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/*
* include/linux/tegra-pm.h
*
* Copyright (c) 2013-2014, NVIDIA CORPORATION. All rights reserved.
*
* 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.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _LINUX_TEGRA_PM_H_
#define _LINUX_TEGRA_PM_H_
#define TEGRA_PM_SUSPEND 0x0001
#define TEGRA_PM_RESUME 0x0002
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,
};
int tegra_suspend_dram(enum tegra_suspend_mode mode, unsigned int flags);
int tegra_register_pm_notifier(struct notifier_block *nb);
int tegra_unregister_pm_notifier(struct notifier_block *nb);
#ifdef CONFIG_TEGRA_LP0_IN_IDLE
int tegra_enter_lp0(unsigned long sleep_time);
#else
static inline int tegra_enter_lp0(unsigned long sleep_time)
{ return 0; }
#endif
#endif /* _LINUX_TEGRA_PM_H_ */
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