1/*
2 * Copyright (C) 2014 Imagination Technologies
3 * Author: Paul Burton <paul.burton@imgtec.com>
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation;  either version 2 of the  License, or (at your
8 * option) any later version.
9 */
10
11#ifndef __ASM_MIPS_MACH_MALTA_PM_H__
12#define __ASM_MIPS_MACH_MALTA_PM_H__
13
14#include <asm/mips-boards/piix4.h>
15
16#ifdef CONFIG_MIPS_MALTA_PM
17
18/**
19 * mips_pm_suspend - enter a suspend state
20 * @state: the state to enter, one of PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_*
21 *
22 * Enters a suspend state via the Malta's PIIX4. If the state to be entered
23 * is one which loses context (eg. SOFF) then this function will never
24 * return.
25 */
26extern int mips_pm_suspend(unsigned state);
27
28#else /* !CONFIG_MIPS_MALTA_PM */
29
30static inline int mips_pm_suspend(unsigned state)
31{
32	return -EINVAL;
33}
34
35#endif /* !CONFIG_MIPS_MALTA_PM */
36
37#endif /* __ASM_MIPS_MACH_MALTA_PM_H__ */
38