1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2017-2018 Bartosz Golaszewski <brgl@bgdev.pl> 4 * Copyright (C) 2020 Bartosz Golaszewski <bgolaszewski@baylibre.com> 5 */ 6 7 #ifndef _LINUX_IRQ_SIM_H 8 #define _LINUX_IRQ_SIM_H 9 10 #include <linux/device.h> 11 #include <linux/fwnode.h> 12 #include <linux/irqdomain.h> 13 14 /* 15 * Provides a framework for allocating simulated interrupts which can be 16 * requested like normal irqs and enqueued from process context. 17 */ 18 19 struct irq_sim_ops { 20 int (*irq_sim_irq_requested)(struct irq_domain *domain, 21 irq_hw_number_t hwirq, void *data); 22 void (*irq_sim_irq_released)(struct irq_domain *domain, 23 irq_hw_number_t hwirq, void *data); 24 }; 25 26 struct irq_domain *irq_domain_create_sim(struct fwnode_handle *fwnode, 27 unsigned int num_irqs); 28 struct irq_domain *devm_irq_domain_create_sim(struct device *dev, 29 struct fwnode_handle *fwnode, 30 unsigned int num_irqs); 31 struct irq_domain *irq_domain_create_sim_full(struct fwnode_handle *fwnode, 32 unsigned int num_irqs, 33 const struct irq_sim_ops *ops, 34 void *data); 35 struct irq_domain * 36 devm_irq_domain_create_sim_full(struct device *dev, 37 struct fwnode_handle *fwnode, 38 unsigned int num_irqs, 39 const struct irq_sim_ops *ops, 40 void *data); 41 void irq_domain_remove_sim(struct irq_domain *domain); 42 43 #endif /* _LINUX_IRQ_SIM_H */ 44