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hint-data.h
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/*
* Copyright (c) 2012, 2013, 2015, 2017-2018, The Linux Foundation. All rights reserved.
* Copyright (C) 2018-2019 The LineageOS Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* Default use-case hint IDs */
#define DEFAULT_VIDEO_ENCODE_HINT_ID (0x0A00)
#define DEFAULT_VIDEO_DECODE_HINT_ID (0x0B00)
#define DISPLAY_STATE_HINT_ID (0x0C00)
#define DISPLAY_STATE_HINT_ID_2 (0x0D00)
#define CAM_PREVIEW_HINT_ID (0x0E00)
#define SUSTAINED_PERF_HINT_ID (0x0F00)
#define VR_MODE_HINT_ID (0x1000)
#define VR_MODE_SUSTAINED_PERF_HINT_ID (0x1001)
#define AOSP_DELTA (0x1200)
#define VSYNC_HINT AOSP_DELTA + POWER_HINT_VSYNC
#define INTERACTION_HINT AOSP_DELTA + POWER_HINT_INTERACTION
#define VIDEO_DECODE_HINT AOSP_DELTA + POWER_HINT_VIDEO_DECODE
#define VIDEO_ENCODE_HINT AOSP_DELTA + POWER_HINT_VIDEO_ENCODE
#define LOW_POWER_HINT AOSP_DELTA + POWER_HINT_LOW_POWER
#define SUSTAINED_PERF_HINT AOSP_DELTA + POWER_HINT_SUSTAINED_PERFORMANCE
#define VR_MODE_HINT AOSP_DELTA + POWER_HINT_VR_MODE
#define LAUNCH_HINT AOSP_DELTA + POWER_HINT_LAUNCH
#define DISABLE_TOUCH_HINT AOSP_DELTA + POWER_HINT_DISABLE_TOUCH
// update NUM_HINTS if hints are added to AOSP
#define NUM_HINTS (POWER_HINT_DISABLE_TOUCH + 1)
#define VR_MODE_SUSTAINED_PERF_HINT (0x1301)
#define DEFAULT_PROFILE_HINT_ID (0xFF00)
struct hint_handles {
int handle;
int ref_count;
};
struct hint_data {
unsigned long hint_id; /* This is our key. */
unsigned long perflock_handle;
};
int hint_compare(struct hint_data* first_hint, struct hint_data* other_hint);
void hint_dump(struct hint_data* hint);