1 /*
2  *  arch/arm/include/asm/localtimer.h
3  *
4  *  Copyright (C) 2004-2005 ARM Ltd.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 #ifndef __ASM_ARM_LOCALTIMER_H
11 #define __ASM_ARM_LOCALTIMER_H
12 
13 #include <linux/errno.h>
14 #include <linux/interrupt.h>
15 
16 struct clock_event_device;
17 
18 /*
19  * Setup a per-cpu timer, whether it be a local timer or dummy broadcast
20  */
21 void percpu_timer_setup(void);
22 
23 #ifdef CONFIG_LOCAL_TIMERS
24 
25 #ifdef CONFIG_HAVE_ARM_TWD
26 
27 #include "smp_twd.h"
28 
29 #define local_timer_stop(c)	twd_timer_stop((c))
30 
31 #else
32 
33 /*
34  * Stop the local timer
35  */
36 void local_timer_stop(struct clock_event_device *);
37 
38 #endif
39 
40 /*
41  * Setup a local timer interrupt for a CPU.
42  */
43 int local_timer_setup(struct clock_event_device *);
44 
45 #else
46 
local_timer_setup(struct clock_event_device * evt)47 static inline int local_timer_setup(struct clock_event_device *evt)
48 {
49 	return -ENXIO;
50 }
51 
local_timer_stop(struct clock_event_device * evt)52 static inline void local_timer_stop(struct clock_event_device *evt)
53 {
54 }
55 #endif
56 
57 #endif
58