cpufreq.h 1.0 KB

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  1. /* linux/arch/arm/mach-exynos/include/mach/cpufreq.h
  2. *
  3. * Copyright (c) 2010 Samsung Electronics Co., Ltd.
  4. * http://www.samsung.com
  5. *
  6. * EXYNOS - CPUFreq support
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License version 2 as
  10. * published by the Free Software Foundation.
  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. struct exynos_dvfs_info {
  20. unsigned long mpll_freq_khz;
  21. unsigned int pll_safe_idx;
  22. unsigned int pm_lock_idx;
  23. unsigned int max_support_idx;
  24. unsigned int min_support_idx;
  25. struct clk *cpu_clk;
  26. unsigned int *volt_table;
  27. struct cpufreq_frequency_table *freq_table;
  28. void (*set_freq)(unsigned int, unsigned int);
  29. bool (*need_apll_change)(unsigned int, unsigned int);
  30. };
  31. extern int exynos4210_cpufreq_init(struct exynos_dvfs_info *);
  32. extern int exynos4x12_cpufreq_init(struct exynos_dvfs_info *);
  33. extern int exynos5250_cpufreq_init(struct exynos_dvfs_info *);