wait.h

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/* SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright(c) 2022 Intel Corporation. All rights reserved.
 *
 * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
 */
 
#ifndef __ZEPHYR_RTOS_WAIT_H__
#define __ZEPHYR_RTOS_WAIT_H__
 
#include <stdint.h>
#include <stdbool.h>
#include <zephyr/kernel.h>
#include <zephyr/sys/time_units.h>
#include <rtos/timer.h>
 
static inline void wait_delay_us(uint64_t us)
{
    k_busy_wait(us);
}
 
static inline void wait_delay(uint64_t number_of_clks)
{
    k_busy_wait(k_cyc_to_us_floor64(number_of_clks));
}
 
static inline void wait_delay_ms(uint64_t ms)
{
    k_busy_wait(ms * 1000);
}
 
int poll_for_register_delay(uint32_t reg, uint32_t mask,
                uint32_t val, uint64_t us);
 
/* TODO: this is tmp used by some IMX IPC drivers that have not transitioned
 * to Zephyr. To be removed after drivers migrated to Zephyr. It's xtensa only too.
 */
static inline void wait_for_interrupt(int level)
{
    __asm__ volatile("waiti 0");
}
 
#endif /* __ZEPHYR_RTOS_WAIT_H__ */