| Saurabh Shah | 909c979 | 2015-07-06 15:59:01 -0700 | [diff] [blame^] | 1 | /* Copyright (c) 2015, The Linux Foundataion. All rights reserved. |
| 2 | * |
| 3 | * Redistribution and use in source and binary forms, with or without |
| 4 | * modification, are permitted provided that the following conditions are |
| 5 | * met: |
| 6 | * * Redistributions of source code must retain the above copyright |
| 7 | * notice, this list of conditions and the following disclaimer. |
| 8 | * * Redistributions in binary form must reproduce the above |
| 9 | * copyright notice, this list of conditions and the following |
| 10 | * disclaimer in the documentation and/or other materials provided |
| 11 | * with the distribution. |
| 12 | * * Neither the name of The Linux Foundation nor the names of its |
| 13 | * contributors may be used to endorse or promote products derived |
| 14 | * from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 23 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 25 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 26 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | * |
| 28 | */ |
| 29 | |
| 30 | #ifndef __CPUHINT_H__ |
| 31 | #define __CPUHINT_H__ |
| 32 | |
| 33 | #include <core/sdm_types.h> |
| 34 | |
| 35 | namespace sdm { |
| 36 | |
| 37 | class HWCDebugHandler; |
| 38 | |
| 39 | class CPUHint { |
| 40 | public: |
| 41 | CPUHint(); |
| 42 | ~CPUHint(); |
| 43 | DisplayError Init(HWCDebugHandler *debug_handler); |
| 44 | void Set(); |
| 45 | void Reset(); |
| 46 | |
| 47 | private: |
| 48 | enum { HINT = 0x4701 /* 47-display layer hint, 01-Enable */ }; |
| 49 | bool enabled_; |
| 50 | // frames to wait before setting this hint |
| 51 | int pre_enable_window_; |
| 52 | int frame_countdown_; |
| 53 | int lock_handle_; |
| 54 | bool lock_acquired_; |
| 55 | void *lib_handle_; |
| 56 | int (*fn_lock_acquire_)(int handle, int duration, int *hints, int num_args); |
| 57 | int (*fn_lock_release_)(int value); |
| 58 | }; |
| 59 | |
| 60 | } // namespace sdm |
| 61 | |
| 62 | #endif // __CPUHINT_H__ |