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pcidi_t device_id; /* device pci id */
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char *name; /* device (long) name */
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int (*intr)(int); /* interupt handler */
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};
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/*-----------------------------------------------------------
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**
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** Per device structure.
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**
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** It is initialized by the config utility and should live in
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** "ioconf.c". At the moment there is only one field.
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**
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** This is a first attempt to include the pci bus to 386bsd.
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** So this structure may grow ..
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**
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** Extended by Garrett Wollman <wollman@halloran-eldar.lcs.mit.edu>
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** for future loadable drivers .
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**
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**-----------------------------------------------------------
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*/
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struct pci_device {
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struct
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pci_driver* pd_driver;
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pcidi_t pd_device_id; /* device pci id */
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const char * pd_name; /* for future loadable drivers */
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int pd_flags;
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int pd_npresent; /* for future loadable drivers */
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};
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#define PDF_LOADABLE 0x01
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#define PDF_COVERED 0x02
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/*-----------------------------------------------------------
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**
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** This table should be generated in file "ioconf.c"
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** by the config program.
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** It is used at boot time by the configuration function
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** pci_configure()
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**
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**-----------------------------------------------------------
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*/
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extern struct pci_device pci_devtab[];
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/*-----------------------------------------------------------
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**
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** This functions may be used by drivers to map devices
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** to virtual and physical addresses. The va and pa
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** addresses are "in/out" parameters. If they are 0
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** on entry, the mapping function assigns an address.
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**
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**-----------------------------------------------------------
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*/
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int pci_map_mem (pcici_t tag, u_long entry, u_long * va, u_long * pa);
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int pci_map_port(pcici_t tag, u_long entry, u_short * pa);
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#endif /*__PCI_DEVICE_H__*/
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