[mirror_ubuntu-kernels.git] / arch / mips / include / asm / mach-malta / malta-pm.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2014 Imagination Technologies
 * Author: Paul Burton <paul.burton@mips.com>
 */

#ifndef __ASM_MIPS_MACH_MALTA_PM_H__
#define __ASM_MIPS_MACH_MALTA_PM_H__

#include <asm/mips-boards/piix4.h>

#ifdef CONFIG_MIPS_MALTA_PM

/**
 * mips_pm_suspend - enter a suspend state
 * @state: the state to enter, one of PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_*
 *
 * Enters a suspend state via the Malta's PIIX4. If the state to be entered
 * is one which loses context (eg. SOFF) then this function will never
 * return.
 */
extern int mips_pm_suspend(unsigned state);

#else /* !CONFIG_MIPS_MALTA_PM */

static inline int mips_pm_suspend(unsigned state)
{
	return -EINVAL;
}

#endif /* !CONFIG_MIPS_MALTA_PM */

#endif /* __ASM_MIPS_MACH_MALTA_PM_H__ */
Commit	Line	Data
2874c5fd	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
b6911bba PB	2	/*
b6911bba PB	3	* Copyright (C) 2014 Imagination Technologies
fb615d61	4	* Author: Paul Burton <paul.burton@mips.com>
b6911bba PB	5	*/
	6
	7	#ifndef __ASM_MIPS_MACH_MALTA_PM_H__
	8	#define __ASM_MIPS_MACH_MALTA_PM_H__
	9
	10	#include <asm/mips-boards/piix4.h>
	11
	12	#ifdef CONFIG_MIPS_MALTA_PM
	13
	14	/**
	15	* mips_pm_suspend - enter a suspend state
	16	* @state: the state to enter, one of PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_*
	17	*
	18	* Enters a suspend state via the Malta's PIIX4. If the state to be entered
	19	* is one which loses context (eg. SOFF) then this function will never
	20	* return.
	21	*/
	22	extern int mips_pm_suspend(unsigned state);
	23
	24	#else /* !CONFIG_MIPS_MALTA_PM */
	25
	26	static inline int mips_pm_suspend(unsigned state)
	27	{
	28	return -EINVAL;
	29	}
	30
	31	#endif /* !CONFIG_MIPS_MALTA_PM */
	32
	33	#endif /* __ASM_MIPS_MACH_MALTA_PM_H__ */