[][MAC80211][mt76][update mt76 patches for WiFi 7]
[Description]
Add mt76 patches for WiFi 7.
[Release-log]
N/A
Change-Id: I112af10d6f6530d48c8778d469188110ae4e13dc
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/7621537
diff --git a/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/patches/0030-wifi-mt76-mt7996-add-support-for-auxiliary-path.patch b/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/patches/0030-wifi-mt76-mt7996-add-support-for-auxiliary-path.patch
new file mode 100644
index 0000000..798eb69
--- /dev/null
+++ b/autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/patches/0030-wifi-mt76-mt7996-add-support-for-auxiliary-path.patch
@@ -0,0 +1,138 @@
+From 7390e5db3745febd580026e723b2ca806e308008 Mon Sep 17 00:00:00 2001
+From: Shayne Chen <shayne.chen@mediatek.com>
+Date: Fri, 14 Apr 2023 16:51:59 +0800
+Subject: [PATCH 30/39] wifi: mt76: mt7996: add support for auxiliary path
+
+Add support to correctly configure the setting of variants that have
+additional TX or RX path.
+
+Change-Id: I1312c193beab5e16aae7161a7e3bdda100b72f8d
+Signed-off-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
+Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
+---
+ mt7996/eeprom.c | 21 +++++++++++++++++----
+ mt7996/eeprom.h | 3 +++
+ mt7996/mcu.c | 2 +-
+ mt7996/mt7996.h | 14 ++++++++++++++
+ 4 files changed, 35 insertions(+), 5 deletions(-)
+
+diff --git a/mt7996/eeprom.c b/mt7996/eeprom.c
+index f5e9546..9840c77 100644
+--- a/mt7996/eeprom.c
++++ b/mt7996/eeprom.c
+@@ -171,36 +171,49 @@ static int mt7996_eeprom_parse_band_config(struct mt7996_phy *phy)
+
+ int mt7996_eeprom_parse_hw_cap(struct mt7996_dev *dev, struct mt7996_phy *phy)
+ {
+- u8 path, nss, band_idx = phy->mt76->band_idx;
++ u8 path, rx_path, nss, band_idx = phy->mt76->band_idx;
+ u8 *eeprom = dev->mt76.eeprom.data;
+ struct mt76_phy *mphy = phy->mt76;
++ int max_path = 5, max_nss = 4;
+ int ret;
+
+ switch (band_idx) {
+ case MT_BAND1:
+ path = FIELD_GET(MT_EE_WIFI_CONF2_TX_PATH_BAND1,
+ eeprom[MT_EE_WIFI_CONF + 2]);
++ rx_path = FIELD_GET(MT_EE_WIFI_CONF3_RX_PATH_BAND1,
++ eeprom[MT_EE_WIFI_CONF + 3]);
+ nss = FIELD_GET(MT_EE_WIFI_CONF5_STREAM_NUM_BAND1,
+ eeprom[MT_EE_WIFI_CONF + 5]);
+ break;
+ case MT_BAND2:
+ path = FIELD_GET(MT_EE_WIFI_CONF2_TX_PATH_BAND2,
+ eeprom[MT_EE_WIFI_CONF + 2]);
++ rx_path = FIELD_GET(MT_EE_WIFI_CONF4_RX_PATH_BAND2,
++ eeprom[MT_EE_WIFI_CONF + 4]);
+ nss = FIELD_GET(MT_EE_WIFI_CONF5_STREAM_NUM_BAND2,
+ eeprom[MT_EE_WIFI_CONF + 5]);
+ break;
+ default:
+ path = FIELD_GET(MT_EE_WIFI_CONF1_TX_PATH_BAND0,
+ eeprom[MT_EE_WIFI_CONF + 1]);
++ rx_path = FIELD_GET(MT_EE_WIFI_CONF3_RX_PATH_BAND0,
++ eeprom[MT_EE_WIFI_CONF + 3]);
+ nss = FIELD_GET(MT_EE_WIFI_CONF4_STREAM_NUM_BAND0,
+ eeprom[MT_EE_WIFI_CONF + 4]);
+ break;
+ }
+
+- if (!path || path > 4)
+- path = 4;
++ if (!path || path > max_path)
++ path = max_path;
+
+- nss = min_t(u8, min_t(u8, 4, nss), path);
++ if (!nss || nss > max_nss)
++ nss = max_nss;
++
++ nss = min_t(u8, nss, path);
++
++ if (path != rx_path)
++ phy->has_aux_rx = true;
+
+ mphy->antenna_mask = BIT(nss) - 1;
+ mphy->chainmask = (BIT(path) - 1) << dev->chainshift[band_idx];
+diff --git a/mt7996/eeprom.h b/mt7996/eeprom.h
+index 0f8f0cd..9ea3667 100644
+--- a/mt7996/eeprom.h
++++ b/mt7996/eeprom.h
+@@ -34,6 +34,9 @@ enum mt7996_eeprom_field {
+ #define MT_EE_WIFI_CONF1_TX_PATH_BAND0 GENMASK(5, 3)
+ #define MT_EE_WIFI_CONF2_TX_PATH_BAND1 GENMASK(2, 0)
+ #define MT_EE_WIFI_CONF2_TX_PATH_BAND2 GENMASK(5, 3)
++#define MT_EE_WIFI_CONF3_RX_PATH_BAND0 GENMASK(2, 0)
++#define MT_EE_WIFI_CONF3_RX_PATH_BAND1 GENMASK(5, 3)
++#define MT_EE_WIFI_CONF4_RX_PATH_BAND2 GENMASK(2, 0)
+ #define MT_EE_WIFI_CONF4_STREAM_NUM_BAND0 GENMASK(5, 3)
+ #define MT_EE_WIFI_CONF5_STREAM_NUM_BAND1 GENMASK(2, 0)
+ #define MT_EE_WIFI_CONF5_STREAM_NUM_BAND2 GENMASK(5, 3)
+diff --git a/mt7996/mcu.c b/mt7996/mcu.c
+index 7b8f883..a2c1e43 100644
+--- a/mt7996/mcu.c
++++ b/mt7996/mcu.c
+@@ -3198,7 +3198,7 @@ int mt7996_mcu_set_chan_info(struct mt7996_phy *phy, u16 tag)
+ .center_ch = ieee80211_frequency_to_channel(freq1),
+ .bw = mt76_connac_chan_bw(chandef),
+ .tx_path_num = hweight16(phy->mt76->chainmask),
+- .rx_path = phy->mt76->chainmask >> dev->chainshift[band_idx],
++ .rx_path = mt7996_rx_chainmask(phy) >> dev->chainshift[band_idx],
+ .band_idx = band_idx,
+ .channel_band = ch_band[chandef->chan->band],
+ };
+diff --git a/mt7996/mt7996.h b/mt7996/mt7996.h
+index f7d6580..8e5b3c3 100644
+--- a/mt7996/mt7996.h
++++ b/mt7996/mt7996.h
+@@ -248,6 +248,8 @@ struct mt7996_phy {
+ struct mib_stats mib;
+ struct mt76_channel_state state_ts;
+
++ bool has_aux_rx;
++
+ #ifdef CONFIG_NL80211_TESTMODE
+ struct {
+ u32 *reg_backup;
+@@ -551,6 +553,18 @@ static inline void mt7996_irq_disable(struct mt7996_dev *dev, u32 mask)
+ void mt7996_memcpy_fromio(struct mt7996_dev *dev, void *buf, u32 offset,
+ size_t len);
+
++static inline u16 mt7996_rx_chainmask(struct mt7996_phy *phy)
++{
++ int max_nss = hweight8(phy->mt76->hw->wiphy->available_antennas_tx);
++ int cur_nss = hweight8(phy->mt76->antenna_mask);
++ u16 tx_chainmask = phy->mt76->chainmask;
++
++ if (cur_nss != max_nss)
++ return tx_chainmask;
++
++ return tx_chainmask | (BIT(fls(tx_chainmask)) * phy->has_aux_rx);
++}
++
+ void mt7996_mac_init(struct mt7996_dev *dev);
+ u32 mt7996_mac_wtbl_lmac_addr(struct mt7996_dev *dev, u16 wcid, u8 dw);
+ bool mt7996_mac_wtbl_update(struct mt7996_dev *dev, int idx, u32 mask);
+--
+2.18.0
+