mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-12-04 21:09:28 +00:00
111 lines
3.9 KiB
C
111 lines
3.9 KiB
C
/**************************************************************************
|
||
**
|
||
** $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__*/
|