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/*
* Utility functions for parsing Tegra CVB voltage tables
*
* 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.
*
*/
#ifndef __DRIVERS_CLK_TEGRA_CVB_H
#define __DRIVERS_CLK_TEGRA_CVB_H
#include <linux/types.h>
struct device;
#define MAX_DVFS_FREQS 40
struct rail_alignment {
int offset_uv;
int step_uv;
};
struct cvb_coefficients {
int c0;
int c1;
int c2;
};
struct cvb_table_freq_entry {
unsigned long freq;
struct cvb_coefficients coefficients;
};
struct cvb_cpu_dfll_data {
u32 tune0_low;
u32 tune0_high;
u32 tune1;
};
struct cvb_table {
int speedo_id;
int process_id;
int min_millivolts;
int max_millivolts;
int speedo_scale;
int voltage_scale;
struct cvb_table_freq_entry entries[MAX_DVFS_FREQS];
struct cvb_cpu_dfll_data cpu_dfll_data;
};
const struct cvb_table *
tegra_cvb_add_opp_table(struct device *dev, const struct cvb_table *cvb_tables,
size_t count, struct rail_alignment *align,
int process_id, int speedo_id, int speedo_value,
unsigned long max_freq);
void tegra_cvb_remove_opp_table(struct device *dev,
const struct cvb_table *table,
unsigned long max_freq);
#endif
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