kernel_samsung_a34x-permissive/include/linux/sched/cpufreq.h
2024-04-28 15:51:13 +02:00

64 lines
1.6 KiB
C

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