xref: /netbsd-src/sys/arch/hpcsh/include/intr.h (revision 267197ec1eebfcb9810ea27a89625b6ddf68e3e7)
1 /*	$NetBSD: intr.h,v 1.12 2007/12/03 15:33:45 ad Exp $	*/
2 
3 /*-
4  * Copyright (c) 2002 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 #ifndef _HPCSH_INTR_H_
37 #define _HPCSH_INTR_H_
38 
39 #include <sh3/intr.h>
40 
41 /*
42  * See sys/arch/sh3/sh3/interrupt.c
43  * This was 8 for TMU0, TMU1, TMU2, SCIF * 4, HD6446x.
44  *
45  * For now bump this to 16 so that it's possible to do experiments
46  * with new drivers without hitting this limit.
47  */
48 #define _INTR_N		16
49 
50 #define	IPL_VM		11
51 #define	IPL_SCHED	14
52 #define	IPL_HIGH	15	/* everything */
53 
54 #include <hpcsh/dev/hd6446x/hd6446xintcvar.h>
55 
56 typedef uint8_t ipl_t;
57 typedef struct {
58 	ipl_t _ipl;
59 } ipl_cookie_t;
60 
61 static inline ipl_cookie_t
62 makeiplcookie(ipl_t ipl)
63 {
64 
65 	return (ipl_cookie_t){._ipl = ipl << 4};
66 }
67 
68 static inline int
69 splraiseipl(ipl_cookie_t icookie)
70 {
71 
72 	return hd6446x_intr_raise(icookie._ipl);
73 }
74 
75 #include <sys/spl.h>
76 
77 #define	spl0()			hd6446x_intr_resume(0)
78 #define	splx(x)			hd6446x_intr_resume(x)
79 
80 #endif /* !_HPCSH_INTR_H_ */
81