799e5f277f
New version with improved support for WIDE SCSI using the NCR 53c825. Test for buggy secondary cache implementations. PCI Int to IRQ mapping now specified per slot.
110 lines
3.9 KiB
C
110 lines
3.9 KiB
C
/**************************************************************************
|
||
**
|
||
** $Id: pci_device.h,v 2.1 94/09/16 08:01:36 wolf Rel $
|
||
**
|
||
** #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;
|
||
};
|
||
|
||
#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__*/
|