1 /*	$NetBSD: interrupt.h,v 1.1 2001/10/16 15:38:54 uch 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  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *        This product includes software developed by the NetBSD
18  *        Foundation, Inc. and its contributors.
19  * 4. Neither the name of The NetBSD Foundation nor the names of its
20  *    contributors may be used to endorse or promote products derived
21  *    from this software without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33  * POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 enum ipl_type {
37 	IPL_INTC,
38 	IPL_DMAC,
39 };
40 
41 struct _ipl_dispatcher {
42 	int (*func)(void *);
43 	void *arg;
44 	int ipl;
45 	int channel;
46 	int bit;
47 	SLIST_ENTRY(_ipl_dispatcher) link;
48 };
49 
50 struct _ipl_holder {
51 	u_int32_t mask;
52 };
53 
54 struct _playstation2_evcnt {
55 	struct evcnt clock, sbus, dmac;
56 };
57 extern struct _playstation2_evcnt  _playstation2_evcnt;
58 extern struct clockframe playstation2_clockframe;
59 
60 void interrupt_init_bootstrap(void);
61 void interrupt_init(void);
62 void softintr_dispatch(int);
63 
64 /* for SIF BIOS */
65 void _sif_call_start(void);
66 void _sif_call_end(void);
67 
68 /* SPL */
69 void md_ipl_register(enum ipl_type, struct _ipl_holder *);
70 __inline__ void md_imask_update(void);
71