73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2014 NVIDIA Corporation
|
|
*/
|
|
|
|
#ifndef __SOC_TEGRA_PM_H__
|
|
#define __SOC_TEGRA_PM_H__
|
|
|
|
#include <linux/errno.h>
|
|
|
|
enum tegra_suspend_mode {
|
|
TEGRA_SUSPEND_NONE = 0,
|
|
TEGRA_SUSPEND_LP2, /* CPU voltage off */
|
|
TEGRA_SUSPEND_LP1, /* CPU voltage off, DRAM self-refresh */
|
|
TEGRA_SUSPEND_LP0, /* CPU + core voltage off, DRAM self-refresh */
|
|
TEGRA_MAX_SUSPEND_MODE,
|
|
TEGRA_SUSPEND_NOT_READY,
|
|
};
|
|
|
|
#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_ARM) && defined(CONFIG_ARCH_TEGRA)
|
|
enum tegra_suspend_mode
|
|
tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode);
|
|
|
|
/* low-level resume entry point */
|
|
void tegra_resume(void);
|
|
|
|
int tegra30_pm_secondary_cpu_suspend(unsigned long arg);
|
|
void tegra_pm_clear_cpu_in_lp2(void);
|
|
void tegra_pm_set_cpu_in_lp2(void);
|
|
int tegra_pm_enter_lp2(void);
|
|
int tegra_pm_park_secondary_cpu(unsigned long cpu);
|
|
void tegra_pm_init_suspend(void);
|
|
#else
|
|
static inline enum tegra_suspend_mode
|
|
tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode)
|
|
{
|
|
return TEGRA_SUSPEND_NONE;
|
|
}
|
|
|
|
static inline void tegra_resume(void)
|
|
{
|
|
}
|
|
|
|
static inline int tegra30_pm_secondary_cpu_suspend(unsigned long arg)
|
|
{
|
|
return -ENOTSUPP;
|
|
}
|
|
|
|
static inline void tegra_pm_clear_cpu_in_lp2(void)
|
|
{
|
|
}
|
|
|
|
static inline void tegra_pm_set_cpu_in_lp2(void)
|
|
{
|
|
}
|
|
|
|
static inline int tegra_pm_enter_lp2(void)
|
|
{
|
|
return -ENOTSUPP;
|
|
}
|
|
|
|
static inline int tegra_pm_park_secondary_cpu(unsigned long cpu)
|
|
{
|
|
return -ENOTSUPP;
|
|
}
|
|
|
|
static inline void tegra_pm_init_suspend(void)
|
|
{
|
|
}
|
|
#endif /* CONFIG_PM_SLEEP */
|
|
|
|
#endif /* __SOC_TEGRA_PM_H__ */
|