/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  Aspeed AST2700 Interrupt Controller.
 *
 *  Copyright (C) 2026 ASPEED Technology Inc.
 */
#ifndef DRIVERS_IRQCHIP_AST2700
#define DRIVERS_IRQCHIP_AST2700

#include <linux/device.h>
#include <linux/irqdomain.h>

#define AST2700_INTC_INVALID_ROUTE (~0U)
#define ASPEED_INTC_RANGES_BASE         0U
#define ASPEED_INTC_RANGES_COUNT        1U

struct aspeed_intc_interrupt_range {
        u32               start;
        u32               count;
        struct irq_fwspec upstream;
        struct irq_domain *domain;
};

struct aspeed_intc_interrupt_ranges {
        struct aspeed_intc_interrupt_range *ranges;
        unsigned int                       nranges;
};

struct aspeed_intc0 {
        struct device                           *dev;
        void __iomem                            *base;
        raw_spinlock_t                          intc_lock;
        struct irq_domain                       *local;
        struct device_node                      *parent;
        struct aspeed_intc_interrupt_ranges     ranges;
};

int aspeed_intc_populate_ranges(struct device *dev,
                                struct aspeed_intc_interrupt_ranges *ranges);

int aspeed_intc0_resolve_route(const struct irq_domain *c0domain,
                               size_t nc1outs,
                               const u32 *c1outs,
                               size_t nc1ranges,
                               const struct aspeed_intc_interrupt_range *c1ranges,
                               struct aspeed_intc_interrupt_range *resolved);

#endif