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/* SPDX-License-Identifier: BSD-3-Clause */
#ifndef LIBPAYLOAD_DELAY_H
#define LIBPAYLOAD_DELAY_H
#include <stdint.h>
#define NSECS_PER_SEC 1000000000
#define USECS_PER_SEC 1000000
#define MSECS_PER_SEC 1000
#define NSECS_PER_MSEC (NSECS_PER_SEC / MSECS_PER_SEC)
#define NSECS_PER_USEC (NSECS_PER_SEC / USECS_PER_SEC)
#define USECS_PER_MSEC (USECS_PER_SEC / MSECS_PER_SEC)
unsigned int get_cpu_speed(void);
/**
* Delay for a specified number of nanoseconds.
*
* @param ns Number of nanoseconds to delay for.
*/
void ndelay(uint64_t n);
/**
* Delay for a specified number of microseconds.
*
* @param us Number of microseconds to delay for.
*/
static inline void udelay(unsigned int us)
{
ndelay((uint64_t)us * NSECS_PER_USEC);
}
/**
* Delay for a specified number of milliseconds.
*
* @param ms Number of milliseconds to delay for.
*/
static inline void mdelay(unsigned int ms)
{
ndelay((uint64_t)ms * NSECS_PER_MSEC);
}
/**
* Delay for a specified number of seconds.
*
* @param s Number of seconds to delay for.
*/
static inline void delay(unsigned int s)
{
ndelay((uint64_t)s * NSECS_PER_SEC);
}
#endif /* LIBPAYLOAD_DELAY_H */
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