blob: 34698cddd8fd2687ab1acd5f27fc19e52188475a [file] [log] [blame]
Lucille Sylvester6e362412011-12-09 16:21:42 -07001/* Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved.
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -07002 *
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;
Lucille Sylvester28e99c82011-08-18 17:23:10 -060039 int gpu_busy;
Jordan Crousedb817582012-04-11 12:59:05 -060040 int enabled;
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -070041};
42
43struct kgsl_pwrscale_policy_attribute {
44 struct attribute attr;
45 ssize_t (*show)(struct kgsl_device *device,
46 struct kgsl_pwrscale *pwrscale, char *buf);
47 ssize_t (*store)(struct kgsl_device *device,
48 struct kgsl_pwrscale *pwrscale, const char *buf,
49 size_t count);
50};
51
52#define PWRSCALE_POLICY_ATTR(_name, _mode, _show, _store) \
53 struct kgsl_pwrscale_policy_attribute policy_attr_##_name = \
54 __ATTR(_name, _mode, _show, _store)
55
56extern struct kgsl_pwrscale_policy kgsl_pwrscale_policy_tz;
Lucille Sylvester591ea032011-07-21 16:08:37 -060057extern struct kgsl_pwrscale_policy kgsl_pwrscale_policy_idlestats;
Lucille Sylvester6e362412011-12-09 16:21:42 -070058extern struct kgsl_pwrscale_policy kgsl_pwrscale_policy_msm;
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -070059
60int kgsl_pwrscale_init(struct kgsl_device *device);
61void kgsl_pwrscale_close(struct kgsl_device *device);
62
63int kgsl_pwrscale_attach_policy(struct kgsl_device *device,
64 struct kgsl_pwrscale_policy *policy);
65void kgsl_pwrscale_detach_policy(struct kgsl_device *device);
66
67void kgsl_pwrscale_idle(struct kgsl_device *device);
68void kgsl_pwrscale_busy(struct kgsl_device *device);
69void kgsl_pwrscale_sleep(struct kgsl_device *device);
70void kgsl_pwrscale_wake(struct kgsl_device *device);
71
Jordan Crousedb817582012-04-11 12:59:05 -060072void kgsl_pwrscale_enable(struct kgsl_device *device);
73void kgsl_pwrscale_disable(struct kgsl_device *device);
74
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -070075int kgsl_pwrscale_policy_add_files(struct kgsl_device *device,
76 struct kgsl_pwrscale *pwrscale,
77 struct attribute_group *attr_group);
78
79void kgsl_pwrscale_policy_remove_files(struct kgsl_device *device,
80 struct kgsl_pwrscale *pwrscale,
81 struct attribute_group *attr_group);
82#endif