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Diffstat (limited to 'drivers/iio/imu/inv_icm42600/inv_icm42600_timestamp.h')
-rw-r--r--drivers/iio/imu/inv_icm42600/inv_icm42600_timestamp.h85
1 files changed, 0 insertions, 85 deletions
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_timestamp.h b/drivers/iio/imu/inv_icm42600/inv_icm42600_timestamp.h
deleted file mode 100644
index 4e4f331d4fe4..000000000000
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600_timestamp.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2020 Invensense, Inc.
- */
-
-#ifndef INV_ICM42600_TIMESTAMP_H_
-#define INV_ICM42600_TIMESTAMP_H_
-
-#include <linux/kernel.h>
-
-struct inv_icm42600_state;
-
-/**
- * struct inv_icm42600_timestamp_interval - timestamps interval
- * @lo: interval lower bound
- * @up: interval upper bound
- */
-struct inv_icm42600_timestamp_interval {
- int64_t lo;
- int64_t up;
-};
-
-/**
- * struct inv_icm42600_timestamp_acc - accumulator for computing an estimation
- * @val: current estimation of the value, the mean of all values
- * @idx: current index of the next free place in values table
- * @values: table of all measured values, use for computing the mean
- */
-struct inv_icm42600_timestamp_acc {
- uint32_t val;
- size_t idx;
- uint32_t values[32];
-};
-
-/**
- * struct inv_icm42600_timestamp - timestamp management states
- * @it: interrupts interval timestamps
- * @timestamp: store last timestamp for computing next data timestamp
- * @mult: current internal period multiplier
- * @new_mult: new set internal period multiplier (not yet effective)
- * @period: measured current period of the sensor
- * @chip_period: accumulator for computing internal chip period
- */
-struct inv_icm42600_timestamp {
- struct inv_icm42600_timestamp_interval it;
- int64_t timestamp;
- uint32_t mult;
- uint32_t new_mult;
- uint32_t period;
- struct inv_icm42600_timestamp_acc chip_period;
-};
-
-void inv_icm42600_timestamp_init(struct inv_icm42600_timestamp *ts,
- uint32_t period);
-
-int inv_icm42600_timestamp_setup(struct inv_icm42600_state *st);
-
-int inv_icm42600_timestamp_update_odr(struct inv_icm42600_timestamp *ts,
- uint32_t period, bool fifo);
-
-void inv_icm42600_timestamp_interrupt(struct inv_icm42600_timestamp *ts,
- uint32_t fifo_period, size_t fifo_nb,
- size_t sensor_nb, int64_t timestamp);
-
-static inline int64_t
-inv_icm42600_timestamp_pop(struct inv_icm42600_timestamp *ts)
-{
- ts->timestamp += ts->period;
- return ts->timestamp;
-}
-
-void inv_icm42600_timestamp_apply_odr(struct inv_icm42600_timestamp *ts,
- uint32_t fifo_period, size_t fifo_nb,
- unsigned int fifo_no);
-
-static inline void
-inv_icm42600_timestamp_reset(struct inv_icm42600_timestamp *ts)
-{
- const struct inv_icm42600_timestamp_interval interval_init = {0LL, 0LL};
-
- ts->it = interval_init;
- ts->timestamp = 0;
-}
-
-#endif