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-rw-r--r--include/asm-avr32/arch-at32ap/pm.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/include/asm-avr32/arch-at32ap/pm.h b/include/asm-avr32/arch-at32ap/pm.h
new file mode 100644
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+++ b/include/asm-avr32/arch-at32ap/pm.h
@@ -0,0 +1,48 @@
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__
21extern void cpu_enter_idle(void);
22
23extern bool disable_idle_sleep;
24
25static inline void cpu_disable_idle_sleep(void)
26{
27 disable_idle_sleep = true;
28}
29
30static inline void cpu_enable_idle_sleep(void)
31{
32 disable_idle_sleep = false;
33}
34
35static inline void cpu_idle_sleep(void)
36{
37 /*
38 * If we're using the COUNT and COMPARE registers for
39 * timekeeping, we can't use the IDLE state.
40 */
41 if (disable_idle_sleep)
42 cpu_relax();
43 else
44 cpu_enter_idle();
45}
46#endif
47
48#endif /* __ASM_AVR32_ARCH_PM_H */