| // 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; |
| } |
