82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/* Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __KGSL_PWRSCALE_H
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#define __KGSL_PWRSCALE_H
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struct kgsl_pwrscale;
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struct kgsl_pwrscale_policy {
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const char *name;
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int (*init)(struct kgsl_device *device,
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struct kgsl_pwrscale *pwrscale);
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void (*close)(struct kgsl_device *device,
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struct kgsl_pwrscale *pwrscale);
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void (*idle)(struct kgsl_device *device,
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struct kgsl_pwrscale *pwrscale);
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void (*busy)(struct kgsl_device *device,
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struct kgsl_pwrscale *pwrscale);
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void (*sleep)(struct kgsl_device *device,
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struct kgsl_pwrscale *pwrscale);
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void (*wake)(struct kgsl_device *device,
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struct kgsl_pwrscale *pwrscale);
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};
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struct kgsl_pwrscale {
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struct kgsl_pwrscale_policy *policy;
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struct kobject kobj;
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void *priv;
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int enabled;
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};
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struct kgsl_pwrscale_policy_attribute {
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struct attribute attr;
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ssize_t (*show)(struct kgsl_device *device,
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struct kgsl_pwrscale *pwrscale, char *buf);
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ssize_t (*store)(struct kgsl_device *device,
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struct kgsl_pwrscale *pwrscale, const char *buf,
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size_t count);
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};
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#define PWRSCALE_POLICY_ATTR(_name, _mode, _show, _store) \
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struct kgsl_pwrscale_policy_attribute policy_attr_##_name = \
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__ATTR(_name, _mode, _show, _store)
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extern struct kgsl_pwrscale_policy kgsl_pwrscale_policy_tz;
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extern struct kgsl_pwrscale_policy kgsl_pwrscale_policy_idlestats;
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extern struct kgsl_pwrscale_policy kgsl_pwrscale_policy_msm;
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int kgsl_pwrscale_init(struct kgsl_device *device);
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void kgsl_pwrscale_close(struct kgsl_device *device);
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int kgsl_pwrscale_attach_policy(struct kgsl_device *device,
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struct kgsl_pwrscale_policy *policy);
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void kgsl_pwrscale_detach_policy(struct kgsl_device *device);
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void kgsl_pwrscale_idle(struct kgsl_device *device);
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void kgsl_pwrscale_busy(struct kgsl_device *device);
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void kgsl_pwrscale_sleep(struct kgsl_device *device);
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void kgsl_pwrscale_wake(struct kgsl_device *device);
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void kgsl_pwrscale_enable(struct kgsl_device *device);
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void kgsl_pwrscale_disable(struct kgsl_device *device);
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int kgsl_pwrscale_policy_add_files(struct kgsl_device *device,
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struct kgsl_pwrscale *pwrscale,
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struct attribute_group *attr_group);
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void kgsl_pwrscale_policy_remove_files(struct kgsl_device *device,
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struct kgsl_pwrscale *pwrscale,
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struct attribute_group *attr_group);
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#endif
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