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/*
*
* Copyright (C) 2010 Google, Inc.
*
* Author:
* Colin Cross <ccross@google.com>
*
* 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 _TEGRA_DVFS_H_
#define _TEGRA_DVFS_H_
#define MAX_DVFS_FREQS 16
struct clk;
struct dvfs {
/* Used only by tegra2_clock.c */
const char *clk_name;
int process_id;
bool cpu;
/* Must be initialized before tegra_dvfs_init */
const char *reg_id;
int freqs_mult;
unsigned long freqs[MAX_DVFS_FREQS];
unsigned long millivolts[MAX_DVFS_FREQS];
bool auto_dvfs;
bool higher;
/* Filled in by tegra_dvfs_init */
int max_millivolts;
int num_freqs;
struct dvfs_reg *dvfs_reg;
int cur_millivolts;
unsigned long cur_rate;
struct list_head node;
struct list_head debug_node;
struct list_head reg_node;
};
void tegra2_init_dvfs(void);
int tegra_enable_dvfs_on_clk(struct clk *c, struct dvfs *d);
int dvfs_debugfs_init(struct dentry *clk_debugfs_root);
int tegra_dvfs_late_init(void);
#endif
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