clk.h

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/*
 *  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.
 *
 * Copyright (C) 2010 John Crispin <[email protected]>
 */

#ifndef _LTQ_CLK_H__
#define _LTQ_CLK_H__

#include <linux/clkdev.h>

/* clock speeds */
#define CLOCK_33M   33333333
#define CLOCK_60M   60000000
#define CLOCK_62_5M 62500000
#define CLOCK_83M   83333333
#define CLOCK_83_5M 83500000
#define CLOCK_98_304M   98304000
#define CLOCK_100M  100000000
#define CLOCK_111M  111111111
#define CLOCK_125M  125000000
#define CLOCK_133M  133333333
#define CLOCK_150M  150000000
#define CLOCK_166M  166666666
#define CLOCK_167M  166666667
#define CLOCK_196_608M  196608000
#define CLOCK_200M  200000000
#define CLOCK_250M  250000000
#define CLOCK_266M  266666666
#define CLOCK_300M  300000000
#define CLOCK_333M  333333333
#define CLOCK_393M  393215332
#define CLOCK_400M  400000000
#define CLOCK_500M  500000000
#define CLOCK_600M  600000000

/* clock out speeds */
#define CLOCK_32_768K   32768
#define CLOCK_1_536M    1536000
#define CLOCK_2_5M  2500000
#define CLOCK_12M   12000000
#define CLOCK_24M   24000000
#define CLOCK_25M   25000000
#define CLOCK_30M   30000000
#define CLOCK_40M   40000000
#define CLOCK_48M   48000000
#define CLOCK_50M   50000000
#define CLOCK_60M   60000000

struct clk {
    struct clk_lookup cl;
    unsigned long rate;
    unsigned long *rates;
    unsigned int module;
    unsigned int bits;
    unsigned long (*get_rate) (void);
    int (*enable) (struct clk *clk);
    void (*disable) (struct clk *clk);
    int (*activate) (struct clk *clk);
    void (*deactivate) (struct clk *clk);
    void (*reboot) (struct clk *clk);
};

extern void clkdev_add_static(unsigned long cpu, unsigned long fpi,
                unsigned long io);

extern unsigned long ltq_danube_cpu_hz(void);
extern unsigned long ltq_danube_fpi_hz(void);

extern unsigned long ltq_ar9_cpu_hz(void);
extern unsigned long ltq_ar9_fpi_hz(void);

extern unsigned long ltq_vr9_cpu_hz(void);
extern unsigned long ltq_vr9_fpi_hz(void);

#endif