1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2020 Linaro Ltd
5 * Author: Daniel Lezcano <daniel.lezcano@linaro.org>
10 #include <linux/powercap.h>
12 #define MAX_DTPM_DESCR 8
13 #define MAX_DTPM_CONSTRAINTS 1
16 struct powercap_zone zone;
18 struct list_head sibling;
19 struct list_head children;
30 u64 (*set_power_uw)(struct dtpm *, u64);
31 u64 (*get_power_uw)(struct dtpm *);
32 void (*release)(struct dtpm *);
37 typedef int (*dtpm_init_t)(struct dtpm_descr *);
45 /* Init section thermal table */
46 extern struct dtpm_descr *__dtpm_table[];
47 extern struct dtpm_descr *__dtpm_table_end[];
49 #define DTPM_TABLE_ENTRY(name) \
50 static typeof(name) *__dtpm_table_entry_##name \
51 __used __section("__dtpm_table") = &name
53 #define DTPM_DECLARE(name) DTPM_TABLE_ENTRY(name)
55 #define for_each_dtpm_table(__dtpm) \
56 for (__dtpm = __dtpm_table; \
57 __dtpm < __dtpm_table_end; \
60 static inline struct dtpm *to_dtpm(struct powercap_zone *zone)
62 return container_of(zone, struct dtpm, zone);
65 int dtpm_update_power(struct dtpm *dtpm, u64 power_min, u64 power_max);
67 int dtpm_release_zone(struct powercap_zone *pcz);
69 struct dtpm *dtpm_alloc(struct dtpm_ops *ops);
71 void dtpm_unregister(struct dtpm *dtpm);
73 int dtpm_register(const char *name, struct dtpm *dtpm, struct dtpm *parent);
75 int dtpm_register_cpu(struct dtpm *parent);