// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
 * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
 */

#include "mt7601u.h"

int mt7601u_wait_asic_ready(struct mt7601u_dev *dev)
{
        int i = 100;
        u32 val;

        do {
                if (test_bit(MT7601U_STATE_REMOVED, &dev->state))
                        return -EIO;

                val = mt7601u_rr(dev, MT_MAC_CSR0);
                if (val && ~val)
                        return 0;

                udelay(10);
        } while (i--);

        return -EIO;
}

bool mt76_poll(struct mt7601u_dev *dev, u32 offset, u32 mask, u32 val,
               int timeout)
{
        u32 cur;

        timeout /= 10;
        do {
                if (test_bit(MT7601U_STATE_REMOVED, &dev->state))
                        return false;

                cur = mt7601u_rr(dev, offset) & mask;
                if (cur == val)
                        return true;

                udelay(10);
        } while (timeout-- > 0);

        dev_err(dev->dev, "Error: Time out with reg %08x\n", offset);

        return false;
}

bool mt76_poll_msec(struct mt7601u_dev *dev, u32 offset, u32 mask, u32 val,
                    int timeout)
{
        u32 cur;

        timeout /= 10;
        do {
                if (test_bit(MT7601U_STATE_REMOVED, &dev->state))
                        return false;

                cur = mt7601u_rr(dev, offset) & mask;
                if (cur == val)
                        return true;

                msleep(10);
        } while (timeout-- > 0);

        dev_err(dev->dev, "Error: Time out with reg %08x\n", offset);

        return false;
}