// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright 2001 MontaVista Software Inc.
 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
 * Copyright (C) 2000, 2001 Ralf Baechle (ralf@gnu.org)
 *
 * Copyright (C) 2007 Lemote Inc. & Institute of Computing Technology
 * Author: Fuxin Zhang, zhangfx@lemote.com
 */
#include <linux/interrupt.h>
#include <linux/compiler.h>

#include <loongson.h>

static inline void bonito_irq_enable(struct irq_data *d)
{
        LOONGSON_INTENSET = (1 << (d->irq - LOONGSON_IRQ_BASE));
        mmiowb();
}

static inline void bonito_irq_disable(struct irq_data *d)
{
        LOONGSON_INTENCLR = (1 << (d->irq - LOONGSON_IRQ_BASE));
        mmiowb();
}

static struct irq_chip bonito_irq_type = {
        .name           = "bonito_irq",
        .irq_mask       = bonito_irq_disable,
        .irq_unmask     = bonito_irq_enable,
};

void bonito_irq_init(void)
{
        u32 i;

        for (i = LOONGSON_IRQ_BASE; i < LOONGSON_IRQ_BASE + 32; i++)
                irq_set_chip_and_handler(i, &bonito_irq_type,
                                         handle_level_irq);

#ifdef CONFIG_CPU_LOONGSON2E
        i = LOONGSON_IRQ_BASE + 10;
        if (request_irq(i, no_action, 0, "dma_timeout", NULL))
                pr_err("Failed to request irq %d (dma_timeout)\n", i);
#endif
}