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;
29 u64 (*set_power_uw)(struct dtpm *, u64);
30 u64 (*get_power_uw)(struct dtpm *);
31 int (*update_power_uw)(struct dtpm *);
32 void (*release)(struct dtpm *);
37 struct dtpm_subsys_ops {
41 int (*setup)(struct dtpm *, struct device_node *);
45 DTPM_NODE_VIRTUAL = 0,
50 enum DTPM_NODE_TYPE type;
52 struct dtpm_node *parent;
55 static inline struct dtpm *to_dtpm(struct powercap_zone *zone)
57 return container_of(zone, struct dtpm, zone);
60 int dtpm_update_power(struct dtpm *dtpm);
62 int dtpm_release_zone(struct powercap_zone *pcz);
64 void dtpm_init(struct dtpm *dtpm, struct dtpm_ops *ops);
66 void dtpm_unregister(struct dtpm *dtpm);
68 int dtpm_register(const char *name, struct dtpm *dtpm, struct dtpm *parent);
70 int dtpm_create_hierarchy(struct of_device_id *dtpm_match_table);
72 void dtpm_destroy_hierarchy(void);