90 lines
3.5 KiB
C
90 lines
3.5 KiB
C
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/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Code Aurora Forum, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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struct completion kobj_unregister;
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void *priv;
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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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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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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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