1/*
2 * Copyright (c) 2007 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/*
29 * @OSF_COPYRIGHT@
30 */
31/*
32 * @APPLE_FREE_COPYRIGHT@
33 */
34
35#ifndef _ARM_RTCLOCK_H_
36#define _ARM_RTCLOCK_H_
37
38#include <mach/boolean.h>
39#include <mach/mach_types.h>
40#include <mach/mach_time.h>
41#include <arm/machine_routines.h>
42
43#define EndOfAllTime 0xFFFFFFFFFFFFFFFFULL
44#define DECREMENTER_MAX 0x7FFFFFFFUL
45#define DECREMENTER_MIN 0xAUL
46
47typedef struct _rtclock_data_ {
48 uint32_t rtc_sec_divisor;
49 uint32_t rtc_usec_divisor;
50 mach_timebase_info_data_t rtc_timebase_const;
51 union {
52 uint64_t abstime;
53 struct {
54 uint32_t low;
55 uint32_t high;
56 } abstime_val;
57 } rtc_base;
58 union {
59 uint64_t abstime;
60 struct {
61 uint32_t low;
62 uint32_t high;
63 } abstime_val;
64 } rtc_adj;
65 tbd_ops_data_t rtc_timebase_func;
66
67 /* Only needed for AIC manipulation */
68 vm_offset_t rtc_timebase_addr;
69 vm_offset_t rtc_timebase_val;
70} rtclock_data_t;
71
72extern rtclock_data_t RTClockData;
73#define rtclock_sec_divisor RTClockData.rtc_sec_divisor
74#define rtclock_usec_divisor RTClockData.rtc_usec_divisor
75#define rtclock_timebase_const RTClockData.rtc_timebase_const
76#define rtclock_base_abstime RTClockData.rtc_base.abstime
77#define rtclock_base_abstime_low RTClockData.rtc_base.abstime_val.low
78#define rtclock_base_abstime_high RTClockData.rtc_base.abstime_val.high
79#define rtclock_adj_abstime RTClockData.rtc_adj.abstime
80#define rtclock_adj_abstime_low RTClockData.rtc_adj.abstime_val.low
81#define rtclock_adj_abstime_high RTClockData.rtc_adj.abstime_val.high
82#define rtclock_timebase_func RTClockData.rtc_timebase_func
83
84/* Only needed for AIC manipulation */
85#define rtclock_timebase_addr RTClockData.rtc_timebase_addr
86#define rtclock_timebase_val RTClockData.rtc_timebase_val
87
88extern uint64_t arm_timer_slop_max;
89
90extern void rtclock_intr(unsigned int);
91extern boolean_t SetIdlePop(void);
92
93extern void ClearIdlePop(boolean_t);
94extern void rtclock_early_init(void);
95
96#endif /* _ARM_RTCLOCK_H_ */
97