include/soc/tegra/pm.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) 2014 NVIDIA Corporation
   4  */
   5
   6 #ifndef __SOC_TEGRA_PM_H__
   7 #define __SOC_TEGRA_PM_H__
   8
   9 enum tegra_suspend_mode {
  10         TEGRA_SUSPEND_NONE = 0,
  11         TEGRA_SUSPEND_LP2, /* CPU voltage off */
  12         TEGRA_SUSPEND_LP1, /* CPU voltage off, DRAM self-refresh */
  13         TEGRA_SUSPEND_LP0, /* CPU + core voltage off, DRAM self-refresh */
  14         TEGRA_MAX_SUSPEND_MODE,
  15 };
  16
  17 #if defined(CONFIG_PM_SLEEP) && defined(CONFIG_ARM)
  18 enum tegra_suspend_mode
  19 tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode);
  20
  21 /* low-level resume entry point */
  22 void tegra_resume(void);
  23 #else
  24 static inline enum tegra_suspend_mode
  25 tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode)
  26 {
  27         return TEGRA_SUSPEND_NONE;
  28 }
  29
  30 static inline void tegra_resume(void)
  31 {
  32 }
  33 #endif /* CONFIG_PM_SLEEP */
  34
  35 #endif /* __SOC_TEGRA_PM_H__ */