// SPDX-License-Identifier: ISC /* 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; }