1 /*
2  * Copyright (C) 2014 NVIDIA Corporation
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation.
7  */
8 
9 #ifndef __SOC_TEGRA_PM_H__
10 #define __SOC_TEGRA_PM_H__
11 
12 enum tegra_suspend_mode {
13 	TEGRA_SUSPEND_NONE = 0,
14 	TEGRA_SUSPEND_LP2, /* CPU voltage off */
15 	TEGRA_SUSPEND_LP1, /* CPU voltage off, DRAM self-refresh */
16 	TEGRA_SUSPEND_LP0, /* CPU + core voltage off, DRAM self-refresh */
17 	TEGRA_MAX_SUSPEND_MODE,
18 };
19 
20 #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_ARM)
21 enum tegra_suspend_mode
22 tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode);
23 
24 /* low-level resume entry point */
25 void tegra_resume(void);
26 #else
27 static inline enum tegra_suspend_mode
tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode)28 tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode)
29 {
30 	return TEGRA_SUSPEND_NONE;
31 }
32 
tegra_resume(void)33 static inline void tegra_resume(void)
34 {
35 }
36 #endif /* CONFIG_PM_SLEEP */
37 
38 #endif /* __SOC_TEGRA_PM_H__ */
39