1 files changed, 702 insertions, 0 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
new file mode 100644
index 000000000000..aadf56e80bae
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -0,0 +1,702 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include <linux/etherdevice.h>
+#include "mt7915.h"
+#include "mac.h"
+#include "eeprom.h"
+
+static void
+mt7915_mac_init_band(struct mt7915_dev *dev, u8 band)
+{
+	u32 mask, set;
+
+	mt76_rmw_field(dev, MT_TMAC_CTCR0(band),
+		       MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
+	mt76_set(dev, MT_TMAC_CTCR0(band),
+		 MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
+		 MT_TMAC_CTCR0_INS_DDLMT_EN);
+
+	mask = MT_MDP_RCFR0_MCU_RX_MGMT |
+	       MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR |
+	       MT_MDP_RCFR0_MCU_RX_CTL_BAR;
+	set = FIELD_PREP(MT_MDP_RCFR0_MCU_RX_MGMT, MT_MDP_TO_HIF) |
+	      FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR, MT_MDP_TO_HIF) |
+	      FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_BAR, MT_MDP_TO_HIF);
+	mt76_rmw(dev, MT_MDP_BNRCFR0(band), mask, set);
+
+	mask = MT_MDP_RCFR1_MCU_RX_BYPASS |
+	       MT_MDP_RCFR1_RX_DROPPED_UCAST |
+	       MT_MDP_RCFR1_RX_DROPPED_MCAST;
+	set = FIELD_PREP(MT_MDP_RCFR1_MCU_RX_BYPASS, MT_MDP_TO_HIF) |
+	      FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_UCAST, MT_MDP_TO_HIF) |
+	      FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF);
+	mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set);
+
+	mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
+	mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
+}
+
+static void mt7915_mac_init(struct mt7915_dev *dev)
+{
+	int i;
+
+	mt76_rmw_field(dev, MT_DMA_DCR0, MT_DMA_DCR0_MAX_RX_LEN, 1536);
+	mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536);
+	/* enable rx rate report */
+	mt76_set(dev, MT_DMA_DCR0, MT_DMA_DCR0_RXD_G5_EN);
+	/* disable hardware de-agg */
+	mt76_clear(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
+
+	for (i = 0; i < MT7915_WTBL_SIZE; i++)
+		mt7915_mac_wtbl_update(dev, i,
+				       MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+
+	mt7915_mac_init_band(dev, 0);
+	mt7915_mac_init_band(dev, 1);
+	mt7915_mcu_set_rts_thresh(&dev->phy, 0x92b);
+}
+
+static int mt7915_txbf_init(struct mt7915_dev *dev)
+{
+	int ret;
+
+	/*
+	 * TODO: DBDC & check whether iBF phase calibration data has
+	 * been stored in eeprom offset 0x651~0x7b8, then write down
+	 * 0x1111 into 0x651 and 0x651 to trigger iBF.
+	 */
+
+	/* trigger sounding packets */
+	ret = mt7915_mcu_set_txbf_sounding(dev);
+	if (ret)
+		return ret;
+
+	/* enable iBF & eBF */
+	return mt7915_mcu_set_txbf_type(dev);
+}
+
+static void
+mt7915_init_txpower_band(struct mt7915_dev *dev,
+			 struct ieee80211_supported_band *sband)
+{
+	int i, n_chains = hweight8(dev->mphy.antenna_mask);
+
+	for (i = 0; i < sband->n_channels; i++) {
+		struct ieee80211_channel *chan = &sband->channels[i];
+		u32 target_power = 0;
+		int j;
+
+		for (j = 0; j < n_chains; j++) {
+			u32 val;
+
+			val = mt7915_eeprom_get_target_power(dev, chan, j);
+			target_power = max(target_power, val);
+		}
+
+		chan->max_power = min_t(int, chan->max_reg_power,
+					target_power / 2);
+		chan->orig_mpwr = target_power / 2;
+	}
+}
+
+static void mt7915_init_txpower(struct mt7915_dev *dev)
+{
+	mt7915_init_txpower_band(dev, &dev->mphy.sband_2g.sband);
+	mt7915_init_txpower_band(dev, &dev->mphy.sband_5g.sband);
+
+	mt7915_eeprom_init_sku(dev);
+}
+
+static void mt7915_init_work(struct work_struct *work)
+{
+	struct mt7915_dev *dev = container_of(work, struct mt7915_dev,
+				 init_work);
+
+	mt7915_mcu_set_eeprom(dev);
+	mt7915_mac_init(dev);
+	mt7915_init_txpower(dev);
+	mt7915_txbf_init(dev);
+}
+
+static int mt7915_init_hardware(struct mt7915_dev *dev)
+{
+	int ret, idx;
+
+	mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);
+
+	INIT_WORK(&dev->init_work, mt7915_init_work);
+	spin_lock_init(&dev->token_lock);
+	idr_init(&dev->token);
+
+	ret = mt7915_dma_init(dev);
+	if (ret)
+		return ret;
+
+	set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
+
+	ret = mt7915_mcu_init(dev);
+	if (ret)
+		return ret;
+
+	ret = mt7915_eeprom_init(dev);
+	if (ret < 0)
+		return ret;
+
+	/* Beacon and mgmt frames should occupy wcid 0 */
+	idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA - 1);
+	if (idx)
+		return -ENOSPC;
+
+	dev->mt76.global_wcid.idx = idx;
+	dev->mt76.global_wcid.hw_key_idx = -1;
+	dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
+	rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
+
+	return 0;
+}
+
+#define CCK_RATE(_idx, _rate) {						\
+	.bitrate = _rate,						\
+	.flags = IEEE80211_RATE_SHORT_PREAMBLE,				\
+	.hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx),			\
+	.hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + (_idx)),	\
+}
+
+#define OFDM_RATE(_idx, _rate) {					\
+	.bitrate = _rate,						\
+	.hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx),			\
+	.hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx),		\
+}
+
+static struct ieee80211_rate mt7915_rates[] = {
+	CCK_RATE(0, 10),
+	CCK_RATE(1, 20),
+	CCK_RATE(2, 55),
+	CCK_RATE(3, 110),
+	OFDM_RATE(11, 60),
+	OFDM_RATE(15, 90),
+	OFDM_RATE(10, 120),
+	OFDM_RATE(14, 180),
+	OFDM_RATE(9,  240),
+	OFDM_RATE(13, 360),
+	OFDM_RATE(8,  480),
+	OFDM_RATE(12, 540),
+};
+
+static const struct ieee80211_iface_limit if_limits[] = {
+	{
+		.max = 1,
+		.types = BIT(NL80211_IFTYPE_ADHOC)
+	}, {
+		.max = MT7915_MAX_INTERFACES,
+		.types = BIT(NL80211_IFTYPE_AP) |
+#ifdef CONFIG_MAC80211_MESH
+			 BIT(NL80211_IFTYPE_MESH_POINT) |
+#endif
+			 BIT(NL80211_IFTYPE_STATION)
+	}
+};
+
+static const struct ieee80211_iface_combination if_comb[] = {
+	{
+		.limits = if_limits,
+		.n_limits = ARRAY_SIZE(if_limits),
+		.max_interfaces = 4,
+		.num_different_channels = 1,
+		.beacon_int_infra_match = true,
+		.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+				       BIT(NL80211_CHAN_WIDTH_20) |
+				       BIT(NL80211_CHAN_WIDTH_40) |
+				       BIT(NL80211_CHAN_WIDTH_80) |
+				       BIT(NL80211_CHAN_WIDTH_160) |
+				       BIT(NL80211_CHAN_WIDTH_80P80),
+	}
+};
+
+static void
+mt7915_regd_notifier(struct wiphy *wiphy,
+		     struct regulatory_request *request)
+{
+	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+	struct mt76_phy *mphy = hw->priv;
+	struct mt7915_phy *phy = mphy->priv;
+	struct cfg80211_chan_def *chandef = &mphy->chandef;
+
+	dev->mt76.region = request->dfs_region;
+
+	if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR))
+		return;
+
+	mt7915_dfs_init_radar_detector(phy);
+}
+
+static void
+mt7915_init_wiphy(struct ieee80211_hw *hw)
+{
+	struct mt7915_phy *phy = mt7915_hw_phy(hw);
+	struct wiphy *wiphy = hw->wiphy;
+
+	hw->queues = 4;
+	hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
+	hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
+
+	phy->slottime = 9;
+
+	hw->sta_data_size = sizeof(struct mt7915_sta);
+	hw->vif_data_size = sizeof(struct mt7915_vif);
+
+	wiphy->iface_combinations = if_comb;
+	wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
+	wiphy->reg_notifier = mt7915_regd_notifier;
+	wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
+
+	wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
+
+	ieee80211_hw_set(hw, HAS_RATE_CONTROL);
+
+	hw->max_tx_fragments = 4;
+}
+
+void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy)
+{
+	int nss = hweight8(phy->chainmask);
+	u32 *cap = &phy->mt76->sband_5g.sband.vht_cap.cap;
+
+	*cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
+		IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
+		(3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
+
+	*cap &= ~(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK |
+		  IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
+		  IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
+
+	if (nss < 2)
+		return;
+
+	*cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
+		IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE |
+		FIELD_PREP(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
+			   nss - 1);
+}
+
+static void
+mt7915_set_stream_he_txbf_caps(struct ieee80211_sta_he_cap *he_cap,
+			       int vif, int nss)
+{
+	struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
+	struct ieee80211_he_mcs_nss_supp *mcs = &he_cap->he_mcs_nss_supp;
+	u8 c;
+
+#ifdef CONFIG_MAC80211_MESH
+	if (vif == NL80211_IFTYPE_MESH_POINT)
+		return;
+#endif
+
+	elem->phy_cap_info[3] &= ~IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
+	elem->phy_cap_info[4] &= ~IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
+
+	c = IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK |
+	    IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK;
+	elem->phy_cap_info[5] &= ~c;
+
+	c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB |
+	    IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB;
+	elem->phy_cap_info[6] &= ~c;
+
+	elem->phy_cap_info[7] &= ~IEEE80211_HE_PHY_CAP7_MAX_NC_MASK;
+
+	c = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
+	    IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
+	    IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
+	elem->phy_cap_info[2] |= c;
+
+	c = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE |
+	    IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 |
+	    IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4;
+	elem->phy_cap_info[4] |= c;
+
+	/* do not support NG16 due to spec D4.0 changes subcarrier idx */
+	c = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU |
+	    IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU;
+
+	if (vif == NL80211_IFTYPE_STATION)
+		c |= IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO;
+
+	elem->phy_cap_info[6] |= c;
+
+	if (nss < 2)
+		return;
+
+	if (vif != NL80211_IFTYPE_AP)
+		return;
+
+	elem->phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
+	elem->phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
+
+	/* num_snd_dim */
+	c = (nss - 1) | (max_t(int, mcs->tx_mcs_160, 1) << 3);
+	elem->phy_cap_info[5] |= c;
+
+	c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB |
+	    IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB;
+	elem->phy_cap_info[6] |= c;
+
+	/* the maximum cap is 4 x 3, (Nr, Nc) = (3, 2) */
+	elem->phy_cap_info[7] |= min_t(int, nss - 1, 2) << 3;
+}
+
+static void
+mt7915_gen_ppe_thresh(u8 *he_ppet)
+{
+	int ru, nss, max_nss = 1, max_ru = 3;
+	u8 bit = 7, ru_bit_mask = 0x7;
+	u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71};
+
+	he_ppet[0] = max_nss & IEEE80211_PPE_THRES_NSS_MASK;
+	he_ppet[0] |= (ru_bit_mask <<
+		       IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS) &
+			IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK;
+
+	for (nss = 0; nss <= max_nss; nss++) {
+		for (ru = 0; ru < max_ru; ru++) {
+			u8 val;
+			int i;
+
+			if (!(ru_bit_mask & BIT(ru)))
+				continue;
+
+			val = (ppet16_ppet8_ru3_ru0[nss] >> (ru * 6)) &
+			       0x3f;
+			val = ((val >> 3) & 0x7) | ((val & 0x7) << 3);
+			for (i = 5; i >= 0; i--) {
+				he_ppet[bit / 8] |=
+					((val >> i) & 0x1) << ((bit % 8));
+				bit++;
+			}
+		}
+	}
+}
+
+static int
+mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band,
+		    struct ieee80211_sband_iftype_data *data)
+{
+	int i, idx = 0;
+	int nss = hweight8(phy->chainmask);
+	u16 mcs_map = 0;
+
+	for (i = 0; i < 8; i++) {
+		if (i < nss)
+			mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
+		else
+			mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
+	}
+
+	for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
+		struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
+		struct ieee80211_he_cap_elem *he_cap_elem =
+				&he_cap->he_cap_elem;
+		struct ieee80211_he_mcs_nss_supp *he_mcs =
+				&he_cap->he_mcs_nss_supp;
+
+		switch (i) {
+		case NL80211_IFTYPE_STATION:
+		case NL80211_IFTYPE_AP:
+#ifdef CONFIG_MAC80211_MESH
+		case NL80211_IFTYPE_MESH_POINT:
+#endif
+			break;
+		default:
+			continue;
+		}
+
+		data[idx].types_mask = BIT(i);
+		he_cap->has_he = true;
+
+		he_cap_elem->mac_cap_info[0] =
+			IEEE80211_HE_MAC_CAP0_HTC_HE;
+		he_cap_elem->mac_cap_info[1] =
+			IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US |
+			IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1;
+		he_cap_elem->mac_cap_info[2] =
+			IEEE80211_HE_MAC_CAP2_BSR;
+		he_cap_elem->mac_cap_info[3] =
+			IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
+			IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED;
+		he_cap_elem->mac_cap_info[4] =
+			IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU;
+
+		if (band == NL80211_BAND_2GHZ)
+			he_cap_elem->phy_cap_info[0] =
+				IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
+		else if (band == NL80211_BAND_5GHZ)
+			he_cap_elem->phy_cap_info[0] =
+				IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
+				IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G |
+				IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
+
+		he_cap_elem->phy_cap_info[1] =
+			IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
+		he_cap_elem->phy_cap_info[2] =
+			IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
+			IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ;
+
+		/* TODO: OFDMA */
+
+		switch (i) {
+		case NL80211_IFTYPE_AP:
+			he_cap_elem->mac_cap_info[0] |=
+				IEEE80211_HE_MAC_CAP0_TWT_RES;
+			he_cap_elem->mac_cap_info[4] |=
+				IEEE80211_HE_MAC_CAP4_BQR;
+			he_cap_elem->phy_cap_info[3] |=
+				IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
+				IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
+			he_cap_elem->phy_cap_info[6] |=
+				IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
+			he_cap_elem->phy_cap_info[9] |=
+				IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
+			break;
+		case NL80211_IFTYPE_STATION:
+			he_cap_elem->mac_cap_info[0] |=
+				IEEE80211_HE_MAC_CAP0_TWT_REQ;
+			he_cap_elem->mac_cap_info[3] |=
+				IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED;
+
+			if (band == NL80211_BAND_2GHZ)
+				he_cap_elem->phy_cap_info[0] |=
+					IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;
+			else if (band == NL80211_BAND_5GHZ)
+				he_cap_elem->phy_cap_info[0] |=
+					IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;
+
+			he_cap_elem->phy_cap_info[1] |=
+				IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A;
+			he_cap_elem->phy_cap_info[8] |=
+				IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
+				IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
+				IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU;
+			he_cap_elem->phy_cap_info[9] |=
+				IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU;
+			break;
+#ifdef CONFIG_MAC80211_MESH
+		case NL80211_IFTYPE_MESH_POINT:
+			break;
+#endif
+		}
+
+		he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
+		he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
+		he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map);
+		he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map);
+		he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map);
+		he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map);
+
+		mt7915_set_stream_he_txbf_caps(he_cap, i, nss);
+
+		memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
+		if (he_cap_elem->phy_cap_info[6] &
+		    IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
+			mt7915_gen_ppe_thresh(he_cap->ppe_thres);
+		} else {
+			he_cap_elem->phy_cap_info[9] |=
+				IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US;
+		}
+		idx++;
+	}
+
+	return idx;
+}
+
+void mt7915_set_stream_he_caps(struct mt7915_phy *phy)
+{
+	struct ieee80211_sband_iftype_data *data;
+	struct ieee80211_supported_band *band;
+	struct mt76_dev *mdev = &phy->dev->mt76;
+	int n;
+
+	if (mdev->cap.has_2ghz) {
+		data = phy->iftype[NL80211_BAND_2GHZ];
+		n = mt7915_init_he_caps(phy, NL80211_BAND_2GHZ, data);
+
+		band = &phy->mt76->sband_2g.sband;
+		band->iftype_data = data;
+		band->n_iftype_data = n;
+	}
+
+	if (mdev->cap.has_5ghz) {
+		data = phy->iftype[NL80211_BAND_5GHZ];
+		n = mt7915_init_he_caps(phy, NL80211_BAND_5GHZ, data);
+
+		band = &phy->mt76->sband_5g.sband;
+		band->iftype_data = data;
+		band->n_iftype_data = n;
+	}
+}
+
+static void
+mt7915_cap_dbdc_enable(struct mt7915_dev *dev)
+{
+	dev->mphy.sband_5g.sband.vht_cap.cap &=
+			~(IEEE80211_VHT_CAP_SHORT_GI_160 |
+			  IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ);
+
+	if (dev->chainmask == 0xf)
+		dev->mphy.antenna_mask = dev->chainmask >> 2;
+	else
+		dev->mphy.antenna_mask = dev->chainmask >> 1;
+
+	dev->phy.chainmask = dev->mphy.antenna_mask;
+	dev->mphy.hw->wiphy->available_antennas_rx = dev->phy.chainmask;
+	dev->mphy.hw->wiphy->available_antennas_tx = dev->phy.chainmask;
+
+	mt76_set_stream_caps(&dev->mphy, true);
+	mt7915_set_stream_vht_txbf_caps(&dev->phy);
+	mt7915_set_stream_he_caps(&dev->phy);
+}
+
+static void
+mt7915_cap_dbdc_disable(struct mt7915_dev *dev)
+{
+	dev->mphy.sband_5g.sband.vht_cap.cap |=
+			IEEE80211_VHT_CAP_SHORT_GI_160 |
+			IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
+
+	dev->mphy.antenna_mask = dev->chainmask;
+	dev->phy.chainmask = dev->chainmask;
+	dev->mphy.hw->wiphy->available_antennas_rx = dev->chainmask;
+	dev->mphy.hw->wiphy->available_antennas_tx = dev->chainmask;
+
+	mt76_set_stream_caps(&dev->mphy, true);
+	mt7915_set_stream_vht_txbf_caps(&dev->phy);
+	mt7915_set_stream_he_caps(&dev->phy);
+}
+
+int mt7915_register_ext_phy(struct mt7915_dev *dev)
+{
+	struct mt7915_phy *phy = mt7915_ext_phy(dev);
+	struct mt76_phy *mphy;
+	int ret;
+	bool bound;
+
+	/* TODO: enble DBDC */
+	bound = mt7915_l1_rr(dev, MT_HW_BOUND) & BIT(5);
+	if (!bound)
+		return -EINVAL;
+
+	if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
+		return -EINVAL;
+
+	if (phy)
+		return 0;
+
+	mt7915_cap_dbdc_enable(dev);
+	mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7915_ops);
+	if (!mphy)
+		return -ENOMEM;
+
+	phy = mphy->priv;
+	phy->dev = dev;
+	phy->mt76 = mphy;
+	phy->chainmask = dev->chainmask & ~dev->phy.chainmask;
+	mphy->antenna_mask = BIT(hweight8(phy->chainmask)) - 1;
+	mt7915_init_wiphy(mphy->hw);
+
+	INIT_DELAYED_WORK(&phy->mac_work, mt7915_mac_work);
+
+	/*
+	 * Make the secondary PHY MAC address local without overlapping with
+	 * the usual MAC address allocation scheme on multiple virtual interfaces
+	 */
+	mphy->hw->wiphy->perm_addr[0] |= 2;
+	mphy->hw->wiphy->perm_addr[0] ^= BIT(7);
+
+	/* The second interface does not get any packets unless it has a vif */
+	ieee80211_hw_set(mphy->hw, WANT_MONITOR_VIF);
+
+	ret = mt76_register_phy(mphy);
+	if (ret)
+		ieee80211_free_hw(mphy->hw);
+
+	return ret;
+}
+
+void mt7915_unregister_ext_phy(struct mt7915_dev *dev)
+{
+	struct mt7915_phy *phy = mt7915_ext_phy(dev);
+	struct mt76_phy *mphy = dev->mt76.phy2;
+
+	if (!phy)
+		return;
+
+	mt7915_cap_dbdc_disable(dev);
+	mt76_unregister_phy(mphy);
+	ieee80211_free_hw(mphy->hw);
+}
+
+int mt7915_register_device(struct mt7915_dev *dev)
+{
+	struct ieee80211_hw *hw = mt76_hw(dev);
+	int ret;
+
+	dev->phy.dev = dev;
+	dev->phy.mt76 = &dev->mt76.phy;
+	dev->mt76.phy.priv = &dev->phy;
+	INIT_DELAYED_WORK(&dev->phy.mac_work, mt7915_mac_work);
+	INIT_LIST_HEAD(&dev->sta_poll_list);
+	spin_lock_init(&dev->sta_poll_lock);
+
+	init_waitqueue_head(&dev->reset_wait);
+	INIT_WORK(&dev->reset_work, mt7915_mac_reset_work);
+
+	ret = mt7915_init_hardware(dev);
+	if (ret)
+		return ret;
+
+	mt7915_init_wiphy(hw);
+	dev->mphy.sband_2g.sband.ht_cap.cap |=
+			IEEE80211_HT_CAP_LDPC_CODING |
+			IEEE80211_HT_CAP_MAX_AMSDU;
+	dev->mphy.sband_5g.sband.ht_cap.cap |=
+			IEEE80211_HT_CAP_LDPC_CODING |
+			IEEE80211_HT_CAP_MAX_AMSDU;
+	dev->mphy.sband_5g.sband.vht_cap.cap |=
+			IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
+			IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
+	mt7915_cap_dbdc_disable(dev);
+	dev->phy.dfs_state = -1;
+
+	ret = mt76_register_device(&dev->mt76, true, mt7915_rates,
+				   ARRAY_SIZE(mt7915_rates));
+	if (ret)
+		return ret;
+
+	ieee80211_queue_work(mt76_hw(dev), &dev->init_work);
+
+	return mt7915_init_debugfs(dev);
+}
+
+void mt7915_unregister_device(struct mt7915_dev *dev)
+{
+	struct mt76_txwi_cache *txwi;
+	int id;
+
+	mt7915_unregister_ext_phy(dev);
+	mt76_unregister_device(&dev->mt76);
+	mt7915_mcu_exit(dev);
+	mt7915_dma_cleanup(dev);
+
+	spin_lock_bh(&dev->token_lock);
+	idr_for_each_entry(&dev->token, txwi, id) {
+		mt7915_txp_skb_unmap(&dev->mt76, txwi);
+		if (txwi->skb)
+			dev_kfree_skb_any(txwi->skb);
+		mt76_put_txwi(&dev->mt76, txwi);
+	}
+	spin_unlock_bh(&dev->token_lock);
+	idr_destroy(&dev->token);
+
+	mt76_free_device(&dev->mt76);
+}