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62 lines
2.2 KiB
62 lines
2.2 KiB
/* Copyright (c) 2015, The Linux Foundataion. 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 The Linux Foundation 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 __CPUHINT_H__
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#define __CPUHINT_H__
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#include <core/sdm_types.h>
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#include <utils/sys.h>
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namespace sdm {
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class HWCDebugHandler;
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class CPUHint {
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public:
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DisplayError Init(HWCDebugHandler *debug_handler);
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void Set();
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void Reset();
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private:
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enum { HINT = 0x4501 /* 45-display layer hint, 01-Enable */ };
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bool enabled_ = false;
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// frames to wait before setting this hint
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int pre_enable_window_ = 0;
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int frame_countdown_ = 0;
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int lock_handle_ = 0;
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bool lock_acquired_ = false;
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DynLib vendor_ext_lib_;
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int (*fn_lock_acquire_)(int handle, int duration, int *hints, int num_args) = NULL;
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int (*fn_lock_release_)(int value) = NULL;
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};
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} // namespace sdm
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#endif // __CPUHINT_H__
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