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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2017-2018 Bartosz Golaszewski <brgl@bgdev.pl>
* Copyright (C) 2020 Bartosz Golaszewski <bgolaszewski@baylibre.com>
*/
#ifndef _LINUX_IRQ_SIM_H
#define _LINUX_IRQ_SIM_H
#include <linux/device.h>
#include <linux/fwnode.h>
#include <linux/irqdomain.h>
/*
* Provides a framework for allocating simulated interrupts which can be
* requested like normal irqs and enqueued from process context.
*/
struct irq_sim_ops {
int (*irq_sim_irq_requested)(struct irq_domain *domain,
irq_hw_number_t hwirq, void *data);
void (*irq_sim_irq_released)(struct irq_domain *domain,
irq_hw_number_t hwirq, void *data);
};
struct irq_domain *irq_domain_create_sim(struct fwnode_handle *fwnode,
unsigned int num_irqs);
struct irq_domain *devm_irq_domain_create_sim(struct device *dev,
struct fwnode_handle *fwnode,
unsigned int num_irqs);
struct irq_domain *irq_domain_create_sim_full(struct fwnode_handle *fwnode,
unsigned int num_irqs,
const struct irq_sim_ops *ops,
void *data);
struct irq_domain *
devm_irq_domain_create_sim_full(struct device *dev,
struct fwnode_handle *fwnode,
unsigned int num_irqs,
const struct irq_sim_ops *ops,
void *data);
void irq_domain_remove_sim(struct irq_domain *domain);
#endif /* _LINUX_IRQ_SIM_H */
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