100 lines
3.5 KiB
C
100 lines
3.5 KiB
C
/* $NetBSD: irqhandler.h,v 1.1 2002/01/30 03:59:41 thorpej Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1994-1996 Mark Brinicombe.
|
|
* Copyright (c) 1994 Brini.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software written for Brini by Mark Brinicombe
|
|
*
|
|
* 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 Mark Brinicombe
|
|
* for the NetBSD Project.
|
|
* 4. The name of the company nor the name of the author may 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 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.
|
|
*
|
|
* IRQ related stuff (defines + structures)
|
|
*
|
|
* Created : 30/09/94
|
|
*/
|
|
|
|
/*
|
|
* XXX This allows the Integrator code to continue using the old
|
|
* XXX arm32 interrupt code. Eventually, Integrator should be
|
|
* XXX changed to use something more like what the IQ80310 code
|
|
* XXX uses.
|
|
*/
|
|
|
|
#ifndef _ARM32_IRQHANDLER_H_
|
|
#define _ARM32_IRQHANDLER_H_
|
|
|
|
#if defined(_KERNEL) && !defined(_LKM)
|
|
#include "opt_cputypes.h"
|
|
#endif
|
|
|
|
#ifndef _LOCORE
|
|
#include <sys/types.h>
|
|
#endif /* _LOCORE */
|
|
|
|
#define IRQ_INSTRUCT -1
|
|
#define NIRQS 0x20
|
|
|
|
#ifndef _LOCORE
|
|
typedef struct irqhandler {
|
|
int (*ih_func) __P((void *arg));/* handler function */
|
|
void *ih_arg; /* Argument to handler */
|
|
int ih_level; /* Interrupt level */
|
|
int ih_num; /* Interrupt number (for accounting) */
|
|
const char *ih_name; /* Name of interrupt (for vmstat -i) */
|
|
u_int ih_flags; /* Interrupt flags */
|
|
u_int ih_maskaddr; /* mask address for expansion cards */
|
|
u_int ih_maskbits; /* interrupt bit for expansion cards */
|
|
struct irqhandler *ih_next; /* next handler */
|
|
} irqhandler_t;
|
|
|
|
#include <machine/intr.h>
|
|
|
|
#ifdef _KERNEL
|
|
extern u_int irqmasks[NIPL];
|
|
extern irqhandler_t *irqhandlers[NIRQS];
|
|
|
|
void irq_init __P((void));
|
|
void irq_postinit __P((void));
|
|
int irq_claim __P((int, irqhandler_t *));
|
|
int irq_release __P((int, irqhandler_t *));
|
|
void *intr_claim __P((int irq, int level, const char *name, int (*func) __P((void *)), void *arg));
|
|
int intr_release __P((void *ih));
|
|
void irq_setmasks __P((void));
|
|
void disable_irq __P((int));
|
|
void enable_irq __P((int));
|
|
#endif /* _KERNEL */
|
|
#endif /* _LOCORE */
|
|
|
|
#define IRQ_FLAG_ACTIVE 0x00000001 /* This is the active handler in list */
|
|
|
|
#endif /* _ARM32_IRQHANDLER_H_ */
|
|
|
|
/* End of irqhandler.h */
|