1/* $OpenBSD: cpu.h,v 1.15 2022/10/21 22:42:36 gkoehler Exp $ */
2/* $NetBSD: cpu.h,v 1.1 1996/09/30 16:34:21 ws Exp $ */
3
4/*
5 * Copyright (C) 1995, 1996 Wolfgang Solfrank.
6 * Copyright (C) 1995, 1996 TooLs GmbH.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by TooLs GmbH.
20 * 4. The name of TooLs GmbH may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
28 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
29 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
31 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
32 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34#ifndef _MACHINE_CPU_H_
35#define _MACHINE_CPU_H_
36
37/*
38 * CTL_MACHDEP definitions.
39 */
40#define CPU_ALLOWAPERTURE 1 /* allow mmap of /dev/xf86 */
41#define CPU_ALTIVEC 2 /* altivec is present */
42#define CPU_LIDACTION 3 /* action caused by lid close */
43#define CPU_PWRACTION 4 /* action caused by power button */
44#define CPU_MAXID 5 /* number of valid machdep ids */
45
46#define CTL_MACHDEP_NAMES { \
47 { 0, 0 }, \
48 { "allowaperture", CTLTYPE_INT }, \
49 { "altivec", CTLTYPE_INT }, \
50 { "lidaction", CTLTYPE_INT }, \
51 { "pwraction", CTLTYPE_INT }, \
52}
53
54#ifdef _KERNEL
55
56#include <powerpc/cpu.h>
57
58/* Frequency scaling */
59#define FREQ_FULL 0
60#define FREQ_HALF 1
61#define FREQ_QUARTER 2 /* Supported only on IBM 970MP */
62
63extern u_int32_t ppc_curfreq;
64extern u_int32_t ppc_maxfreq;
65extern int ppc_altivec;
66
67extern void (*ppc64_slew_voltage)(u_int);
68
69extern u_int32_t ticks_per_sec;
70extern u_int32_t ns_per_tick;
71
72extern int lid_action;
73extern int pwr_action;
74
75#endif /* _KERNEL */
76#endif /* _MACHINE_CPU_H_ */