include/soc/tegra/pm.h

   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
  28 tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode)
  29 {
  30         return TEGRA_SUSPEND_NONE;
  31 }
  32
  33 static inline void tegra_resume(void)
  34 {
  35 }
  36 #endif /* CONFIG_PM_SLEEP */
  37
  38 #endif /* __SOC_TEGRA_PM_H__ */