sof/zephyr/include/rtos/interrupt.h

105 lines
2.5 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright(c) 2022 Intel Corporation. All rights reserved.
*
* TODO: IMX support, today IRQ is supported via SOF xtos API.
*/
#ifndef __ZEPHYR_RTOS_INTERRUPT_H__
#define __ZEPHYR_RTOS_INTERRUPT_H__
#if defined(CONFIG_IMX)
/* imx currently has no IRQ driver in Zephyr so we force to xtos IRQ */
#include "../../../xtos/include/rtos/interrupt.h"
#else
#include <zephyr/device.h>
#include <zephyr/kernel.h>
#include <stdint.h>
#include <sof/trace/trace.h>
/* to be removed once driver upstream in Zephyr */
#define __SOF_DRIVERS_INTERRUPT_H__
#include <platform/drivers/interrupt.h>
extern struct tr_ctx zephyr_tr;
static inline int interrupt_register(uint32_t irq, void(*handler)(void *arg), void *arg)
{
#ifdef CONFIG_DYNAMIC_INTERRUPTS
return arch_irq_connect_dynamic(irq, 0, (void (*)(const void *))handler,
arg, 0);
#else
tr_err(&zephyr_tr, "Cannot register handler for IRQ %u: dynamic IRQs are disabled",
irq);
return -EOPNOTSUPP;
#endif
}
/* unregister an IRQ handler - matches on IRQ number and data ptr */
static inline void interrupt_unregister(uint32_t irq, const void *arg)
{
/*
* There is no "unregister" (or "disconnect") for
* interrupts in Zephyr.
*/
irq_disable(irq);
}
/*
* CAVS IRQs are multilevel
*/
static inline int interrupt_get_irq(unsigned int irq, const char *cascade)
{
#if defined(CONFIG_LIBRARY) || defined(CONFIG_ACE) || \
defined(CONFIG_ZEPHYR_POSIX) || defined(CONFIG_ARM64)
return irq;
#else
if (cascade == irq_name_level2)
return SOC_AGGREGATE_IRQ(irq, IRQ_NUM_EXT_LEVEL2);
if (cascade == irq_name_level5)
return SOC_AGGREGATE_IRQ(irq, IRQ_NUM_EXT_LEVEL5);
return SOC_AGGREGATE_IRQ(0, irq);
#endif
}
/* enable an interrupt source - IRQ needs mapped to Zephyr,
* arg is used to match.
*/
static inline uint32_t interrupt_enable(uint32_t irq, void *arg)
{
irq_enable(irq);
return 0;
}
/* disable interrupt */
static inline uint32_t interrupt_disable(uint32_t irq, void *arg)
{
irq_disable(irq);
return 0;
}
/* TODO: using SOF versions */
void interrupt_mask(uint32_t irq, unsigned int cpu);
void interrupt_unmask(uint32_t irq, unsigned int cpu);
void interrupt_clear_mask(uint32_t irq, uint32_t mask);
/* handled by Zephyr */
static inline void platform_interrupt_init(void) {}
/* disables all IRQ sources on current core */
#define irq_local_disable(flags) \
(flags = arch_irq_lock())
/* re-enables IRQ sources on current core */
#define irq_local_enable(flags) \
arch_irq_unlock(flags)
#endif /* IMX */
#endif /* __ZEPHYR_RTOS_INTERRUPT_H__ */