// SPDX-License-Identifier: GPL-2.0
//
// Copyright 2010 Ben Dooks <ben-linux@fluff.org>
//
// Support for wakeup mask interrupts on newer SoCs

#include <linux/kernel.h>
#include <linux/spinlock.h>
#include <linux/device.h>
#include <linux/types.h>
#include <linux/irq.h>
#include <linux/io.h>

#include "wakeup-mask.h"
#include "pm.h"

void samsung_sync_wakemask(void __iomem *reg,
                           const struct samsung_wakeup_mask *mask, int nr_mask)
{
        struct irq_data *data;
        u32 val;

        val = __raw_readl(reg);

        for (; nr_mask > 0; nr_mask--, mask++) {
                if (mask->irq == NO_WAKEUP_IRQ) {
                        val |= mask->bit;
                        continue;
                }

                data = irq_get_irq_data(mask->irq);

                /* bit of a liberty to read this directly from irq_data. */
                if (irqd_is_wakeup_set(data))
                        val &= ~mask->bit;
                else
                        val |= mask->bit;
        }

        printk(KERN_INFO "wakemask %08x => %08x\n", __raw_readl(reg), val);
        __raw_writel(val, reg);
}