1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2018-2019, Linaro Ltd.
* Author: Georgi Djakov <georgi.djakov@linaro.org>
*/
#ifndef __LINUX_INTERCONNECT_H
#define __LINUX_INTERCONNECT_H
#include <linux/mutex.h>
#include <linux/types.h>
/* macros for converting to icc units */
#define Bps_to_icc(x) ((x) / 1000)
#define kBps_to_icc(x) (x)
#define MBps_to_icc(x) ((x) * 1000)
#define GBps_to_icc(x) ((x) * 1000 * 1000)
#define bps_to_icc(x) (1)
#define kbps_to_icc(x) ((x) / 8 + ((x) % 8 ? 1 : 0))
#define Mbps_to_icc(x) ((x) * 1000 / 8)
#define Gbps_to_icc(x) ((x) * 1000 * 1000 / 8)
struct icc_path;
struct device;
#if IS_ENABLED(CONFIG_INTERCONNECT)
struct icc_path *icc_get(struct device *dev, const int src_id,
const int dst_id);
struct icc_path *of_icc_get(struct device *dev, const char *name);
struct icc_path *devm_of_icc_get(struct device *dev, const char *name);
struct icc_path *of_icc_get_by_index(struct device *dev, int idx);
void icc_put(struct icc_path *path);
int icc_enable(struct icc_path *path);
int icc_disable(struct icc_path *path);
int icc_set_bw(struct icc_path *path, u32 avg_bw, u32 peak_bw);
void icc_set_tag(struct icc_path *path, u32 tag);
const char *icc_get_name(struct icc_path *path);
#else
static inline struct icc_path *icc_get(struct device *dev, const int src_id,
const int dst_id)
{
return NULL;
}
static inline struct icc_path *of_icc_get(struct device *dev,
const char *name)
{
return NULL;
}
static inline struct icc_path *devm_of_icc_get(struct device *dev,
const char *name)
{
return NULL;
}
static inline struct icc_path *of_icc_get_by_index(struct device *dev, int idx)
{
return NULL;
}
static inline void icc_put(struct icc_path *path)
{
}
static inline int icc_enable(struct icc_path *path)
{
return 0;
}
static inline int icc_disable(struct icc_path *path)
{
return 0;
}
static inline int icc_set_bw(struct icc_path *path, u32 avg_bw, u32 peak_bw)
{
return 0;
}
static inline void icc_set_tag(struct icc_path *path, u32 tag)
{
}
static inline const char *icc_get_name(struct icc_path *path)
{
return NULL;
}
#endif /* CONFIG_INTERCONNECT */
#endif /* __LINUX_INTERCONNECT_H */
|
