/*
 * Copyright (C) 2017-2020 Alibaba Group Holding Limited
 *
 * SPDX-License-Identifier: GPL-2.0+
 */

#ifndef __CLOCK_H__
#define __CLOCK_H__
#include <common.h>
#include <asm/types.h>

typedef enum {
    CLOCK_CPU_FREQ_1000M = 1000 * 1000 * 1000,
    CLOCK_CPU_FREQ_950M = 950 * 1000 * 1000,
    CLOCK_CPU_FREQ_940M = 940 * 1000 * 1000,
    CLOCK_CPU_FREQ_930M = 930 * 1000 * 1000,
    CLOCK_CPU_FREQ_920M = 920 * 1000 * 1000,
    CLOCK_CPU_FREQ_910M = 910 * 1000 * 1000,
    CLOCK_CPU_FREQ_900M = 900 * 1000 * 1000,
    CLOCK_CPU_FREQ_850M = 850 * 1000 * 1000,
    CLOCK_CPU_FREQ_800M = 800 * 1000 * 1000,
    CLOCK_CPU_FREQ_700M = 700 * 1000 * 1000,
    CLOCK_CPU_FREQ_600M = 600 * 1000 * 1000,
    CLOCK_CPU_FREQ_400M = 400 * 1000 * 1000,
    CLOCK_CPU_FREQ_300M = 300 * 1000 * 1000,
    CLOCK_CPU_FREQ_200M = 200 * 1000 * 1000,
    CLOCK_CPU_FREQ_150M = 150 * 1000 * 1000,
    CLOCK_CPU_FREQ_100M = 100 * 1000 * 1000,
    CLOCK_CPU_FREQ_75M  = 75 * 1000 * 1000,

    CLOCK_CPU_FREQ_24M  = 24 * 1000 * 1000,
    CLOCK_CPU_FREQ_12M  = 12 * 1000 * 1000,
    CLOCK_CPU_FREQ_3M   = 3 * 1000 * 1000,
    CLOCK_CPU_FREQ_375K = 375 * 1000,
    CLOCK_CPU_FREQ_46875 = 46875,
} clock_cpu_freqs_e;

#define CLOCK_CPU_SPEED_MODE_DEFAULT 0
#define CLOCK_CPU_SPEED_MODE_HIGH    1

int32_t clock_set_cpu_speed_mode(int speed_mode);
int32_t clock_get_cpu_speed_mode(int *speed_mode);

int32_t clock_set_cpu_speed(uint32_t  freq);
int32_t clock_get_cpu_speed(uint32_t *freq);

#endif