FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/hpetreg.h
1 /* $NetBSD: hpetreg.h,v 1.4 2011/10/31 12:47:15 yamt Exp $ */
2
3 /*
4 * Copyright (c) 2006 Nicolas Joly
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. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #ifndef _DEV_IC_HPETREG_H_
32 #define _DEV_IC_HPETREG_H_
33
34 #define HPET_WINDOW_SIZE 0x400
35
36 #define HPET_INFO 0x00
37 #define HPET_INFO_64BITS 0x2000
38 #define HPET_PERIOD 0x04
39 #define HPET_PERIOD_MAX 100000000
40 #define HPET_CONFIG 0x10
41 #define HPET_CONFIG_ENABLE 0x0001
42 #define HPET_CONFIG_LEGRTCNF 0x0002
43 #define HPET_MCOUNT_LO 0xf0
44 #define HPET_MCOUNT_HI 0xf4
45 #define HPET_INT_STATUS 0x20
46 #define HPET_INT_STS_TIMER0 0x00000001
47 #define HPET_INT_STS_TIMER1 0x00000002
48 #define HPET_INT_STS_TIMER2 0x00000004
49
50 #define HPET_TIMER_USE_LEVEL_INTR 0x00000002
51 #define HPET_TIMER_ENABLE_INTR 0x00000004
52 #define HPET_TIMER_IS_PERIODIC_INTR 0x00000008
53 #define HPET_TIMER_HAS_PERIODIC_INTR 0x00000010
54 #define HPET_TIMER_INTR_SHIFT 9
55
56 #define HPET_TIMER0_CONFIG 0x0100
57 #define HPET_TIMER0_INTCAP 0x0104
58 #define HPET_TIMER0_CMPREG_LO 0x0108
59 #define HPET_TIMER0_CMPREG_HI 0x010C
60
61 #define HPET_TIMER1_CONFIG 0x0120
62 #define HPET_TIMER1_INTCAP 0x0124
63 #define HPET_TIMER1_CMPREG_LO 0x0128
64 #define HPET_TIMER1_CMPREG_HI 0x012C
65
66 #define HPET_TIMER2_CONFIG 0x0140
67 #define HPET_TIMER2_INTCAP 0x0144
68 #define HPET_TIMER2_CMPREG_LO 0x0148
69 #define HPET_TIMER2_CMPREG_HI 0x014C
70
71 #endif /* _DEV_IC_HPETREG_H_ */
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