mt76: mt7615: initialize dbdc settings on interface add

Use the first two WMM slots for the primary phy and the second two for the
secondary phy.
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7615/main.c

@@ -121,6 +121,10 @@ static int mt7615_add_interface(struct ieee80211_hw *hw,
 	mvif->omac_idx = idx;
 
 	mvif->band_idx = ext_phy;
+	if (mt7615_ext_phy(dev))
+		mvif->wmm_idx = ext_phy * (MT7615_MAX_WMM_SETS / 2) +
+				mvif->idx % (MT7615_MAX_WMM_SETS / 2);
+	else
 		mvif->wmm_idx = mvif->idx % MT7615_MAX_WMM_SETS;
 
 	ret = mt7615_mcu_set_dev_info(dev, vif, 1);
@@ -129,6 +133,10 @@ static int mt7615_add_interface(struct ieee80211_hw *hw,
 
 	dev->vif_mask |= BIT(mvif->idx);
 	dev->omac_mask |= BIT(mvif->omac_idx);
+	phy->omac_mask |= BIT(mvif->omac_idx);
+
+	mt7615_mcu_set_dbdc(dev);
+
 	idx = MT7615_WTBL_RESERVED - mvif->idx;
 
 	INIT_LIST_HEAD(&mvif->sta.poll_list);
@@ -155,6 +163,7 @@ static void mt7615_remove_interface(struct ieee80211_hw *hw,
 	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
 	struct mt7615_sta *msta = &mvif->sta;
 	struct mt7615_dev *dev = mt7615_hw_dev(hw);
+	struct mt7615_phy *phy = mt7615_hw_phy(hw);
 	int idx = msta->wcid.idx;
 
 	/* TODO: disable beacon for the bss */
@@ -167,6 +176,7 @@ static void mt7615_remove_interface(struct ieee80211_hw *hw,
 	mutex_lock(&dev->mt76.mutex);
 	dev->vif_mask &= ~BIT(mvif->idx);
 	dev->omac_mask &= ~BIT(mvif->omac_idx);
+	phy->omac_mask &= ~BIT(mvif->omac_idx);
 	mutex_unlock(&dev->mt76.mutex);
 
 	spin_lock_bh(&dev->sta_poll_lock);

drivers/net/wireless/mediatek/mt76/mt7615/mcu.c

@@ -717,6 +717,65 @@ int mt7615_mcu_ctrl_pm_state(struct mt7615_dev *dev, int band, int enter)
 				   &req, sizeof(req), true);
 }
 
+int mt7615_mcu_set_dbdc(struct mt7615_dev *dev)
+{
+	struct mt7615_phy *ext_phy = mt7615_ext_phy(dev);
+	struct dbdc_entry {
+		u8 type;
+		u8 index;
+		u8 band;
+		u8 _rsv;
+	};
+	struct {
+		u8 enable;
+		u8 num;
+		u8 _rsv[2];
+		struct dbdc_entry entry[64];
+	} req = {
+		.enable = !!ext_phy,
+	};
+	int i;
+
+	if (!ext_phy)
+		goto out;
+
+#define ADD_DBDC_ENTRY(_type, _idx, _band)		\
+	do { \
+		req.entry[req.num].type = _type;		\
+		req.entry[req.num].index = _idx;		\
+		req.entry[req.num++].band = _band;		\
+	} while (0)
+
+	for (i = 0; i < 4; i++) {
+		bool band = !!(ext_phy->omac_mask & BIT(i));
+
+		ADD_DBDC_ENTRY(DBDC_TYPE_BSS, i, band);
+	}
+
+	for (i = 0; i < 14; i++) {
+		bool band = !!(ext_phy->omac_mask & BIT(0x11 + i));
+
+		ADD_DBDC_ENTRY(DBDC_TYPE_MBSS, i, band);
+	}
+
+	ADD_DBDC_ENTRY(DBDC_TYPE_MU, 0, 1);
+
+	for (i = 0; i < 3; i++)
+		ADD_DBDC_ENTRY(DBDC_TYPE_BF, i, 1);
+
+	ADD_DBDC_ENTRY(DBDC_TYPE_WMM, 0, 0);
+	ADD_DBDC_ENTRY(DBDC_TYPE_WMM, 1, 0);
+	ADD_DBDC_ENTRY(DBDC_TYPE_WMM, 2, 1);
+	ADD_DBDC_ENTRY(DBDC_TYPE_WMM, 3, 1);
+
+	ADD_DBDC_ENTRY(DBDC_TYPE_MGMT, 0, 0);
+	ADD_DBDC_ENTRY(DBDC_TYPE_MGMT, 1, 1);
+
+out:
+	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_DBDC_CTRL,
+				   &req, sizeof(req), true);
+}
+
 int mt7615_mcu_set_dev_info(struct mt7615_dev *dev,
 			    struct ieee80211_vif *vif, bool enable)
 {

drivers/net/wireless/mediatek/mt76/mt7615/mcu.h

@@ -148,6 +148,7 @@ enum {
 	MCU_EXT_CMD_WTBL_UPDATE = 0x32,
 	MCU_EXT_CMD_SET_RDD_CTRL = 0x3a,
 	MCU_EXT_CMD_PROTECT_CTRL = 0x3e,
+	MCU_EXT_CMD_DBDC_CTRL = 0x45,
 	MCU_EXT_CMD_MAC_INIT_CTRL = 0x46,
 	MCU_EXT_CMD_BCN_OFFLOAD = 0x49,
 	MCU_EXT_CMD_SET_RX_PATH = 0x4e,
@@ -202,6 +203,18 @@ enum {
 	DEV_INFO_MAX_NUM
 };
 
+enum {
+	DBDC_TYPE_WMM,
+	DBDC_TYPE_MGMT,
+	DBDC_TYPE_BSS,
+	DBDC_TYPE_MBSS,
+	DBDC_TYPE_REPEATER,
+	DBDC_TYPE_MU,
+	DBDC_TYPE_BF,
+	DBDC_TYPE_PTA,
+	__DBDC_TYPE_MAX,
+};
+
 struct bss_info_omac {
 	__le16 tag;
 	__le16 len;

drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h

@@ -88,6 +88,7 @@ struct mt7615_phy {
 	struct mt7615_dev *dev;
 
 	u32 rxfilter;
+	u32 omac_mask;
 
 	unsigned long last_cca_adj;
 	int false_cca_ofdm, false_cca_cck;
@@ -285,6 +286,7 @@ int mt7615_mac_wtbl_set_key(struct mt7615_dev *dev, struct mt76_wcid *wcid,
 			    struct ieee80211_key_conf *key,
 			    enum set_key_cmd cmd);
 
+int mt7615_mcu_set_dbdc(struct mt7615_dev *dev);
 int mt7615_mcu_set_eeprom(struct mt7615_dev *dev);
 int mt7615_mcu_init_mac(struct mt7615_dev *dev);
 int mt7615_mcu_set_rts_thresh(struct mt7615_phy *phy, u32 val);

drivers/net/wireless/mediatek/mt76/mt7615/regs.h

@@ -121,6 +121,15 @@
 #define MT_CFG_CCR_MAC_D1_2X_GC_EN	BIT(30)
 #define MT_CFG_CCR_MAC_D0_2X_GC_EN	BIT(31)
 
+#define MT_DBDC_CTRL0			MT_WF_CFG(0x050)
+#define MT_DBDC_CTRL0_OMAC_00_04	GENMASK(4, 0)
+#define MT_DBDC_CTRL0_OMAC_11_1F	GENMASK(19, 5)
+#define MT_DBDC_CTRL0_MGMT		GENMASK(21, 20)
+#define MT_DBDC_CTRL0_WMM		GENMASK(25, 22)
+#define MT_DBDC_CTRL0_DBDC_EN		BIT(31)
+
+#define MT_DBDC_CTRL1			MT_WF_CFG(0x054)
+
 #define MT_WF_AGG_BASE			0x20a00
 #define MT_WF_AGG(ofs)			(MT_WF_AGG_BASE + (ofs))