[PATCH v2] mt76: mt7921: introduce 160 MHz channel bandwidth support

[Deren Wu]

From: Deren Wu <deren.wu at mediatek.com>

Introduce the basic configuration for chips with BW160 capability

Signed-off-by: Deren Wu <deren.wu at mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt76.h            |  1 +
 drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c |  1 +
 drivers/net/wireless/mediatek/mt76/mt7921/init.c     |  4 ++++
 drivers/net/wireless/mediatek/mt76/mt7921/main.c     | 12 ++++++++++++
 4 files changed, 18 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index e2da720a91b6..babca8086027 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -346,6 +346,7 @@ struct mt76_hw_cap {
 	bool has_2ghz;
 	bool has_5ghz;
 	bool has_6ghz;
+	bool has_bw160;
 };
 
 #define MT_DRV_TXWI_NO_FREE		BIT(0)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index 26b4b875dcc0..3b42e1e8e970 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -1775,6 +1775,7 @@ static void mt76_connac_mcu_parse_phy_cap(struct mt76_dev *dev,
 	dev->phy.chainmask = dev->phy.antenna_mask;
 	dev->phy.cap.has_2ghz = cap->hw_path & BIT(WF0_24G);
 	dev->phy.cap.has_5ghz = cap->hw_path & BIT(WF0_5G);
+	dev->phy.cap.has_bw160 = cap->max_bw == IEEE80211_STA_RX_BW_160;
 }
 
 int mt76_connac_mcu_get_nic_capability(struct mt76_phy *phy)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
index 210998f086ab..30c0246fba3a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c
@@ -264,6 +264,10 @@ int mt7921_register_device(struct mt7921_dev *dev)
 			IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
 			IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
 			(3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
+	if (dev->mt76.phy.cap.has_bw160)
+		dev->mphy.sband_5g.sband.vht_cap.cap |=
+			IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
+			IEEE80211_VHT_CAP_SHORT_GI_160;
 
 	dev->mphy.hw->wiphy->available_antennas_rx = dev->mphy.chainmask;
 	dev->mphy.hw->wiphy->available_antennas_tx = dev->mphy.chainmask;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
index 633c6d2a57ac..af8c675f909f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -128,11 +128,23 @@ mt7921_init_he_caps(struct mt7921_phy *phy, enum nl80211_band band,
 				IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU |
 				IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB |
 				IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB;
+
+			if (phy->mt76->cap.has_bw160) {
+				he_cap_elem->phy_cap_info[0] |=
+					IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
+				he_cap_elem->phy_cap_info[8] |=
+					IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
+					IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU;
+			}
 			break;
 		}
 
 		he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
 		he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
+		if (phy->mt76->cap.has_bw160) {
+			he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map);
+			he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map);
+		}
 
 		memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
 		if (he_cap_elem->phy_cap_info[6] &
-- 
2.18.0