Release 4.7 drivers/clk/tegra/cvb.h

/*
 * 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;
	
struct rail_alignment alignment;

	
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, 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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Directory: drivers/clk/tegra

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