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e72e9355e3
git: https://android.googlesource.com/kernel/common branch: android-4.9 commit: 03fcc2fe71308c2d164b4e6cbfc738c63e670444
69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/*
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* Utility functions for parsing Tegra CVB voltage tables
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*/
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#ifndef __DRIVERS_CLK_TEGRA_CVB_H
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#define __DRIVERS_CLK_TEGRA_CVB_H
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#include <linux/types.h>
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struct device;
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#define MAX_DVFS_FREQS 40
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struct rail_alignment {
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int offset_uv;
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int step_uv;
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};
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struct cvb_coefficients {
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int c0;
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int c1;
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int c2;
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};
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struct cvb_table_freq_entry {
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unsigned long freq;
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struct cvb_coefficients coefficients;
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};
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struct cvb_cpu_dfll_data {
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u32 tune0_low;
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u32 tune0_high;
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u32 tune1;
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};
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struct cvb_table {
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int speedo_id;
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int process_id;
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int min_millivolts;
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int max_millivolts;
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struct rail_alignment alignment;
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int speedo_scale;
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int voltage_scale;
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struct cvb_table_freq_entry entries[MAX_DVFS_FREQS];
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struct cvb_cpu_dfll_data cpu_dfll_data;
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};
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const struct cvb_table *
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tegra_cvb_add_opp_table(struct device *dev, const struct cvb_table *cvb_tables,
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size_t count, int process_id, int speedo_id,
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int speedo_value, unsigned long max_freq);
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void tegra_cvb_remove_opp_table(struct device *dev,
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const struct cvb_table *table,
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unsigned long max_freq);
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#endif
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