summaryrefslogtreecommitdiffstats
path: root/kernel/include/soc/tegra/pm.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/include/soc/tegra/pm.h')
-rw-r--r--kernel/include/soc/tegra/pm.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/kernel/include/soc/tegra/pm.h b/kernel/include/soc/tegra/pm.h
new file mode 100644
index 000000000..03909101d
--- /dev/null
+++ b/kernel/include/soc/tegra/pm.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2014 NVIDIA Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __SOC_TEGRA_PM_H__
+#define __SOC_TEGRA_PM_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,
+};
+
+#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_ARM)
+enum tegra_suspend_mode
+tegra_pm_validate_suspend_mode(enum tegra_suspend_mode mode);
+
+/* low-level resume entry point */
+void tegra_resume(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)
+{
+}
+#endif /* CONFIG_PM_SLEEP */
+
+#endif /* __SOC_TEGRA_PM_H__ */