NetBSD/sys/arch/alpha/isa/isa_intr.h

55 lines
1.7 KiB
C

/* $NetBSD: isa_intr.h,v 1.1 1995/06/28 01:24:57 cgd Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
/* Prototypes for ISA-ish I/O interrupt functions. */
/*
* XXX
* XXX THIS WILL LIKELY HAVE TO BE COMPLETELY CHANGED.
* XXX
*/
struct isa_intr_fcns {
void (*isa_intr_setup) __P((void));
void *(*isa_intr_establish) __P((int irq, isa_intrtype type,
isa_intrlevel level, int (*ih_fun)(void *), void *ih_arg));
void (*isa_intr_disestablish) __P((void *handler));
void (*isa_iointr) __P((void *framep, int vec));
};
/*
* Global which tells which set of functions are correct
* for this machine.
*/
struct isa_intr_fcns *isa_intr_fcns;
struct isa_intr_fcns sio_intr_fcns; /* SIO ISA ICU handling */