summaryrefslogtreecommitdiffstats
path: root/arch/avr32/mach-at32ap/include/mach/pm.h
blob: 979b355b77b652c3946d0e22db820c4d3dd142cd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
/*
 * AVR32 AP Power Management.
 *
 * Copyright (C) 2008 Atmel Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef __ASM_AVR32_ARCH_PM_H
#define __ASM_AVR32_ARCH_PM_H

/* Possible arguments to the "sleep" instruction */
#define CPU_SLEEP_IDLE		0
#define CPU_SLEEP_FROZEN	1
#define CPU_SLEEP_STANDBY	2
#define CPU_SLEEP_STOP		3
#define CPU_SLEEP_STATIC	5

#ifndef __ASSEMBLY__
extern void cpu_enter_idle(void);
extern void cpu_enter_standby(unsigned long sdramc_base);

extern bool disable_idle_sleep;

static inline void cpu_disable_idle_sleep(void)
{
	disable_idle_sleep = true;
}

static inline void cpu_enable_idle_sleep(void)
{
	disable_idle_sleep = false;
}

static inline void cpu_idle_sleep(void)
{
	/*
	 * If we're using the COUNT and COMPARE registers for
	 * timekeeping, we can't use the IDLE state.
	 */
	if (disable_idle_sleep)
		cpu_relax();
	else
		cpu_enter_idle();
}

void intc_set_suspend_handler(unsigned long offset);
#endif

#endif /* __ASM_AVR32_ARCH_PM_H */
OpenPOWER on IntegriCloud