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61 lines
2.2 KiB
61 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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