Commit 9dd5beb7 authored by Rex Lu's avatar Rex Lu Committed by Felix Fietkau
Browse files

wifi: mt76: mt7996: Introduce the capability to reset MT7992 WED device 



This is a preliminary patch to enable WED support for MT7992 Kite
chipset supported by MT7996 driver.

Co-developed-by: default avatarSujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: default avatarSujuan Chen <sujuan.chen@mediatek.com>
Co-developed-by: default avatarBenjamin Lin <benjamin-jw.lin@mediatek.com>
Signed-off-by: default avatarBenjamin Lin <benjamin-jw.lin@mediatek.com>
Signed-off-by: default avatarRex Lu <rex.lu@mediatek.com>
Co-developed-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250909-mt7996-rro-rework-v5-7-7d66f6eb7795@kernel.org


Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent eedb427e

drivers/net/wireless/mediatek/mt76/mt7996/init.c

+3 −3
Original line number Diff line number Diff line
@@ -756,9 +756,9 @@ void mt7996_wfsys_reset(struct mt7996_dev *dev) 
	msleep(20);

}



#ifdef CONFIG_NET_MEDIATEK_SOC_WED

static void mt7996_rro_hw_init(struct mt7996_dev *dev)

void mt7996_rro_hw_init(struct mt7996_dev *dev)

{

#ifdef CONFIG_NET_MEDIATEK_SOC_WED

	struct mtk_wed_device *wed = &dev->mt76.mmio.wed;

	u32 reg = MT_RRO_ADDR_ELEM_SEG_ADDR0;

	int i;
@@ -838,8 +838,8 @@ static void mt7996_rro_hw_init(struct mt7996_dev *dev) 
	/* interrupt enable */

	mt76_wr(dev, MT_RRO_HOST_INT_ENA,

		MT_RRO_HOST_INT_ENA_HOST_RRO_DONE_ENA);

}

#endif

}



static int mt7996_wed_rro_init(struct mt7996_dev *dev)

{

drivers/net/wireless/mediatek/mt76/mt7996/mac.c

+30 −0
Original line number Diff line number Diff line
@@ -1913,6 +1913,32 @@ mt7996_mac_restart(struct mt7996_dev *dev) 
	if (ret)

		goto out;



	if (mtk_wed_device_active(&dev->mt76.mmio.wed) && dev->has_rro) {

		u32 wed_irq_mask = dev->mt76.mmio.irqmask |

				   MT_INT_RRO_RX_DONE |

				   MT_INT_TX_DONE_BAND2;



		mt7996_rro_hw_init(dev);

		mt76_for_each_q_rx(&dev->mt76, i) {

			if (mt76_queue_is_wed_rro_ind(&dev->mt76.q_rx[i]) ||

			    mt76_queue_is_wed_rro_msdu_pg(&dev->mt76.q_rx[i]))

				mt76_queue_rx_reset(dev, i);

		}



		mt76_wr(dev, MT_INT_MASK_CSR, wed_irq_mask);

		mtk_wed_device_start_hw_rro(&dev->mt76.mmio.wed, wed_irq_mask,

					    false);

		mt7996_irq_enable(dev, wed_irq_mask);

		mt7996_irq_disable(dev, 0);

	}



	if (mtk_wed_device_active(&dev->mt76.mmio.wed_hif2)) {

		mt76_wr(dev, MT_INT_PCIE1_MASK_CSR,

			MT_INT_TX_RX_DONE_EXT);

		mtk_wed_device_start(&dev->mt76.mmio.wed_hif2,

				     MT_INT_TX_RX_DONE_EXT);

	}



	/* set the necessary init items */

	ret = mt7996_mcu_set_eeprom(dev);

	if (ret)
@@ -2125,6 +2151,10 @@ void mt7996_mac_reset_work(struct work_struct *work) 


		mt76_wr(dev, MT_INT_MASK_CSR, wed_irq_mask);



		if (is_mt7992(&dev->mt76) && dev->has_rro)

			mt76_wr(dev, MT_RRO_3_0_EMU_CONF,

				MT_RRO_3_0_EMU_CONF_EN_MASK);



		mtk_wed_device_start_hw_rro(&dev->mt76.mmio.wed, wed_irq_mask,

					    true);

		mt7996_irq_enable(dev, wed_irq_mask);

drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h

+1 −0
Original line number Diff line number Diff line
@@ -569,6 +569,7 @@ extern struct pci_driver mt7996_hif_driver; 


struct mt7996_dev *mt7996_mmio_probe(struct device *pdev,

				     void __iomem *mem_base, u32 device_id);

void mt7996_rro_hw_init(struct mt7996_dev *dev);

void mt7996_wfsys_reset(struct mt7996_dev *dev);

irqreturn_t mt7996_irq_handler(int irq, void *dev_instance);

u64 __mt7996_get_tsf(struct ieee80211_hw *hw, struct mt7996_vif_link *link);