freebsd-dev/sys/i386/isa/isa_device.h
1993-06-12 14:58:17 +00:00

86 lines
3.4 KiB
C

/*-
* Copyright (c) 1991 The Regents of the University of California.
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* @(#)isa_device.h 7.1 (Berkeley) 5/9/91
*
* PATCHES MAGIC LEVEL PATCH THAT GOT US HERE
* -------------------- ----- ----------------------
* CURRENT PATCH LEVEL: 2 00163
* -------------------- ----- ----------------------
*
* 27 Feb 93 Chris Demetriou Add proper flag handling.
* 10 Mar 93 Rodney W. Grimes Fixed isa_device->id_irq to be
* the u_short instead of short. This
* enables us to use irq15!
* 27 May 93 Guido van Rooij Add prototype find_isadev()
*
*/
/*
* ISA Bus Autoconfiguration
*/
/*
* Per device structure.
*/
struct isa_device {
struct isa_driver *id_driver;
short id_iobase; /* base i/o address */
u_short id_irq; /* interrupt request */
short id_drq; /* DMA request */
caddr_t id_maddr; /* physical i/o memory address on bus (if any)*/
int id_msize; /* size of i/o memory */
int (*id_intr)(); /* interrupt interface routine */
int id_unit; /* unit number */
int id_flags; /* flags */
int id_scsiid; /* scsi id if needed */
int id_alive; /* device is present */
};
/*
* Per-driver structure.
*
* Each device driver defines entries for a set of routines
* as well as an array of types which are acceptable to it.
* These are used at boot time by the configuration program.
*/
struct isa_driver {
int (*probe)(); /* test whether device is present */
int (*attach)(); /* setup driver for a device */
char *name; /* device name */
};
extern struct isa_device isa_devtab_bio[], isa_devtab_tty[], isa_devtab_net[],
isa_devtab_null[];
extern struct isa_device *find_isadev(/* table, driver, unit*/);