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77 lines
1.6 KiB
77 lines
1.6 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright (C) 2020 Linaro Ltd |
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* |
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* Author: Daniel Lezcano <[email protected]> |
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*/ |
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#ifndef ___DTPM_H__ |
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#define ___DTPM_H__ |
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#include <linux/powercap.h> |
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#define MAX_DTPM_DESCR 8 |
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#define MAX_DTPM_CONSTRAINTS 1 |
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struct dtpm { |
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struct powercap_zone zone; |
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struct dtpm *parent; |
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struct list_head sibling; |
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struct list_head children; |
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struct dtpm_ops *ops; |
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unsigned long flags; |
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u64 power_limit; |
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u64 power_max; |
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u64 power_min; |
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int weight; |
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void *private; |
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}; |
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struct dtpm_ops { |
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u64 (*set_power_uw)(struct dtpm *, u64); |
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u64 (*get_power_uw)(struct dtpm *); |
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void (*release)(struct dtpm *); |
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}; |
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struct dtpm_descr; |
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typedef int (*dtpm_init_t)(struct dtpm_descr *); |
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struct dtpm_descr { |
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struct dtpm *parent; |
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const char *name; |
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dtpm_init_t init; |
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}; |
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/* Init section thermal table */ |
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extern struct dtpm_descr *__dtpm_table[]; |
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extern struct dtpm_descr *__dtpm_table_end[]; |
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#define DTPM_TABLE_ENTRY(name) \ |
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static typeof(name) *__dtpm_table_entry_##name \ |
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__used __section("__dtpm_table") = &name |
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#define DTPM_DECLARE(name) DTPM_TABLE_ENTRY(name) |
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#define for_each_dtpm_table(__dtpm) \ |
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for (__dtpm = __dtpm_table; \ |
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__dtpm < __dtpm_table_end; \ |
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__dtpm++) |
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static inline struct dtpm *to_dtpm(struct powercap_zone *zone) |
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{ |
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return container_of(zone, struct dtpm, zone); |
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} |
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int dtpm_update_power(struct dtpm *dtpm, u64 power_min, u64 power_max); |
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int dtpm_release_zone(struct powercap_zone *pcz); |
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struct dtpm *dtpm_alloc(struct dtpm_ops *ops); |
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void dtpm_unregister(struct dtpm *dtpm); |
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int dtpm_register(const char *name, struct dtpm *dtpm, struct dtpm *parent); |
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int dtpm_register_cpu(struct dtpm *parent); |
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#endif
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