freebsd-dev/sys/i386/isa/isa_device.h

110 lines
3.7 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.
*
* from: @(#)isa_device.h 7.1 (Berkeley) 5/9/91
* $FreeBSD$
*/
#ifndef _I386_ISA_ISA_DEVICE_H_
#define _I386_ISA_ISA_DEVICE_H_
#ifdef _KERNEL
#include <sys/bus.h>
#include <isa/isavar.h>
#include "opt_compat_oldisa.h"
#endif
/*
* ISA Bus Autoconfiguration
*/
#ifdef COMPAT_OLDISA
/*
* Per device structure.
*/
struct isa_device {
struct isa_driver *id_driver;
int id_iobase; /* base i/o address */
int id_iosize; /* base i/o length */
u_int id_irq; /* interrupt request */
int 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 */
union {
inthand2_t *id_i;
ointhand2_t *id_oi;
} id_iu; /* interrupt interface routine */
#define id_intr id_iu.id_i
#define id_ointr id_iu.id_oi
int id_unit; /* unit number */
int id_flags; /* flags */
int id_enabled; /* is device enabled */
struct isa_device *id_next; /* used in isa_devlist in userconfig() */
struct device *id_device; /* new-bus wrapper device */
};
/*
* 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 intrflags;
int (*probe)(struct isa_device *idp);
/* test whether device is present */
int (*attach)(struct isa_device *idp);
/* setup driver for a device */
char *name; /* device name */
int sensitive_hw; /* true if other probes confuse us */
};
#ifdef _KERNEL
/* Wrappers */
struct module;
int compat_isa_handler(struct module *, int, void *);
#define COMPAT_ISA_DRIVER(name, isadata) \
static moduledata_t name##_mod = { \
#name, \
compat_isa_handler, \
&isadata \
}; \
DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_ANY) \
#endif
#endif /* COMPAT_OLDISA */
#endif /* !_I386_ISA_ISA_DEVICE_H_ */