1 /*
2  * AVR32 AP Power Management.
3  *
4  * Copyright (C) 2008 Atmel Corporation
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_AVR32_ARCH_PM_H
11 #define __ASM_AVR32_ARCH_PM_H
12 
13 /* Possible arguments to the "sleep" instruction */
14 #define CPU_SLEEP_IDLE		0
15 #define CPU_SLEEP_FROZEN	1
16 #define CPU_SLEEP_STANDBY	2
17 #define CPU_SLEEP_STOP		3
18 #define CPU_SLEEP_STATIC	5
19 
20 #ifndef __ASSEMBLY__
21 extern void cpu_enter_idle(void);
22 extern void cpu_enter_standby(unsigned long sdramc_base);
23 
24 extern bool disable_idle_sleep;
25 
cpu_disable_idle_sleep(void)26 static inline void cpu_disable_idle_sleep(void)
27 {
28 	disable_idle_sleep = true;
29 }
30 
cpu_enable_idle_sleep(void)31 static inline void cpu_enable_idle_sleep(void)
32 {
33 	disable_idle_sleep = false;
34 }
35 
cpu_idle_sleep(void)36 static inline void cpu_idle_sleep(void)
37 {
38 	/*
39 	 * If we're using the COUNT and COMPARE registers for
40 	 * timekeeping, we can't use the IDLE state.
41 	 */
42 	if (disable_idle_sleep)
43 		cpu_relax();
44 	else
45 		cpu_enter_idle();
46 }
47 
48 void intc_set_suspend_handler(unsigned long offset);
49 #endif
50 
51 #endif /* __ASM_AVR32_ARCH_PM_H */
52