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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /include/soc/tegra/pm.h | |
parent | Initial commit. (diff) | |
download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/soc/tegra/pm.h')
-rw-r--r-- | include/soc/tegra/pm.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/include/soc/tegra/pm.h b/include/soc/tegra/pm.h new file mode 100644 index 000000000..08477d7bf --- /dev/null +++ b/include/soc/tegra/pm.h @@ -0,0 +1,66 @@ +/* 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, +}; + +#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); + +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); +#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; +} +#endif /* CONFIG_PM_SLEEP */ + +#endif /* __SOC_TEGRA_PM_H__ */ |