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      1  1.9   rafal /*	$NetBSD: irqhandler.h,v 1.9 2008/06/13 13:24:10 rafal Exp $	*/
      2  1.1  ichiro 
      3  1.1  ichiro /*
      4  1.1  ichiro  * Copyright (c) 1994-1996 Mark Brinicombe.
      5  1.1  ichiro  * Copyright (c) 1994 Brini.
      6  1.1  ichiro  * All rights reserved.
      7  1.1  ichiro  *
      8  1.1  ichiro  * This code is derived from software written for Brini by Mark Brinicombe
      9  1.1  ichiro  *
     10  1.1  ichiro  * Redistribution and use in source and binary forms, with or without
     11  1.1  ichiro  * modification, are permitted provided that the following conditions
     12  1.1  ichiro  * are met:
     13  1.1  ichiro  * 1. Redistributions of source code must retain the above copyright
     14  1.1  ichiro  *    notice, this list of conditions and the following disclaimer.
     15  1.1  ichiro  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1  ichiro  *    notice, this list of conditions and the following disclaimer in the
     17  1.1  ichiro  *    documentation and/or other materials provided with the distribution.
     18  1.1  ichiro  * 3. All advertising materials mentioning features or use of this software
     19  1.1  ichiro  *    must display the following acknowledgement:
     20  1.1  ichiro  *	This product includes software developed by Mark Brinicombe
     21  1.1  ichiro  *	for the NetBSD Project.
     22  1.1  ichiro  * 4. The name of the company nor the name of the author may be used to
     23  1.1  ichiro  *    endorse or promote products derived from this software without specific
     24  1.1  ichiro  *    prior written permission.
     25  1.1  ichiro  *
     26  1.1  ichiro  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     27  1.1  ichiro  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     28  1.1  ichiro  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     29  1.1  ichiro  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     30  1.1  ichiro  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     31  1.1  ichiro  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     32  1.1  ichiro  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  1.1  ichiro  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  1.1  ichiro  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  1.1  ichiro  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  1.1  ichiro  * SUCH DAMAGE.
     37  1.1  ichiro  *
     38  1.1  ichiro  * IRQ related stuff (defines + structures)
     39  1.1  ichiro  *
     40  1.1  ichiro  * Created      : 30/09/94
     41  1.1  ichiro  */
     42  1.1  ichiro 
     43  1.2  toshii #ifndef _HPCARM_IRQHANDLER_H_
     44  1.2  toshii #define _HPCARM_IRQHANDLER_H_
     45  1.1  ichiro 
     46  1.1  ichiro #ifndef _LOCORE
     47  1.1  ichiro #include <sys/types.h>
     48  1.1  ichiro #endif /* _LOCORE */
     49  1.1  ichiro 
     50  1.1  ichiro /* Define the IRQ bits */
     51  1.1  ichiro 
     52  1.1  ichiro #define IRQ_VSYNC	IRQ_FLYBACK	/* Aliased */
     53  1.1  ichiro #define IRQ_NETSLOT	IRQ_EXTENDED
     54  1.1  ichiro 
     55  1.1  ichiro #define IRQ_INSTRUCT	-1
     56  1.1  ichiro /* XXX ICU_LEN is used for the same purpose. Either one should be nuked */
     57  1.1  ichiro #define NIRQS		0x20
     58  1.1  ichiro 
     59  1.1  ichiro #include <machine/intr.h>
     60  1.1  ichiro 
     61  1.1  ichiro #ifndef _LOCORE
     62  1.1  ichiro typedef struct irqhandler {
     63  1.6   peter 	int (*ih_func)(void *);		/* handler function */
     64  1.1  ichiro 	void *ih_arg;			/* Argument to handler */
     65  1.1  ichiro 	int ih_level;			/* Interrupt level */
     66  1.1  ichiro 	int ih_count;			/* Interrupt number (for accounting) */
     67  1.1  ichiro 	int ih_irq;			/* Interrupt register pin */
     68  1.1  ichiro 	const char *ih_name;		/* Name of interrupt (for vmstat -i) */
     69  1.1  ichiro 	u_int ih_flags;			/* Interrupt flags */
     70  1.1  ichiro 	u_int ih_maskaddr;		/* mask address for expansion cards */
     71  1.1  ichiro 	u_int ih_maskbits;		/* interrupt bit for expansion cards */
     72  1.1  ichiro 	struct irqhandler *ih_next;	/* next handler */
     73  1.1  ichiro } irqhandler_t;
     74  1.1  ichiro 
     75  1.1  ichiro #ifdef _KERNEL
     76  1.9   rafal extern u_int irqmasks[NIPL];
     77  1.1  ichiro extern irqhandler_t *irqhandlers[NIRQS];
     78  1.1  ichiro 
     79  1.6   peter void irq_init(void);
     80  1.6   peter void irq_setmasks(void);
     81  1.6   peter void disable_irq(int);
     82  1.6   peter void enable_irq(int);
     83  1.1  ichiro #endif	/* _KERNEL */
     84  1.1  ichiro #endif	/* _LOCORE */
     85  1.1  ichiro 
     86  1.1  ichiro #define IRQ_FLAG_ACTIVE 0x00000001	/* This is the active handler in list */
     87  1.1  ichiro 
     88  1.2  toshii #endif	/* _HPCARM_IRQHANDLER_H_ */
     89  1.1  ichiro 
     90  1.1  ichiro /* End of irqhandler.h */
     91