// SPDX-License-Identifier: BSD-3-Clause-Clear
/* Copyright (C) 2021 MediaTek Inc. */

#include "mt7921.h"
#include "mcu.h"

int mt7921e_driver_own(struct mt792x_dev *dev)
{
        u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);

        mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN);
        if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN,
                            0, 500)) {
                dev_err(dev->mt76.dev, "Timeout for driver own\n");
                return -EIO;
        }

        return 0;
}

static int
mt7921_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
                        int cmd, int *seq)
{
        struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);
        enum mt76_mcuq_id txq = MT_MCUQ_WM;
        int ret;

        ret = mt76_connac2_mcu_fill_message(mdev, skb, cmd, seq);
        if (ret)
                return ret;

        mdev->mcu.timeout = 3 * HZ;

        if (cmd == MCU_CMD(FW_SCATTER))
                txq = MT_MCUQ_FWDL;

        return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[txq], skb, 0);
}

int mt7921e_mcu_init(struct mt792x_dev *dev)
{
        static const struct mt76_mcu_ops mt7921_mcu_ops = {
                .headroom = sizeof(struct mt76_connac2_mcu_txd),
                .mcu_skb_send_msg = mt7921_mcu_send_message,
                .mcu_parse_response = mt7921_mcu_parse_response,
        };
        int err;

        dev->mt76.mcu_ops = &mt7921_mcu_ops;

        err = mt7921e_driver_own(dev);
        if (err)
                return err;

        mt76_rmw_field(dev, MT_PCIE_MAC_PM, MT_PCIE_MAC_PM_L0S_DIS, 1);

        err = mt7921_run_firmware(dev);

        mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);

        return err;
}