64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_SCHED_CPUFREQ_H
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#define _LINUX_SCHED_CPUFREQ_H
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#include <linux/types.h>
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#include "../../../drivers/misc/mediatek/base/power/include/mtk_upower.h"
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/*
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* Interface between cpufreq drivers and the scheduler:
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*/
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#define SCHED_CPUFREQ_IOWAIT (1U << 0)
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#define SCHED_CPUFREQ_MIGRATION (1U << 1)
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#ifdef CONFIG_CPU_FREQ
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struct cpufreq_policy;
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struct update_util_data {
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void (*func)(struct update_util_data *data, u64 time, unsigned int flags);
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};
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void cpufreq_add_update_util_hook(int cpu, struct update_util_data *data,
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void (*func)(struct update_util_data *data, u64 time,
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unsigned int flags));
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void cpufreq_remove_update_util_hook(int cpu);
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bool cpufreq_this_cpu_can_update(struct cpufreq_policy *policy);
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static inline unsigned long map_util_freq(unsigned long util,
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unsigned long freq, unsigned long cap)
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{
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return (freq + (freq >> 2)) * util / cap;
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}
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#ifdef CONFIG_NONLINEAR_FREQ_CTL
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extern unsigned int capacity_margin;
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extern unsigned int mt_cpufreq_get_cpu_freq(int cpu, int idx);
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__attribute__((unused)) static unsigned long mtk_map_util_freq(int cpu, unsigned long util)
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{
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struct upower_tbl *tbl;
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int idx, cap, target_idx = 0;
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#ifdef CONFIG_MTK_SCHED_EXTENSION
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util = util * capacity_margin / SCHED_CAPACITY_SCALE;
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#endif
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tbl = upower_get_core_tbl(cpu);
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for (idx = 0; idx < tbl->row_num ; idx++) {
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cap = tbl->row[idx].cap;
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if (!cap)
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break;
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target_idx = idx;
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if (cap >= util)
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break;
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}
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return mt_cpufreq_get_cpu_freq(cpu, target_idx);
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}
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#endif /* CONFIG_NONLINEAR_FREQ_CTL */
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#endif /* CONFIG_CPU_FREQ */
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#endif /* _LINUX_SCHED_CPUFREQ_H */
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