mirror of https://github.com/OpenIPC/firmware.git
133 lines
4.4 KiB
Diff
133 lines
4.4 KiB
Diff
diff -drupN a/drivers/cpufreq/autohotplug.h b/drivers/cpufreq/autohotplug.h
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--- a/drivers/cpufreq/autohotplug.h 1970-01-01 03:00:00.000000000 +0300
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+++ b/drivers/cpufreq/autohotplug.h 2022-06-12 05:28:14.000000000 +0300
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@@ -0,0 +1,128 @@
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+/*
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+ * drivers/cpufreq/autohotplug.h
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+ *
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+ * Copyright (C) 2016-2020 Allwinnertech.
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+ * East Yang <yangdong@allwinnertech.com>
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+
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation; either version 2 of the License, or
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+ * (at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ */
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+
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+#ifndef __AUTOHOTPLUG__
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+#define __AUTOHOTPLUG__
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+
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+#define INVALID_LOAD 0xffffffff
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+#define INVALID_CPU 0xffffffff
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+
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+#define STABLE_DOWN 0
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+#define STABLE_UP 1
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+#define STABLE_BOOST 2
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+#define STABLE_LAST_BIG 3
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+
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+#if defined(CONFIG_SCHED_HMP)
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+ #define AUTOHOTPLUG_SUNXI_SYSFS_MAX (7)
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+#elif defined(CONFIG_SCHED_SMP_DCMP)
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+ #define AUTOHOTPLUG_SUNXI_SYSFS_MAX (2)
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+#else
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+ #define AUTOHOTPLUG_SUNXI_SYSFS_MAX (0)
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+#endif
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+
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+#ifdef CONFIG_CPU_AUTOHOTPLUG_STATS
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+ #define AUTOHOTPLUG_STATS_SYSFS_MAX (3 * (CONFIG_NR_CPUS))
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+#else
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+ #define AUTOHOTPLUG_STATS_SYSFS_MAX (0)
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+#endif
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+
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+#define HOTPLUG_DATA_SYSFS_MAX (9 + AUTOHOTPLUG_SUNXI_SYSFS_MAX + \
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+ AUTOHOTPLUG_STATS_SYSFS_MAX)
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+
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+struct autohotplug_loadinfo {
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+ unsigned int cpu_load[CONFIG_NR_CPUS];
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+ unsigned int cpu_load_relative[CONFIG_NR_CPUS];
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+ unsigned int max_load;
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+ unsigned int min_load;
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+ unsigned int max_cpu;
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+ unsigned int min_cpu;
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+ unsigned int big_min_load;
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+};
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+
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+struct autohotplug_governor_loadinfo {
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+ struct timer_list cpu_timer;
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+ struct autohotplug_loadinfo load;
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+};
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+
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+struct autohotplug_cpuinfo {
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+ spinlock_t load_lock; /* protects the next 4 fields */
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+ u64 time_in_idle;
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+ u64 time_in_idle_timestamp;
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+};
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+
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+struct autohotplug_global_attr {
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+ struct attribute attr;
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+ ssize_t (*show)(struct kobject *kobj,
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+ struct attribute *attr, char *buf);
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+ ssize_t (*store)(struct kobject *a, struct attribute *b,
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+ const char *c, size_t count);
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+ unsigned int *value;
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+ unsigned int (*to_sysfs)(unsigned int, unsigned int *);
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+ unsigned int (*from_sysfs)(unsigned int, unsigned int *);
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+};
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+
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+struct autohotplug_data_struct {
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+ struct attribute_group attr_group;
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+ struct attribute *attributes[HOTPLUG_DATA_SYSFS_MAX + 1];
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+ struct autohotplug_global_attr attr[HOTPLUG_DATA_SYSFS_MAX];
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+};
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+
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+struct autohotplug_governor {
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+ void (*init_attr)(void);
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+ int (*get_fast_and_slow_cpus)(struct cpumask *hmp_fast_cpu_mask,
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+ struct cpumask *hmp_slow_cpu_mask);
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+ int (*try_up)(struct autohotplug_loadinfo *load);
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+ int (*try_down)(struct autohotplug_loadinfo *load);
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+ void (*try_freq_limit)(void);
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+};
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+
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+extern unsigned int is_cpu_big(int cpu);
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+extern unsigned int is_cpu_little(int cpu);
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+extern int do_cpu_down(unsigned int cpu);
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+extern int try_up_little(void);
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+extern int try_up_big(void);
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+
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+extern void autohotplug_attr_add(const char *name,
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+ unsigned int *value, umode_t mode,
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+ unsigned int (*to_sysfs)(unsigned int, unsigned int *),
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+ unsigned int (*from_sysfs)(unsigned int, unsigned int*));
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+extern int get_cpus_under(struct autohotplug_loadinfo *load,
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+ unsigned char level, unsigned int *first);
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+extern int get_bigs_above(struct autohotplug_loadinfo *load,
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+ unsigned char level, unsigned int *first);
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+extern int get_littles_under(struct autohotplug_loadinfo *load,
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+ unsigned char level, unsigned int *first);
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+extern int get_bigs_under(struct autohotplug_loadinfo *load,
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+ unsigned char level, unsigned int *first);
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+extern int get_cpus_stable_under(struct autohotplug_loadinfo *load,
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+ unsigned char level, unsigned int *first, int is_up);
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+extern int get_cpus_online(struct autohotplug_loadinfo *load,
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+ int *little, int *big);
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+
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+extern struct autohotplug_governor autohotplug_smart;
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+
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+extern unsigned int load_try_down;
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+extern unsigned int load_try_up;
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+extern unsigned long cpu_up_lasttime;
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+extern unsigned int load_up_stable_us;
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+extern unsigned int load_down_stable_us;
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+#ifdef CONFIG_SCHED_HMP
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+extern void __init arch_get_fast_and_slow_cpus(struct cpumask *fast,
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+ struct cpumask *slow);
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+#endif
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+
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+#endif /* #ifndef __AUTOHOTPLUG__ */
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