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/*
* include/linux/trace_imu.h
*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
*/
#ifndef __TRACE_IMU_H
#define __TRACE_IMU_H
#define CREATE_TRACE_POINTS
#include <trace/events/atrace.h>
#define TRACE_SENSOR_ID (100)
/*
* (keep sync with sensor HAL trace.h)
* COOKIE definition for sensor HAL ATRACE events
*
* 3322222222221111111111000 0 000000 - Bit
* 1098765432109876543210987 6 543210 Position
* +-------------------------+-+------+
* | TIMESTAMP |P| STYPE|
* +-------------------------+-+------+
*
* Where:
* TIMESTAMP = Sensor event timestamp
* P = Private sensor bit indicator (1=private, 0=not private)
* STYPE = Sensor TYPE
*/
#define COOKIE_TOTAL_BITS 32
#define COOKIE_SENSOR_TYPE_BITS 6
#define COOKIE_SENSOR_PRIVATE_BITS 1
#define COOKIE_TIMESTAMP_BITS \
(COOKIE_TOTAL_BITS - COOKIE_SENSOR_PRIVATE_BITS - COOKIE_SENSOR_TYPE_BITS)
#define COOKIE_SENSOR_TYPE_SHIFT 0
#define COOKIE_SENSOR_PRIVATE_SHIFT COOKIE_SENSOR_TYPE_BITS
#define COOKIE_TIMESTAMP_SHIFT \
(COOKIE_SENSOR_PRIVATE_BITS + COOKIE_SENSOR_TYPE_BITS)
#define COOKIE_SENSOR_TYPE_MASK \
(((1 << COOKIE_SENSOR_TYPE_BITS) - 1) << COOKIE_SENSOR_TYPE_SHIFT)
#define COOKIE_SENSOR_PRIVATE_MASK \
(((1 << COOKIE_SENSOR_PRIVATE_BITS) - 1) << COOKIE_SENSOR_PRIVATE_SHIFT)
#define COOKIE_TIMESTAMP_MASK \
(((1 << COOKIE_TIMESTAMP_BITS) - 1) << COOKIE_TIMESTAMP_SHIFT)
#define SENSOR_TYPE_PRIVATE_BIT_POS 16
#define TIMESTAMP_SCALE_SHIFT 16 // divide by 65536
#define COOKIE(sensor_type,timestamp) \
(((sensor_type >> (COOKIE_TOTAL_BITS - SENSOR_TYPE_PRIVATE_BIT_POS - \
COOKIE_SENSOR_PRIVATE_SHIFT)) & COOKIE_SENSOR_PRIVATE_MASK) | \
((sensor_type << COOKIE_SENSOR_TYPE_SHIFT) & COOKIE_SENSOR_TYPE_MASK) | \
(((timestamp >> TIMESTAMP_SCALE_SHIFT) << COOKIE_TIMESTAMP_SHIFT) \
& COOKIE_TIMESTAMP_MASK))
#endif /* __TRACE_IMU_H */
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