| .. | .. |
|---|
| 1 | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
|---|
| 2 | 2 | /* |
|---|
| 3 | 3 | * Copyright (C) 2017-2018 Bartosz Golaszewski <brgl@bgdev.pl> |
|---|
| 4 | + * Copyright (C) 2020 Bartosz Golaszewski <bgolaszewski@baylibre.com> |
|---|
| 4 | 5 | */ |
|---|
| 5 | 6 | |
|---|
| 6 | 7 | #ifndef _LINUX_IRQ_SIM_H |
|---|
| 7 | 8 | #define _LINUX_IRQ_SIM_H |
|---|
| 8 | 9 | |
|---|
| 9 | | -#include <linux/irq_work.h> |
|---|
| 10 | 10 | #include <linux/device.h> |
|---|
| 11 | +#include <linux/fwnode.h> |
|---|
| 12 | +#include <linux/irqdomain.h> |
|---|
| 11 | 13 | |
|---|
| 12 | 14 | /* |
|---|
| 13 | 15 | * Provides a framework for allocating simulated interrupts which can be |
|---|
| 14 | 16 | * requested like normal irqs and enqueued from process context. |
|---|
| 15 | 17 | */ |
|---|
| 16 | 18 | |
|---|
| 17 | | -struct irq_sim_work_ctx { |
|---|
| 18 | | - struct irq_work work; |
|---|
| 19 | | - int irq; |
|---|
| 20 | | -}; |
|---|
| 21 | | - |
|---|
| 22 | | -struct irq_sim_irq_ctx { |
|---|
| 23 | | - int irqnum; |
|---|
| 24 | | - bool enabled; |
|---|
| 25 | | -}; |
|---|
| 26 | | - |
|---|
| 27 | | -struct irq_sim { |
|---|
| 28 | | - struct irq_sim_work_ctx work_ctx; |
|---|
| 29 | | - int irq_base; |
|---|
| 30 | | - unsigned int irq_count; |
|---|
| 31 | | - struct irq_sim_irq_ctx *irqs; |
|---|
| 32 | | -}; |
|---|
| 33 | | - |
|---|
| 34 | | -int irq_sim_init(struct irq_sim *sim, unsigned int num_irqs); |
|---|
| 35 | | -int devm_irq_sim_init(struct device *dev, struct irq_sim *sim, |
|---|
| 36 | | - unsigned int num_irqs); |
|---|
| 37 | | -void irq_sim_fini(struct irq_sim *sim); |
|---|
| 38 | | -void irq_sim_fire(struct irq_sim *sim, unsigned int offset); |
|---|
| 39 | | -int irq_sim_irqnum(struct irq_sim *sim, unsigned int offset); |
|---|
| 19 | +struct irq_domain *irq_domain_create_sim(struct fwnode_handle *fwnode, |
|---|
| 20 | + unsigned int num_irqs); |
|---|
| 21 | +struct irq_domain *devm_irq_domain_create_sim(struct device *dev, |
|---|
| 22 | + struct fwnode_handle *fwnode, |
|---|
| 23 | + unsigned int num_irqs); |
|---|
| 24 | +void irq_domain_remove_sim(struct irq_domain *domain); |
|---|
| 40 | 25 | |
|---|
| 41 | 26 | #endif /* _LINUX_IRQ_SIM_H */ |
|---|