tegrakernel/kernel/kernel-4.9/include/soc/tegra/tegra-dfll.h

47 lines
1.6 KiB
C

/*
* Copyright (c) 2014-2018, NVIDIA Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _TEGRA_DFLL_H_
#define _TEGRA_DFLL_H_
#include <linux/kernel.h>
#include <linux/platform_device.h>
enum tegra_dfll_thermal_type {
TEGRA_DFLL_THERMAL_FLOOR = 0,
TEGRA_DFLL_THERMAL_CAP,
};
struct tegra_dfll;
extern struct tegra_dfll *tegra_dfll_get_by_phandle(struct device_node *np,
const char *prop);
extern int tegra_dfll_update_thermal_index(struct tegra_dfll *td,
enum tegra_dfll_thermal_type type,
unsigned long new_index);
extern int tegra_dfll_get_thermal_index(struct tegra_dfll *td,
enum tegra_dfll_thermal_type type);
extern int tegra_dfll_count_thermal_states(struct tegra_dfll *td,
enum tegra_dfll_thermal_type type);
int tegra_dfll_set_external_floor_mv(int external_floor_mv);
u32 tegra_dfll_get_thermal_floor_mv(void);
u32 tegra_dfll_get_peak_thermal_floor_mv(void);
u32 tegra_dfll_get_thermal_cap_mv(void);
u32 tegra_dfll_get_min_millivolts(void);
struct rail_alignment *tegra_dfll_get_alignment(void);
const char *tegra_dfll_get_cvb_version(void);
#endif