1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Utility functions for parsing Tegra CVB voltage tables 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef __DRIVERS_CLK_TEGRA_CVB_H 7*4882a593Smuzhiyun #define __DRIVERS_CLK_TEGRA_CVB_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <linux/types.h> 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun struct device; 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #define MAX_DVFS_FREQS 40 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun struct rail_alignment { 16*4882a593Smuzhiyun int offset_uv; 17*4882a593Smuzhiyun int step_uv; 18*4882a593Smuzhiyun }; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun struct cvb_coefficients { 21*4882a593Smuzhiyun int c0; 22*4882a593Smuzhiyun int c1; 23*4882a593Smuzhiyun int c2; 24*4882a593Smuzhiyun }; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun struct cvb_table_freq_entry { 27*4882a593Smuzhiyun unsigned long freq; 28*4882a593Smuzhiyun struct cvb_coefficients coefficients; 29*4882a593Smuzhiyun }; 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun struct cvb_cpu_dfll_data { 32*4882a593Smuzhiyun u32 tune0_low; 33*4882a593Smuzhiyun u32 tune0_high; 34*4882a593Smuzhiyun u32 tune1; 35*4882a593Smuzhiyun unsigned int tune_high_min_millivolts; 36*4882a593Smuzhiyun }; 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun struct cvb_table { 39*4882a593Smuzhiyun int speedo_id; 40*4882a593Smuzhiyun int process_id; 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun int min_millivolts; 43*4882a593Smuzhiyun int max_millivolts; 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun int speedo_scale; 46*4882a593Smuzhiyun int voltage_scale; 47*4882a593Smuzhiyun struct cvb_table_freq_entry entries[MAX_DVFS_FREQS]; 48*4882a593Smuzhiyun struct cvb_cpu_dfll_data cpu_dfll_data; 49*4882a593Smuzhiyun }; 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun const struct cvb_table * 52*4882a593Smuzhiyun tegra_cvb_add_opp_table(struct device *dev, const struct cvb_table *cvb_tables, 53*4882a593Smuzhiyun size_t count, struct rail_alignment *align, 54*4882a593Smuzhiyun int process_id, int speedo_id, int speedo_value, 55*4882a593Smuzhiyun unsigned long max_freq); 56*4882a593Smuzhiyun void tegra_cvb_remove_opp_table(struct device *dev, 57*4882a593Smuzhiyun const struct cvb_table *table, 58*4882a593Smuzhiyun unsigned long max_freq); 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun #endif 61