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/*
* arch/arm/mach-tegra/include/mach/io_dpd.h
*
* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
#ifndef __MACH_TEGRA_IO_DPD_H
#define __MACH_TEGRA_IO_DPD_H
#include <linux/delay.h>
/* Tegra io dpd entry - for each supported driver */
struct tegra_io_dpd {
const char *name; /* driver name */
u8 io_dpd_reg_index; /* io dpd register index */
u8 io_dpd_bit; /* bit position for driver in dpd register */
u8 need_delay_dpd; /* work around to delay dpd after lp0*/
struct delayed_work delay_dpd;
struct mutex delay_lock;
};
/* Tegra io dpd APIs */
struct tegra_io_dpd *tegra_io_dpd_get(struct device *dev); /* get handle */
void tegra_io_dpd_enable(struct tegra_io_dpd *hnd); /* enable dpd */
void tegra_io_dpd_disable(struct tegra_io_dpd *hnd); /* disable dpd */
int tegra_io_dpd_init(void);
#endif /* end __MACH_TEGRA_IO_DPD_H */
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