freebsd-dev/sys/i386/pci/pci_device.h
Garrett Wollman 01b3600a69 Correct `de' device ID.
Add pd_npresent field for future loadable PCI drivers.
1994-10-01 19:47:33 +00:00

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