a6519e64cc
i386/isa/isa_device.h. This is a more appropriate location and helps restrict <machine/types.h> to only types that exist on all platforms.
113 lines
3.7 KiB
C
113 lines
3.7 KiB
C
/*-
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* Copyright (c) 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)isa_device.h 7.1 (Berkeley) 5/9/91
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* $FreeBSD$
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*/
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#ifndef _I386_ISA_ISA_DEVICE_H_
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#define _I386_ISA_ISA_DEVICE_H_
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#ifdef _KERNEL
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#include <sys/bus.h>
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#include <isa/isavar.h>
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#include "opt_compat_oldisa.h"
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#endif
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/*
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* ISA Bus Autoconfiguration
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*/
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#ifdef COMPAT_OLDISA
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/* Interrupt handler function type. */
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typedef void ointhand2_t(int _device_id);
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/*
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* Per device structure.
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*/
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struct isa_device {
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struct isa_driver *id_driver;
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int id_iobase; /* base i/o address */
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int id_iosize; /* base i/o length */
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u_int id_irq; /* interrupt request */
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int id_drq; /* DMA request */
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caddr_t id_maddr; /* physical i/o memory address on bus (if any)*/
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int id_msize; /* size of i/o memory */
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union {
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driver_intr_t *id_i;
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ointhand2_t *id_oi;
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} id_iu; /* interrupt interface routine */
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#define id_intr id_iu.id_i
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#define id_ointr id_iu.id_oi
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int id_unit; /* unit number */
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int id_flags; /* flags */
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int id_enabled; /* is device enabled */
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struct device *id_device; /* new-bus wrapper device */
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};
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/*
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* Per-driver structure.
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*
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* Each device driver defines entries for a set of routines
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* as well as an array of types which are acceptable to it.
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* These are used at boot time by the configuration program.
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*/
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struct isa_driver {
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int intrflags;
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int (*probe)(struct isa_device *idp);
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/* test whether device is present */
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int (*attach)(struct isa_device *idp);
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/* setup driver for a device */
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const char *name; /* device name */
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int sensitive_hw; /* true if other probes confuse us */
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};
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#ifdef _KERNEL
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/* Wrappers */
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struct module;
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int compat_isa_handler(struct module *, int, void *);
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#define COMPAT_ISA_DRIVER(name, isadata) \
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static moduledata_t name##_mod = { \
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#name, \
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compat_isa_handler, \
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&isadata \
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}; \
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DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_ANY) \
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#endif
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#endif /* COMPAT_OLDISA */
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#endif /* !_I386_ISA_ISA_DEVICE_H_ */
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