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60 lines
1.1 KiB
60 lines
1.1 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Utility functions for parsing Tegra CVB voltage tables |
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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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unsigned int tune_high_min_millivolts; |
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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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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, struct rail_alignment *align, |
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int process_id, int speedo_id, int speedo_value, |
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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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