blob: 92c0aa596737187fcc349fbfedd5f8fc3e7c1d49 (
plain)
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
|
/* Copyright 2017 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __PSR_H
#define __PSR_H
#include <opal.h>
enum psr_class {
PSR_CLASS_OCC,
};
/*
* PSR handle is defined as u32. The first and last bytes are
* used to indicate the class and type. RID indiactes psr class
* specific data. For PSR_CLASS_OCC psr class RID is the chip index.
*
* | Class |Reserved| RID | Type |
* |-------|--------|------|------|
*/
#define psr_make_handle(class, rid, type) (((class & 0xF) << 24) | \
((rid & 0xF) << 8) | (type & 0xF))
#define psr_get_class(handle) ((handle >> 24) & 0xF)
#define psr_get_rid(handle) ((handle >> 8) & 0xF)
#define psr_get_type(handle) (handle & 0xF)
/* Powercap OCC interface */
int occ_get_psr(u32 handle, u32 *ratio);
int occ_set_psr(u32 handle, int token, u32 ratio);
#endif /* __PSR_H */
|
