Home | History | Annotate | Line # | Download | only in playstation2 
      1 /*	$NetBSD: interrupt.h,v 1.7 2016/04/03 10:03:34 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/evcnt.h>
     30 
     31 enum ipl_type {
     32 	IPL_INTC,
     33 	IPL_DMAC,
     34 };
     35 
     36 struct _ipl_dispatcher {
     37 	int (*func)(void *);
     38 	void *arg;
     39 	int ipl;
     40 	int channel;
     41 	int bit;
     42 	SLIST_ENTRY(_ipl_dispatcher) link;
     43 };
     44 
     45 struct _ipl_holder {
     46 	u_int32_t mask;
     47 };
     48 
     49 struct _playstation2_evcnt {
     50 	struct evcnt clock, sbus, dmac;
     51 };
     52 extern struct _playstation2_evcnt  _playstation2_evcnt;
     53 extern struct clockframe playstation2_clockframe;
     54 
     55 void interrupt_init_bootstrap(void);
     56 void interrupt_init(void);
     57 void softintr_dispatch(int);
     58 
     59 /* for SIF BIOS */
     60 void _sif_call_start(void);
     61 void _sif_call_end(void);
     62 
     63 /* SPL */
     64 void md_ipl_register(enum ipl_type, struct _ipl_holder *);
     65 void md_imask_update(void);
     66