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1// SPDX-License-Identifier: ISC2/* Copyright (C) 2021 MediaTek Inc. */3 4#include "mt7921.h"5#include "mcu.h"6 7int mt7921e_driver_own(struct mt792x_dev *dev)8{9 u32 reg = mt7921_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);10 11 mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN);12 if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN,13 0, 500)) {14 dev_err(dev->mt76.dev, "Timeout for driver own\n");15 return -EIO;16 }17 18 return 0;19}20 21static int22mt7921_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,23 int cmd, int *seq)24{25 struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76);26 enum mt76_mcuq_id txq = MT_MCUQ_WM;27 int ret;28 29 ret = mt76_connac2_mcu_fill_message(mdev, skb, cmd, seq);30 if (ret)31 return ret;32 33 mdev->mcu.timeout = 3 * HZ;34 35 if (cmd == MCU_CMD(FW_SCATTER))36 txq = MT_MCUQ_FWDL;37 38 return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[txq], skb, 0);39}40 41int mt7921e_mcu_init(struct mt792x_dev *dev)42{43 static const struct mt76_mcu_ops mt7921_mcu_ops = {44 .headroom = sizeof(struct mt76_connac2_mcu_txd),45 .mcu_skb_send_msg = mt7921_mcu_send_message,46 .mcu_parse_response = mt7921_mcu_parse_response,47 };48 int err;49 50 dev->mt76.mcu_ops = &mt7921_mcu_ops;51 52 err = mt7921e_driver_own(dev);53 if (err)54 return err;55 56 mt76_rmw_field(dev, MT_PCIE_MAC_PM, MT_PCIE_MAC_PM_L0S_DIS, 1);57 58 err = mt7921_run_firmware(dev);59 60 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_FWDL], false);61 62 return err;63}64