diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c new file mode 100644 index 0000000000..c866144ff0 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c @@ -0,0 +1,128 @@ +// SPDX-License-Identifier: ISC +/* Copyright (C) 2021 MediaTek Inc. */ + +#include "mt7921.h" +#include "../dma.h" +#include "../mt76_connac2_mac.h" + +int mt7921e_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, + enum mt76_txq_id qid, struct mt76_wcid *wcid, + struct ieee80211_sta *sta, + struct mt76_tx_info *tx_info) +{ + struct mt792x_dev *dev = container_of(mdev, struct mt792x_dev, mt76); + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb); + struct ieee80211_key_conf *key = info->control.hw_key; + struct mt76_connac_hw_txp *txp; + struct mt76_txwi_cache *t; + int id, pid; + u8 *txwi = (u8 *)txwi_ptr; + + if (unlikely(tx_info->skb->len <= ETH_HLEN)) + return -EINVAL; + + if (!wcid) + wcid = &dev->mt76.global_wcid; + + t = (struct mt76_txwi_cache *)(txwi + mdev->drv->txwi_size); + t->skb = tx_info->skb; + + id = mt76_token_consume(mdev, &t); + if (id < 0) + return id; + + if (sta) { + struct mt792x_sta *msta = (struct mt792x_sta *)sta->drv_priv; + + if (time_after(jiffies, msta->last_txs + HZ / 4)) { + info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; + msta->last_txs = jiffies; + } + } + + pid = mt76_tx_status_skb_add(mdev, wcid, tx_info->skb); + mt76_connac2_mac_write_txwi(mdev, txwi_ptr, tx_info->skb, wcid, key, + pid, qid, 0); + + txp = (struct mt76_connac_hw_txp *)(txwi + MT_TXD_SIZE); + memset(txp, 0, sizeof(struct mt76_connac_hw_txp)); + mt76_connac_write_hw_txp(mdev, tx_info, txp, id); + + tx_info->skb = NULL; + + return 0; +} + +int mt7921e_mac_reset(struct mt792x_dev *dev) +{ + int i, err; + + mt792xe_mcu_drv_pmctrl(dev); + + mt76_connac_free_pending_tx_skbs(&dev->pm, NULL); + + mt76_wr(dev, dev->irq_map->host_irq_enable, 0); + mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0x0); + + set_bit(MT76_RESET, &dev->mphy.state); + set_bit(MT76_MCU_RESET, &dev->mphy.state); + wake_up(&dev->mt76.mcu.wait); + skb_queue_purge(&dev->mt76.mcu.res_q); + + mt76_txq_schedule_all(&dev->mphy); + + mt76_worker_disable(&dev->mt76.tx_worker); + napi_disable(&dev->mt76.napi[MT_RXQ_MAIN]); + napi_disable(&dev->mt76.napi[MT_RXQ_MCU]); + napi_disable(&dev->mt76.napi[MT_RXQ_MCU_WA]); + napi_disable(&dev->mt76.tx_napi); + + mt76_connac2_tx_token_put(&dev->mt76); + idr_init(&dev->mt76.token); + + mt792x_wpdma_reset(dev, true); + + local_bh_disable(); + mt76_for_each_q_rx(&dev->mt76, i) { + napi_enable(&dev->mt76.napi[i]); + napi_schedule(&dev->mt76.napi[i]); + } + local_bh_enable(); + + dev->fw_assert = false; + clear_bit(MT76_MCU_RESET, &dev->mphy.state); + + mt76_wr(dev, dev->irq_map->host_irq_enable, + dev->irq_map->tx.all_complete_mask | + MT_INT_RX_DONE_ALL | MT_INT_MCU_CMD); + mt76_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff); + + err = mt7921e_driver_own(dev); + if (err) + goto out; + + err = mt7921_run_firmware(dev); + if (err) + goto out; + + err = mt7921_mcu_set_eeprom(dev); + if (err) + goto out; + + err = mt7921_mac_init(dev); + if (err) + goto out; + + err = __mt7921_start(&dev->phy); +out: + clear_bit(MT76_RESET, &dev->mphy.state); + + local_bh_disable(); + napi_enable(&dev->mt76.tx_napi); + napi_schedule(&dev->mt76.tx_napi); + local_bh_enable(); + + mt76_worker_enable(&dev->mt76.tx_worker); + + return err; +} |