[deliverable/linux.git] / 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 cvb_table[MAX_DVFS_FREQS];
	struct cvb_cpu_dfll_data cpu_dfll_data;
};

const struct cvb_table *tegra_cvb_build_opp_table(
		const struct cvb_table *cvb_tables,
		size_t sz, int process_id,
		int speedo_id, int speedo_value,
		unsigned long max_rate,
		struct device *opp_dev);

#endif
Commit	Line	Data
fa63aa3d TT	1	/*
	2	* Utility functions for parsing Tegra CVB voltage tables
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2 as
	6	* published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope that it will be useful, but WITHOUT
	9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	10	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	11	* more details.
	12	*
	13	*/
	14
	15	#ifndef __DRIVERS_CLK_TEGRA_CVB_H
	16	#define __DRIVERS_CLK_TEGRA_CVB_H
	17
	18	#include <linux/types.h>
	19
	20	struct device;
	21
	22	#define MAX_DVFS_FREQS 40
	23
	24	struct rail_alignment {
	25	int offset_uv;
	26	int step_uv;
	27	};
	28
	29	struct cvb_coefficients {
	30	int c0;
	31	int c1;
	32	int c2;
	33	};
	34
	35	struct cvb_table_freq_entry {
	36	unsigned long freq;
	37	struct cvb_coefficients coefficients;
	38	};
	39
	40	struct cvb_cpu_dfll_data {
	41	u32 tune0_low;
	42	u32 tune0_high;
	43	u32 tune1;
	44	};
	45
	46	struct cvb_table {
	47	int speedo_id;
	48	int process_id;
	49
	50	int min_millivolts;
	51	int max_millivolts;
	52	struct rail_alignment alignment;
	53
	54	int speedo_scale;
	55	int voltage_scale;
	56	struct cvb_table_freq_entry cvb_table[MAX_DVFS_FREQS];
	57	struct cvb_cpu_dfll_data cpu_dfll_data;
	58	};
	59
	60	const struct cvb_table *tegra_cvb_build_opp_table(
	61	const struct cvb_table *cvb_tables,
	62	size_t sz, int process_id,
	63	int speedo_id, int speedo_value,
	64	unsigned long max_rate,
65	struct device *opp_dev);
66
67	#endif