Alex Frid
507c11e883
Added Vmin coefficients to CPU DFLL CVB table, and updated Vmin calculations during OPP table build accordingly. Changed build function signature to return final Vmin. Bug 1906940 Change-Id: I6e19266f865e9a3dda21c9e0f7178feece055ddf Signed-off-by: Alex Frid <afrid@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1565468 Reviewed-by: Peter De Schrijver <pdeschrijver@nvidia.com> Tested-by: Peter De Schrijver <pdeschrijver@nvidia.com> Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: Timo Alho <talho@nvidia.com>
64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
/* 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_low;
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u32 tune1_high;
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unsigned int tune_high_min_millivolts;
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unsigned int tune_high_margin_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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struct cvb_coefficients vmin_coefficients;
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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, int *vmin);
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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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