1576b4484SSean Wang // SPDX-License-Identifier: ISC 2576b4484SSean Wang /* Copyright (C) 2021 MediaTek Inc. */ 3576b4484SSean Wang 4576b4484SSean Wang #include "mt7921.h" 5576b4484SSean Wang #include "../dma.h" 6140efef3SLorenzo Bianconi #include "../mt76_connac2_mac.h" 7576b4484SSean Wang 8576b4484SSean Wang int mt7921e_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, 9576b4484SSean Wang enum mt76_txq_id qid, struct mt76_wcid *wcid, 10576b4484SSean Wang struct ieee80211_sta *sta, 11576b4484SSean Wang struct mt76_tx_info *tx_info) 12576b4484SSean Wang { 13975e122dSLorenzo Bianconi struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); 14576b4484SSean Wang struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb); 15576b4484SSean Wang struct ieee80211_key_conf *key = info->control.hw_key; 164cb4da17SLorenzo Bianconi struct mt76_connac_hw_txp *txp; 17576b4484SSean Wang struct mt76_txwi_cache *t; 18576b4484SSean Wang int id, pid; 19576b4484SSean Wang u8 *txwi = (u8 *)txwi_ptr; 20576b4484SSean Wang 21576b4484SSean Wang if (unlikely(tx_info->skb->len <= ETH_HLEN)) 22576b4484SSean Wang return -EINVAL; 23576b4484SSean Wang 24576b4484SSean Wang if (!wcid) 25576b4484SSean Wang wcid = &dev->mt76.global_wcid; 26576b4484SSean Wang 27576b4484SSean Wang t = (struct mt76_txwi_cache *)(txwi + mdev->drv->txwi_size); 28576b4484SSean Wang t->skb = tx_info->skb; 29576b4484SSean Wang 30576b4484SSean Wang id = mt76_token_consume(mdev, &t); 31576b4484SSean Wang if (id < 0) 32576b4484SSean Wang return id; 33576b4484SSean Wang 34576b4484SSean Wang if (sta) { 35b7bfad2cSLorenzo Bianconi struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; 36576b4484SSean Wang 37576b4484SSean Wang if (time_after(jiffies, msta->last_txs + HZ / 4)) { 38576b4484SSean Wang info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; 39576b4484SSean Wang msta->last_txs = jiffies; 40576b4484SSean Wang } 41576b4484SSean Wang } 42576b4484SSean Wang 43576b4484SSean Wang pid = mt76_tx_status_skb_add(mdev, wcid, tx_info->skb); 44182071cdSLorenzo Bianconi mt76_connac2_mac_write_txwi(mdev, txwi_ptr, tx_info->skb, wcid, key, 451d5af0acSFelix Fietkau pid, qid, 0); 46576b4484SSean Wang 474cb4da17SLorenzo Bianconi txp = (struct mt76_connac_hw_txp *)(txwi + MT_TXD_SIZE); 484cb4da17SLorenzo Bianconi memset(txp, 0, sizeof(struct mt76_connac_hw_txp)); 495e610f8eSLorenzo Bianconi mt76_connac_write_hw_txp(mdev, tx_info, txp, id); 50576b4484SSean Wang 51*730be160SFelix Fietkau tx_info->skb = NULL; 52576b4484SSean Wang 53576b4484SSean Wang return 0; 54576b4484SSean Wang } 55576b4484SSean Wang 56975e122dSLorenzo Bianconi int mt7921e_mac_reset(struct mt792x_dev *dev) 57576b4484SSean Wang { 58576b4484SSean Wang int i, err; 59576b4484SSean Wang 601c025496SLorenzo Bianconi mt792xe_mcu_drv_pmctrl(dev); 61dfc7743dSSean Wang 62576b4484SSean Wang mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); 63576b4484SSean Wang 64c9072f11SLorenzo Bianconi mt76_wr(dev, dev->irq_map->host_irq_enable, 0); 65576b4484SSean Wang mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0x0); 66576b4484SSean Wang 67576b4484SSean Wang set_bit(MT76_RESET, &dev->mphy.state); 68576b4484SSean Wang set_bit(MT76_MCU_RESET, &dev->mphy.state); 69576b4484SSean Wang wake_up(&dev->mt76.mcu.wait); 70576b4484SSean Wang skb_queue_purge(&dev->mt76.mcu.res_q); 71576b4484SSean Wang 72576b4484SSean Wang mt76_txq_schedule_all(&dev->mphy); 73576b4484SSean Wang 74576b4484SSean Wang mt76_worker_disable(&dev->mt76.tx_worker); 75576b4484SSean Wang napi_disable(&dev->mt76.napi[MT_RXQ_MAIN]); 76576b4484SSean Wang napi_disable(&dev->mt76.napi[MT_RXQ_MCU]); 77576b4484SSean Wang napi_disable(&dev->mt76.napi[MT_RXQ_MCU_WA]); 78576b4484SSean Wang napi_disable(&dev->mt76.tx_napi); 79576b4484SSean Wang 80c8e370feSLorenzo Bianconi mt76_connac2_tx_token_put(&dev->mt76); 81576b4484SSean Wang idr_init(&dev->mt76.token); 82576b4484SSean Wang 83ff655174SLorenzo Bianconi mt792x_wpdma_reset(dev, true); 84576b4484SSean Wang 85576b4484SSean Wang local_bh_disable(); 86576b4484SSean Wang mt76_for_each_q_rx(&dev->mt76, i) { 87576b4484SSean Wang napi_enable(&dev->mt76.napi[i]); 88576b4484SSean Wang napi_schedule(&dev->mt76.napi[i]); 89576b4484SSean Wang } 90576b4484SSean Wang local_bh_enable(); 91576b4484SSean Wang 926dcf1571SSean Wang dev->fw_assert = false; 93576b4484SSean Wang clear_bit(MT76_MCU_RESET, &dev->mphy.state); 94576b4484SSean Wang 95c9072f11SLorenzo Bianconi mt76_wr(dev, dev->irq_map->host_irq_enable, 96c9072f11SLorenzo Bianconi dev->irq_map->tx.all_complete_mask | 97c9072f11SLorenzo Bianconi MT_INT_RX_DONE_ALL | MT_INT_MCU_CMD); 98576b4484SSean Wang mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff); 99576b4484SSean Wang 1000efaf31dSSean Wang err = mt7921e_driver_own(dev); 1010efaf31dSSean Wang if (err) 102fa3fbe64SDeren Wu goto out; 1030efaf31dSSean Wang 104576b4484SSean Wang err = mt7921_run_firmware(dev); 105576b4484SSean Wang if (err) 106576b4484SSean Wang goto out; 107576b4484SSean Wang 108576b4484SSean Wang err = mt7921_mcu_set_eeprom(dev); 109576b4484SSean Wang if (err) 110576b4484SSean Wang goto out; 111576b4484SSean Wang 112576b4484SSean Wang err = mt7921_mac_init(dev); 113576b4484SSean Wang if (err) 114576b4484SSean Wang goto out; 115576b4484SSean Wang 116576b4484SSean Wang err = __mt7921_start(&dev->phy); 117576b4484SSean Wang out: 118576b4484SSean Wang clear_bit(MT76_RESET, &dev->mphy.state); 119576b4484SSean Wang 120576b4484SSean Wang local_bh_disable(); 121576b4484SSean Wang napi_enable(&dev->mt76.tx_napi); 122576b4484SSean Wang napi_schedule(&dev->mt76.tx_napi); 123576b4484SSean Wang local_bh_enable(); 124576b4484SSean Wang 125576b4484SSean Wang mt76_worker_enable(&dev->mt76.tx_worker); 126576b4484SSean Wang 127576b4484SSean Wang return err; 128576b4484SSean Wang } 129