recipes-wifi/linux-mt76/files/patches-3.x/1015-wifi-mt76-mt7996-add-single-sku.patch

From d07d8b3b246b974d7ae4ad9bdfc676438cb45fec Mon Sep 17 00:00:00 2001
From: "Allen.Ye" <allen.ye@mediatek.com>
Date: Mon, 10 Jul 2023 19:56:16 +0800
Subject: [PATCH 48/98] wifi: mt76: mt7996: add single sku

Add single sku and default enable sku.

Signed-off-by: Allen.Ye <allen.ye@mediatek.com>
---
 eeprom.c          | 50 +++++++++++++++++++++++---
 mt76.h            |  9 +++++
 mt76_connac_mcu.c |  2 +-
 mt7996/init.c     |  2 ++
 mt7996/main.c     | 16 +++++++++
 mt7996/mcu.c      | 92 +++++++++++++++++++++++++++++++++++++++++++++++
 mt7996/mcu.h      | 12 +++++++
 mt7996/mt7996.h   |  2 ++
 8 files changed, 179 insertions(+), 6 deletions(-)

diff --git a/eeprom.c b/eeprom.c
index 89bb913..bd662dd 100644
--- a/eeprom.c
+++ b/eeprom.c
@@ -356,6 +356,7 @@ mt76_apply_multi_array_limit(s8 *pwr, size_t pwr_len, s8 pwr_num,
 s8 mt76_get_rate_power_limits(struct mt76_phy *phy,
 			      struct ieee80211_channel *chan,
 			      struct mt76_power_limits *dest,
+			      struct mt76_power_path_limits *dest_path,
 			      s8 target_power)
 {
 	struct mt76_dev *dev = phy->dev;
@@ -363,16 +364,20 @@ s8 mt76_get_rate_power_limits(struct mt76_phy *phy,
 	const __be32 *val;
 	char name[16];
 	u32 mcs_rates = dev->drv->mcs_rates;
-	u32 ru_rates = ARRAY_SIZE(dest->ru[0]);
 	char band;
 	size_t len;
-	s8 max_power = 0;
+	s8 max_power = -127;
+	s8 max_power_backoff = -127;
 	s8 txs_delta;
+	int n_chains = hweight8(phy->antenna_mask);
+	s8 target_power_combine = target_power + mt76_tx_power_nss_delta(n_chains);
 
 	if (!mcs_rates)
-		mcs_rates = 10;
+		mcs_rates = 12;
 
 	memset(dest, target_power, sizeof(*dest));
+	if (dest_path != NULL)
+		memset(dest_path, 0, sizeof(*dest_path));
 
 	if (!IS_ENABLED(CONFIG_OF))
 		return target_power;
@@ -420,12 +425,47 @@ s8 mt76_get_rate_power_limits(struct mt76_phy *phy,
 				     ARRAY_SIZE(dest->mcs), val, len,
 				     target_power, txs_delta, &max_power);
 
-	val = mt76_get_of_array(np, "rates-ru", &len, ru_rates + 1);
+	val = mt76_get_of_array(np, "rates-ru", &len, ARRAY_SIZE(dest->ru[0]) + 1);
 	mt76_apply_multi_array_limit(dest->ru[0], ARRAY_SIZE(dest->ru[0]),
 				     ARRAY_SIZE(dest->ru), val, len,
 				     target_power, txs_delta, &max_power);
 
-	return max_power;
+	val = mt76_get_of_array(np, "rates-eht", &len, ARRAY_SIZE(dest->eht[0]) + 1);
+	mt76_apply_multi_array_limit(dest->eht[0], ARRAY_SIZE(dest->eht[0]),
+				     ARRAY_SIZE(dest->eht), val, len,
+				     target_power, txs_delta, &max_power);
+
+	if (dest_path == NULL)
+		return max_power;
+
+	max_power_backoff = max_power;
+
+	val = mt76_get_of_array(np, "paths-cck", &len, ARRAY_SIZE(dest_path->cck));
+	mt76_apply_array_limit(dest_path->cck, ARRAY_SIZE(dest_path->cck), val,
+			       target_power_combine, txs_delta, &max_power_backoff);
+
+	val = mt76_get_of_array(np, "paths-ofdm", &len, ARRAY_SIZE(dest_path->ofdm));
+	mt76_apply_array_limit(dest_path->ofdm, ARRAY_SIZE(dest_path->ofdm), val,
+			       target_power_combine, txs_delta, &max_power_backoff);
+
+	val = mt76_get_of_array(np, "paths-ofdm-bf", &len, ARRAY_SIZE(dest_path->ofdm_bf));
+	mt76_apply_array_limit(dest_path->ofdm_bf, ARRAY_SIZE(dest_path->ofdm_bf), val,
+			       target_power_combine, txs_delta, &max_power_backoff);
+
+	val = mt76_get_of_array(np, "paths-ru", &len, ARRAY_SIZE(dest_path->ru[0]) + 1);
+	mt76_apply_multi_array_limit(dest_path->ru[0], ARRAY_SIZE(dest_path->ru[0]),
+				     ARRAY_SIZE(dest_path->ru), val, len,
+				     target_power_combine, txs_delta, &max_power_backoff);
+
+	val = mt76_get_of_array(np, "paths-ru-bf", &len, ARRAY_SIZE(dest_path->ru_bf[0]) + 1);
+	mt76_apply_multi_array_limit(dest_path->ru_bf[0], ARRAY_SIZE(dest_path->ru_bf[0]),
+				     ARRAY_SIZE(dest_path->ru_bf), val, len,
+				     target_power_combine, txs_delta, &max_power_backoff);
+
+	if (max_power_backoff == target_power_combine)
+		return max_power;
+
+	return max_power_backoff;
 }
 EXPORT_SYMBOL_GPL(mt76_get_rate_power_limits);
 
diff --git a/mt76.h b/mt76.h
index 0096c7f..d59a1f5 100644
--- a/mt76.h
+++ b/mt76.h
@@ -1060,6 +1060,14 @@ struct mt76_power_limits {
 	s8 eht[16][16];
 };
 
+struct mt76_power_path_limits {
+	s8 cck[5];
+	s8 ofdm[5];
+	s8 ofdm_bf[4];
+	s8 ru[16][15];
+	s8 ru_bf[16][15];
+};
+
 struct mt76_ethtool_worker_info {
 	u64 *data;
 	int idx;
@@ -1655,6 +1663,7 @@ void mt76_set_irq_mask(struct mt76_dev *dev, u32 addr, u32 clear, u32 set);
 s8 mt76_get_rate_power_limits(struct mt76_phy *phy,
 			      struct ieee80211_channel *chan,
 			      struct mt76_power_limits *dest,
+			      struct mt76_power_path_limits *dest_path,
 			      s8 target_power);
 
 static inline bool mt76_queue_is_wed_tx_free(struct mt76_queue *q)
diff --git a/mt76_connac_mcu.c b/mt76_connac_mcu.c
index 236cfea..214a526 100644
--- a/mt76_connac_mcu.c
+++ b/mt76_connac_mcu.c
@@ -2269,7 +2269,7 @@ mt76_connac_mcu_rate_txpower_band(struct mt76_phy *phy,
 			sar_power = mt76_get_sar_power(phy, &chan, reg_power);
 
 			mt76_get_rate_power_limits(phy, &chan, limits,
-						   sar_power);
+						   NULL, sar_power);
 
 			tx_power_tlv.last_msg = ch_list[idx] == last_ch;
 			sku_tlbv.channel = ch_list[idx];
diff --git a/mt7996/init.c b/mt7996/init.c
index bf3479e..ad93927 100644
--- a/mt7996/init.c
+++ b/mt7996/init.c
@@ -295,6 +295,7 @@ void mt7996_init_txpower(struct mt7996_dev *dev,
 	int nss_delta = mt76_tx_power_nss_delta(nss);
 	int pwr_delta = mt7996_eeprom_get_power_delta(dev, sband->band);
 	struct mt76_power_limits limits;
+	struct mt76_power_path_limits limits_path;
 
 	for (i = 0; i < sband->n_channels; i++) {
 		struct ieee80211_channel *chan = &sband->channels[i];
@@ -303,6 +304,7 @@ void mt7996_init_txpower(struct mt7996_dev *dev,
 		target_power += pwr_delta;
 		target_power = mt76_get_rate_power_limits(&dev->mphy, chan,
 							  &limits,
+							  &limits_path,
 							  target_power);
 		target_power += nss_delta;
 		target_power = DIV_ROUND_UP(target_power, 2);
diff --git a/mt7996/main.c b/mt7996/main.c
index 0ea006c..9e3e4ed 100644
--- a/mt7996/main.c
+++ b/mt7996/main.c
@@ -77,6 +77,15 @@ int mt7996_run(struct ieee80211_hw *hw)
 	if (ret)
 		goto out;
 
+#ifdef CONFIG_MTK_DEBUG
+	ret = mt7996_mcu_set_tx_power_ctrl(phy, UNI_TXPOWER_SKU_POWER_LIMIT_CTRL,
+					   !dev->dbg.sku_disable);
+#else
+	ret = mt7996_mcu_set_tx_power_ctrl(phy, UNI_TXPOWER_SKU_POWER_LIMIT_CTRL, true);
+#endif
+	if (ret)
+		goto out;
+
 	set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
 
 	ieee80211_queue_delayed_work(hw, &phy->mt76->mac_work,
@@ -429,6 +438,12 @@ static int mt7996_config(struct ieee80211_hw *hw, u32 changed)
 		ieee80211_wake_queues(hw);
 	}
 
+	if (changed & IEEE80211_CONF_CHANGE_POWER) {
+		ret = mt7996_mcu_set_txpower_sku(phy);
+		if (ret)
+			return ret;
+	}
+
 	mutex_lock(&dev->mt76.mutex);
 
 	if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
@@ -1005,6 +1020,7 @@ mt7996_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
 	mt76_set_stream_caps(phy->mt76, true);
 	mt7996_set_stream_vht_txbf_caps(phy);
 	mt7996_set_stream_he_eht_caps(phy);
+	mt7996_mcu_set_txpower_sku(phy);
 
 	mutex_unlock(&dev->mt76.mutex);
 
diff --git a/mt7996/mcu.c b/mt7996/mcu.c
index 1a1c732..c87cb1a 100644
--- a/mt7996/mcu.c
+++ b/mt7996/mcu.c
@@ -4708,6 +4708,98 @@ int mt7996_mcu_set_scs(struct mt7996_phy *phy, u8 enable)
 				 &req, sizeof(req), false);
 }
 
+int mt7996_mcu_set_txpower_sku(struct mt7996_phy *phy)
+{
+#define TX_POWER_LIMIT_TABLE_RATE	0
+#define TX_POWER_LIMIT_TABLE_PATH	1
+	struct mt7996_dev *dev = phy->dev;
+	struct mt76_phy *mphy = phy->mt76;
+	struct ieee80211_hw *hw = mphy->hw;
+	struct tx_power_limit_table_ctrl {
+		u8 __rsv1[4];
+
+		__le16 tag;
+		__le16 len;
+		u8 power_ctrl_id;
+		u8 power_limit_type;
+		u8 band_idx;
+	} __packed req = {
+		.tag = cpu_to_le16(UNI_TXPOWER_POWER_LIMIT_TABLE_CTRL),
+		.len = cpu_to_le16(sizeof(req) + MT7996_SKU_PATH_NUM - 4),
+		.power_ctrl_id = UNI_TXPOWER_POWER_LIMIT_TABLE_CTRL,
+		.power_limit_type = TX_POWER_LIMIT_TABLE_RATE,
+		.band_idx = phy->mt76->band_idx,
+	};
+
+	int i, ret, tx_power;
+	const u8 *len = mt7996_sku_group_len;
+	struct mt76_power_limits la = {};
+	struct mt76_power_path_limits la_path = {};
+	struct sk_buff *skb;
+
+	tx_power = mt7996_get_power_bound(phy, hw->conf.power_level);
+	tx_power = mt76_get_rate_power_limits(mphy, mphy->chandef.chan,
+					      &la, &la_path, tx_power);
+	mphy->txpower_cur = tx_power;
+
+	skb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
+				 sizeof(req) + MT7996_SKU_PATH_NUM);
+	if (!skb)
+		return -ENOMEM;
+
+	skb_put_data(skb, &req, sizeof(req));
+	skb_put_data(skb, &la.cck, len[SKU_CCK] + len[SKU_OFDM]);
+
+	skb_put_data(skb, &la.mcs[0], len[SKU_HT20]);
+	skb_put_data(skb, &la.mcs[1], len[SKU_HT40]);
+
+	/* vht */
+	for (i = 0; i < 4; i++) {
+		skb_put_data(skb, &la.mcs[i], sizeof(la.mcs[i]));
+		skb_put_zero(skb, 2);  /* padding */
+	}
+
+	/* he */
+	skb_put_data(skb, &la.ru[0], sizeof(la.ru));
+
+	/* eht */
+	skb_put_data(skb, &la.eht[0], sizeof(la.eht));
+
+	/* padding */
+	skb_put_zero(skb, MT7996_SKU_PATH_NUM - MT7996_SKU_RATE_NUM);
+
+	ret = mt76_mcu_skb_send_msg(&dev->mt76, skb,
+				    MCU_WM_UNI_CMD(TXPOWER), true);
+	if (ret)
+		return ret;
+
+	/* only set per-path power table when it's configured */
+	if (!la_path.ofdm[0])
+		return 0;
+
+	skb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
+				 sizeof(req) + MT7996_SKU_PATH_NUM);
+	if (!skb)
+		return -ENOMEM;
+	req.power_limit_type = TX_POWER_LIMIT_TABLE_PATH;
+
+	skb_put_data(skb, &req, sizeof(req));
+	skb_put_data(skb, &la_path.cck, sizeof(la_path.cck));
+	skb_put_data(skb, &la_path.ofdm, sizeof(la_path.ofdm));
+	skb_put_data(skb, &la_path.ofdm_bf, sizeof(la_path.ofdm_bf));
+
+	for (i = 0; i < 32; i++) {
+		bool bf = i % 2;
+		u8 idx = i / 2;
+		s8 *buf = bf ? la_path.ru_bf[idx] : la_path.ru[idx];
+
+		skb_put_data(skb, buf, sizeof(la_path.ru[0]));
+	}
+
+	return mt76_mcu_skb_send_msg(&dev->mt76, skb,
+				     MCU_WM_UNI_CMD(TXPOWER), true);
+}
+
 #ifdef CONFIG_MTK_VENDOR
 void mt7996_set_wireless_vif(void *data, u8 *mac, struct ieee80211_vif *vif)
 {
diff --git a/mt7996/mcu.h b/mt7996/mcu.h
index 7808c35..6fc5ab3 100644
--- a/mt7996/mcu.h
+++ b/mt7996/mcu.h
@@ -777,6 +777,18 @@ enum {
 #define MT7996_MAX_BSS_OFFLOAD_SIZE	(MT7996_MAX_BEACON_SIZE +		\
 					 MT7996_BEACON_UPDATE_SIZE)
 
+static inline s8
+mt7996_get_power_bound(struct mt7996_phy *phy, s8 txpower)
+{
+	struct mt76_phy *mphy = phy->mt76;
+	int n_chains = hweight8(mphy->antenna_mask);
+
+	txpower = mt76_get_sar_power(mphy, mphy->chandef.chan, txpower * 2);
+	txpower -= mt76_tx_power_nss_delta(n_chains);
+
+	return txpower;
+}
+
 enum {
 	UNI_BAND_CONFIG_RADIO_ENABLE,
 	UNI_BAND_CONFIG_RTS_THRESHOLD = 0x08,
diff --git a/mt7996/mt7996.h b/mt7996/mt7996.h
index 7269076..34c8fe6 100644
--- a/mt7996/mt7996.h
+++ b/mt7996/mt7996.h
@@ -64,6 +64,7 @@
 #define MT7996_BUILD_TIME_LEN		24
 
 #define MT7996_SKU_RATE_NUM		417
+#define MT7996_SKU_PATH_NUM		494
 
 #define MT7996_RRO_MAX_SESSION		1024
 #define MT7996_RRO_WINDOW_MAX_LEN	1024
@@ -614,6 +615,7 @@ int mt7996_mcu_set_tx_power_ctrl(struct mt7996_phy *phy, u8 power_ctrl_id, u8 da
 int mt7996_mcu_get_tx_power_info(struct mt7996_phy *phy, u8 category, void *event);
 int mt7996_mcu_apply_group_cal(struct mt7996_dev *dev);
 int mt7996_mcu_apply_tx_dpd(struct mt7996_phy *phy);
+int mt7996_mcu_set_txpower_sku(struct mt7996_phy *phy);
 int mt7996_mcu_set_scs(struct mt7996_phy *phy, u8 enable);
 void mt7996_mcu_scs_sta_poll(struct work_struct *work);
 #ifdef CONFIG_NL80211_TESTMODE
-- 
2.18.0