blob: 69046087313ed27230280d3da32402f67643e590 [file] [log] [blame]
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -07001/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License version 2 and
5 * only version 2 as published by the Free Software Foundation.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 */
13
14#ifndef __KGSL_PWRSCALE_H
15#define __KGSL_PWRSCALE_H
16
17struct kgsl_pwrscale;
18
19struct kgsl_pwrscale_policy {
20 const char *name;
21 int (*init)(struct kgsl_device *device,
22 struct kgsl_pwrscale *pwrscale);
23 void (*close)(struct kgsl_device *device,
24 struct kgsl_pwrscale *pwrscale);
25 void (*idle)(struct kgsl_device *device,
26 struct kgsl_pwrscale *pwrscale);
27 void (*busy)(struct kgsl_device *device,
28 struct kgsl_pwrscale *pwrscale);
29 void (*sleep)(struct kgsl_device *device,
30 struct kgsl_pwrscale *pwrscale);
31 void (*wake)(struct kgsl_device *device,
32 struct kgsl_pwrscale *pwrscale);
33};
34
35struct kgsl_pwrscale {
36 struct kgsl_pwrscale_policy *policy;
37 struct kobject kobj;
38 void *priv;
39};
40
41struct kgsl_pwrscale_policy_attribute {
42 struct attribute attr;
43 ssize_t (*show)(struct kgsl_device *device,
44 struct kgsl_pwrscale *pwrscale, char *buf);
45 ssize_t (*store)(struct kgsl_device *device,
46 struct kgsl_pwrscale *pwrscale, const char *buf,
47 size_t count);
48};
49
50#define PWRSCALE_POLICY_ATTR(_name, _mode, _show, _store) \
51 struct kgsl_pwrscale_policy_attribute policy_attr_##_name = \
52 __ATTR(_name, _mode, _show, _store)
53
54extern struct kgsl_pwrscale_policy kgsl_pwrscale_policy_tz;
55
56int kgsl_pwrscale_init(struct kgsl_device *device);
57void kgsl_pwrscale_close(struct kgsl_device *device);
58
59int kgsl_pwrscale_attach_policy(struct kgsl_device *device,
60 struct kgsl_pwrscale_policy *policy);
61void kgsl_pwrscale_detach_policy(struct kgsl_device *device);
62
63void kgsl_pwrscale_idle(struct kgsl_device *device);
64void kgsl_pwrscale_busy(struct kgsl_device *device);
65void kgsl_pwrscale_sleep(struct kgsl_device *device);
66void kgsl_pwrscale_wake(struct kgsl_device *device);
67
68int kgsl_pwrscale_policy_add_files(struct kgsl_device *device,
69 struct kgsl_pwrscale *pwrscale,
70 struct attribute_group *attr_group);
71
72void kgsl_pwrscale_policy_remove_files(struct kgsl_device *device,
73 struct kgsl_pwrscale *pwrscale,
74 struct attribute_group *attr_group);
75#endif