drivers/cpufreq/exynos-cpufreq.h

   1 /*
   2  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
   3  *              http://www.samsung.com
   4  *
   5  * EXYNOS - CPUFreq support
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10 */
  11
  12 enum cpufreq_level_index {
  13         L0, L1, L2, L3, L4,
  14         L5, L6, L7, L8, L9,
  15         L10, L11, L12, L13, L14,
  16         L15, L16, L17, L18, L19,
  17         L20,
  18 };
  19
  20 struct exynos_dvfs_info {
  21         unsigned long   mpll_freq_khz;
  22         unsigned int    pll_safe_idx;
  23         unsigned int    pm_lock_idx;
  24         unsigned int    max_support_idx;
  25         unsigned int    min_support_idx;
  26         struct clk      *cpu_clk;
  27         unsigned int    *volt_table;
  28         struct cpufreq_frequency_table  *freq_table;
  29         void (*set_freq)(unsigned int, unsigned int);
  30         bool (*need_apll_change)(unsigned int, unsigned int);
  31 };
  32
  33 extern int exynos4210_cpufreq_init(struct exynos_dvfs_info *);
  34 extern int exynos4x12_cpufreq_init(struct exynos_dvfs_info *);
  35 extern int exynos5250_cpufreq_init(struct exynos_dvfs_info *);