autobuild_mac80211_release/mt7988_mt7996_mac80211/package/kernel/mt76/patches/1007-mtk-wifi-mt76-mt7996-add-txpower-support.patch

From 7b23bb7c06080cbfdf33d01ec3dd921d8c0f1bae Mon Sep 17 00:00:00 2001
From: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
Date: Fri, 24 Mar 2023 23:35:30 +0800
Subject: [PATCH 1007/1044] mtk: wifi: mt76: mt7996: add txpower support

Signed-off-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
---
 mt7996/eeprom.c      |  34 +++++
 mt7996/eeprom.h      |  42 ++++++
 mt7996/mcu.h         |   2 +
 mt7996/mt7996.h      |   1 +
 mt7996/mtk_debugfs.c | 326 +++++++++++++++++++++++++++++++++++++++++++
 mt7996/mtk_mcu.c     |  23 +++
 mt7996/mtk_mcu.h     |  92 ++++++++++++
 mt7996/regs.h        |  29 ++--
 8 files changed, 538 insertions(+), 11 deletions(-)

diff --git a/mt7996/eeprom.c b/mt7996/eeprom.c
index 3aeffdfb..acc33cfe 100644
--- a/mt7996/eeprom.c
+++ b/mt7996/eeprom.c
@@ -404,3 +404,37 @@ s8 mt7996_eeprom_get_power_delta(struct mt7996_dev *dev, int band)
 
 	return val & MT_EE_RATE_DELTA_SIGN ? delta : -delta;
 }
+
+const u8 mt7996_sku_group_len[] = {
+	[SKU_CCK] = 4,
+	[SKU_OFDM] = 8,
+	[SKU_HT20] = 8,
+	[SKU_HT40] = 9,
+	[SKU_VHT20] = 12,
+	[SKU_VHT40] = 12,
+	[SKU_VHT80] = 12,
+	[SKU_VHT160] = 12,
+	[SKU_HE26] = 12,
+	[SKU_HE52] = 12,
+	[SKU_HE106] = 12,
+	[SKU_HE242] = 12,
+	[SKU_HE484] = 12,
+	[SKU_HE996] = 12,
+	[SKU_HE2x996] = 12,
+	[SKU_EHT26] = 16,
+	[SKU_EHT52] = 16,
+	[SKU_EHT106] = 16,
+	[SKU_EHT242] = 16,
+	[SKU_EHT484] = 16,
+	[SKU_EHT996] = 16,
+	[SKU_EHT2x996] = 16,
+	[SKU_EHT4x996] = 16,
+	[SKU_EHT26_52] = 16,
+	[SKU_EHT26_106] = 16,
+	[SKU_EHT484_242] = 16,
+	[SKU_EHT996_484] = 16,
+	[SKU_EHT996_484_242] = 16,
+	[SKU_EHT2x996_484] = 16,
+	[SKU_EHT3x996] = 16,
+	[SKU_EHT3x996_484] = 16,
+};
diff --git a/mt7996/eeprom.h b/mt7996/eeprom.h
index 849b8bca..23d4929d 100644
--- a/mt7996/eeprom.h
+++ b/mt7996/eeprom.h
@@ -123,4 +123,46 @@ mt7996_get_channel_group_6g(int channel)
 	return DIV_ROUND_UP(channel - 29, 32);
 }
 
+enum mt7996_sku_rate_group {
+	SKU_CCK,
+	SKU_OFDM,
+
+	SKU_HT20,
+	SKU_HT40,
+
+	SKU_VHT20,
+	SKU_VHT40,
+	SKU_VHT80,
+	SKU_VHT160,
+
+	SKU_HE26,
+	SKU_HE52,
+	SKU_HE106,
+	SKU_HE242,
+	SKU_HE484,
+	SKU_HE996,
+	SKU_HE2x996,
+
+	SKU_EHT26,
+	SKU_EHT52,
+	SKU_EHT106,
+	SKU_EHT242,
+	SKU_EHT484,
+	SKU_EHT996,
+	SKU_EHT2x996,
+	SKU_EHT4x996,
+	SKU_EHT26_52,
+	SKU_EHT26_106,
+	SKU_EHT484_242,
+	SKU_EHT996_484,
+	SKU_EHT996_484_242,
+	SKU_EHT2x996_484,
+	SKU_EHT3x996,
+	SKU_EHT3x996_484,
+
+	MAX_SKU_RATE_GROUP_NUM,
+};
+
+extern const u8 mt7996_sku_group_len[MAX_SKU_RATE_GROUP_NUM];
+
 #endif
diff --git a/mt7996/mcu.h b/mt7996/mcu.h
index 4f4994d8..887d9b49 100644
--- a/mt7996/mcu.h
+++ b/mt7996/mcu.h
@@ -911,6 +911,7 @@ struct tx_power_ctrl {
 		bool ate_mode_enable;
 		bool percentage_ctrl_enable;
 		bool bf_backoff_enable;
+		u8 show_info_category;
 		u8 power_drop_level;
 	};
 	u8 band_idx;
@@ -924,6 +925,7 @@ enum {
 	UNI_TXPOWER_BACKOFF_POWER_LIMIT_CTRL = 3,
 	UNI_TXPOWER_POWER_LIMIT_TABLE_CTRL = 4,
 	UNI_TXPOWER_ATE_MODE_CTRL = 6,
+	UNI_TXPOWER_SHOW_INFO = 7,
 };
 
 enum {
diff --git a/mt7996/mt7996.h b/mt7996/mt7996.h
index 384157c8..18a6a46d 100644
--- a/mt7996/mt7996.h
+++ b/mt7996/mt7996.h
@@ -609,6 +609,7 @@ int mt7996_mcu_set_tx_power_ctrl(struct mt7996_phy *phy, u8 power_ctrl_id, u8 da
 #ifdef CONFIG_NL80211_TESTMODE
 void mt7996_tm_rf_test_event(struct mt7996_dev *dev, struct sk_buff *skb);
 #endif
+int mt7996_mcu_get_tx_power_info(struct mt7996_phy *phy, u8 category, void *event);
 int mt7996_mcu_set_scs(struct mt7996_phy *phy, u8 enable);
 void mt7996_mcu_scs_sta_poll(struct work_struct *work);
 
diff --git a/mt7996/mtk_debugfs.c b/mt7996/mtk_debugfs.c
index 360c4c7e..c9b835b2 100644
--- a/mt7996/mtk_debugfs.c
+++ b/mt7996/mtk_debugfs.c
@@ -2417,6 +2417,328 @@ mt7996_scs_enable_set(void *data, u64 val)
 DEFINE_DEBUGFS_ATTRIBUTE(fops_scs_enable, NULL,
 			 mt7996_scs_enable_set, "%lld\n");
 
+static int
+mt7996_txpower_level_set(void *data, u64 val)
+{
+	struct mt7996_phy *phy = data;
+	int ret;
+
+	if (val > 100)
+		return -EINVAL;
+
+	ret = mt7996_mcu_set_tx_power_ctrl(phy, UNI_TXPOWER_PERCENTAGE_CTRL, !!val);
+	if (ret)
+		return ret;
+
+	return mt7996_mcu_set_tx_power_ctrl(phy, UNI_TXPOWER_PERCENTAGE_DROP_CTRL, val);
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_txpower_level, NULL,
+			 mt7996_txpower_level_set, "%lld\n");
+
+static ssize_t
+mt7996_get_txpower_info(struct file *file, char __user *user_buf,
+			size_t count, loff_t *ppos)
+{
+	struct mt7996_phy *phy = file->private_data;
+	struct mt7996_mcu_txpower_event *event;
+	struct txpower_basic_info *basic_info;
+	static const size_t size = 2048;
+	int len = 0;
+	ssize_t ret;
+	char *buf;
+
+	buf = kzalloc(size, GFP_KERNEL);
+	event = kzalloc(sizeof(*event), GFP_KERNEL);
+	if (!buf || !event) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	ret = mt7996_mcu_get_tx_power_info(phy, BASIC_INFO, event);
+	if (ret ||
+	    le32_to_cpu(event->basic_info.category) != UNI_TXPOWER_BASIC_INFO)
+		goto out;
+
+	basic_info = &event->basic_info;
+
+	len += scnprintf(buf + len, size - len,
+			 "======================== BASIC INFO ========================\n");
+	len += scnprintf(buf + len, size - len, "    Band Index: %d, Channel Band: %d\n",
+			 basic_info->band_idx, basic_info->band);
+	len += scnprintf(buf + len, size - len, "    PA Type: %s\n",
+			 basic_info->is_epa ? "ePA" : "iPA");
+	len += scnprintf(buf + len, size - len, "    LNA Type: %s\n",
+			 basic_info->is_elna ? "eLNA" : "iLNA");
+
+	len += scnprintf(buf + len, size - len,
+			 "------------------------------------------------------------\n");
+	len += scnprintf(buf + len, size - len, "    SKU: %s\n",
+			 basic_info->sku_enable ? "enable" : "disable");
+	len += scnprintf(buf + len, size - len, "    Percentage Control: %s\n",
+			 basic_info->percentage_ctrl_enable ? "enable" : "disable");
+	len += scnprintf(buf + len, size - len, "    Power Drop: %d [dBm]\n",
+			 basic_info->power_drop_level >> 1);
+	len += scnprintf(buf + len, size - len, "    Backoff: %s\n",
+			 basic_info->bf_backoff_enable ? "enable" : "disable");
+	len += scnprintf(buf + len, size - len, "    TX Front-end Loss:  %d, %d, %d, %d\n",
+			 basic_info->front_end_loss_tx[0], basic_info->front_end_loss_tx[1],
+			 basic_info->front_end_loss_tx[2], basic_info->front_end_loss_tx[3]);
+	len += scnprintf(buf + len, size - len, "    RX Front-end Loss:  %d, %d, %d, %d\n",
+			 basic_info->front_end_loss_rx[0], basic_info->front_end_loss_rx[1],
+			 basic_info->front_end_loss_rx[2], basic_info->front_end_loss_rx[3]);
+	len += scnprintf(buf + len, size - len,
+			 "    MU TX Power Mode:  %s\n",
+			 basic_info->mu_tx_power_manual_enable ? "manual" : "auto");
+	len += scnprintf(buf + len, size - len,
+			 "    MU TX Power (Auto / Manual): %d / %d [0.5 dBm]\n",
+			 basic_info->mu_tx_power_auto, basic_info->mu_tx_power_manual);
+	len += scnprintf(buf + len, size - len,
+			 "    Thermal Compensation:  %s\n",
+			 basic_info->thermal_compensate_enable ? "enable" : "disable");
+	len += scnprintf(buf + len, size - len,
+			 "    Theraml Compensation Value: %d\n",
+			 basic_info->thermal_compensate_value);
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+
+out:
+	kfree(buf);
+	kfree(event);
+	return ret;
+}
+
+static const struct file_operations mt7996_txpower_info_fops = {
+	.read = mt7996_get_txpower_info,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+#define mt7996_txpower_puts(rate)							\
+({											\
+	len += scnprintf(buf + len, size - len, "%-21s:", #rate " (TMAC)");		\
+	for (i = 0; i < mt7996_sku_group_len[SKU_##rate]; i++, offs++)			\
+		len += scnprintf(buf + len, size - len, " %6d",				\
+				 event->phy_rate_info.frame_power[offs][band_idx]);	\
+	len += scnprintf(buf + len, size - len, "\n");					\
+})
+
+static ssize_t
+mt7996_get_txpower_sku(struct file *file, char __user *user_buf,
+		       size_t count, loff_t *ppos)
+{
+	struct mt7996_phy *phy = file->private_data;
+	struct mt7996_dev *dev = phy->dev;
+	struct mt7996_mcu_txpower_event *event;
+	u8 band_idx = phy->mt76->band_idx;
+	static const size_t size = 5120;
+	int i, offs = 0, len = 0;
+	ssize_t ret;
+	char *buf;
+	u32 reg;
+
+	buf = kzalloc(size, GFP_KERNEL);
+	event = kzalloc(sizeof(*event), GFP_KERNEL);
+	if (!buf || !event) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	ret = mt7996_mcu_get_tx_power_info(phy, PHY_RATE_INFO, event);
+	if (ret ||
+	    le32_to_cpu(event->phy_rate_info.category) != UNI_TXPOWER_PHY_RATE_INFO)
+		goto out;
+
+	len += scnprintf(buf + len, size - len,
+			 "\nPhy %d TX Power Table (Channel %d)\n",
+			 band_idx, phy->mt76->chandef.chan->hw_value);
+	len += scnprintf(buf + len, size - len, "%-21s  %6s %6s %6s %6s\n",
+			 " ", "1m", "2m", "5m", "11m");
+	mt7996_txpower_puts(CCK);
+
+	len += scnprintf(buf + len, size - len,
+			 "%-21s  %6s %6s %6s %6s %6s %6s %6s %6s\n",
+			 " ", "6m", "9m", "12m", "18m", "24m", "36m", "48m",
+			 "54m");
+	mt7996_txpower_puts(OFDM);
+
+	len += scnprintf(buf + len, size - len,
+			 "%-21s  %6s %6s %6s %6s %6s %6s %6s %6s\n",
+			 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4",
+			 "mcs5", "mcs6", "mcs7");
+	mt7996_txpower_puts(HT20);
+
+	len += scnprintf(buf + len, size - len,
+			 "%-21s  %6s %6s %6s %6s %6s %6s %6s %6s %6s\n",
+			 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5",
+			 "mcs6", "mcs7", "mcs32");
+	mt7996_txpower_puts(HT40);
+
+	len += scnprintf(buf + len, size - len,
+			 "%-21s  %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n",
+			 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5",
+			 "mcs6", "mcs7", "mcs8", "mcs9", "mcs10", "mcs11");
+	mt7996_txpower_puts(VHT20);
+	mt7996_txpower_puts(VHT40);
+	mt7996_txpower_puts(VHT80);
+	mt7996_txpower_puts(VHT160);
+	mt7996_txpower_puts(HE26);
+	mt7996_txpower_puts(HE52);
+	mt7996_txpower_puts(HE106);
+	mt7996_txpower_puts(HE242);
+	mt7996_txpower_puts(HE484);
+	mt7996_txpower_puts(HE996);
+	mt7996_txpower_puts(HE2x996);
+
+	len += scnprintf(buf + len, size - len,
+			 "%-21s  %6s %6s %6s %6s %6s %6s %6s %6s ",
+			 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", "mcs6", "mcs7");
+	len += scnprintf(buf + len, size - len,
+			 "%6s %6s %6s %6s %6s %6s %6s %6s\n",
+			 "mcs8", "mcs9", "mcs10", "mcs11", "mcs12", "mcs13", "mcs14", "mcs15");
+	mt7996_txpower_puts(EHT26);
+	mt7996_txpower_puts(EHT52);
+	mt7996_txpower_puts(EHT106);
+	mt7996_txpower_puts(EHT242);
+	mt7996_txpower_puts(EHT484);
+	mt7996_txpower_puts(EHT996);
+	mt7996_txpower_puts(EHT2x996);
+	mt7996_txpower_puts(EHT4x996);
+	mt7996_txpower_puts(EHT26_52);
+	mt7996_txpower_puts(EHT26_106);
+	mt7996_txpower_puts(EHT484_242);
+	mt7996_txpower_puts(EHT996_484);
+	mt7996_txpower_puts(EHT996_484_242);
+	mt7996_txpower_puts(EHT2x996_484);
+	mt7996_txpower_puts(EHT3x996);
+	mt7996_txpower_puts(EHT3x996_484);
+
+	len += scnprintf(buf + len, size - len, "\nePA Gain: %d\n",
+			 event->phy_rate_info.epa_gain);
+	len += scnprintf(buf + len, size - len, "Max Power Bound: %d\n",
+			 event->phy_rate_info.max_power_bound);
+	len += scnprintf(buf + len, size - len, "Min Power Bound: %d\n",
+			 event->phy_rate_info.min_power_bound);
+
+	reg = MT_WF_PHYDFE_BAND_TPC_CTRL_STAT0(band_idx);
+	len += scnprintf(buf + len, size - len,
+			 "BBP TX Power (target power from TMAC)  : %6ld [0.5 dBm]\n",
+			 mt76_get_field(dev, reg, MT_WF_PHY_TPC_POWER_TMAC));
+	len += scnprintf(buf + len, size - len,
+			 "BBP TX Power (target power from RMAC)  : %6ld [0.5 dBm]\n",
+			 mt76_get_field(dev, reg, MT_WF_PHY_TPC_POWER_RMAC));
+	len += scnprintf(buf + len, size - len,
+			 "BBP TX Power (TSSI module power input)  : %6ld [0.5 dBm]\n",
+			 mt76_get_field(dev, reg, MT_WF_PHY_TPC_POWER_TSSI));
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+
+out:
+	kfree(buf);
+	kfree(event);
+	return ret;
+}
+
+static const struct file_operations mt7996_txpower_sku_fops = {
+	.read = mt7996_get_txpower_sku,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+#define mt7996_txpower_path_puts(rate, arr_length)					\
+({											\
+	len += scnprintf(buf + len, size - len, "%-23s:", #rate " (TMAC)");		\
+	for (i = 0; i < arr_length; i++, offs++)					\
+		len += scnprintf(buf + len, size - len, " %4d",				\
+				 event->backoff_table_info.frame_power[offs]);		\
+	len += scnprintf(buf + len, size - len, "\n");					\
+})
+
+static ssize_t
+mt7996_get_txpower_path(struct file *file, char __user *user_buf,
+		       size_t count, loff_t *ppos)
+{
+	struct mt7996_phy *phy = file->private_data;
+	struct mt7996_mcu_txpower_event *event;
+	static const size_t size = 5120;
+	int i, offs = 0, len = 0;
+	ssize_t ret;
+	char *buf;
+
+	buf = kzalloc(size, GFP_KERNEL);
+	event = kzalloc(sizeof(*event), GFP_KERNEL);
+	if (!buf || !event) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	ret = mt7996_mcu_get_tx_power_info(phy, BACKOFF_TABLE_INFO, event);
+	if (ret ||
+	    le32_to_cpu(event->phy_rate_info.category) != UNI_TXPOWER_BACKOFF_TABLE_SHOW_INFO)
+		goto out;
+
+	len += scnprintf(buf + len, size - len, "\n%*c", 25, ' ');
+	len += scnprintf(buf + len, size - len, "1T1S/2T1S/3T1S/4T1S/5T1S/2T2S/3T2S/4T2S/5T2S/"
+			 "3T3S/4T3S/5T3S/4T4S/5T4S/5T5S\n");
+
+	mt7996_txpower_path_puts(CCK, 5);
+	mt7996_txpower_path_puts(OFDM, 5);
+	mt7996_txpower_path_puts(BF-OFDM, 4);
+
+	mt7996_txpower_path_puts(RU26, 15);
+	mt7996_txpower_path_puts(BF-RU26, 15);
+	mt7996_txpower_path_puts(RU52, 15);
+	mt7996_txpower_path_puts(BF-RU52, 15);
+	mt7996_txpower_path_puts(RU26_52, 15);
+	mt7996_txpower_path_puts(BF-RU26_52, 15);
+	mt7996_txpower_path_puts(RU106, 15);
+	mt7996_txpower_path_puts(BF-RU106, 15);
+	mt7996_txpower_path_puts(RU106_52, 15);
+	mt7996_txpower_path_puts(BF-RU106_52, 15);
+
+	mt7996_txpower_path_puts(BW20/RU242, 15);
+	mt7996_txpower_path_puts(BF-BW20/RU242, 15);
+	mt7996_txpower_path_puts(BW40/RU484, 15);
+	mt7996_txpower_path_puts(BF-BW40/RU484, 15);
+	mt7996_txpower_path_puts(RU242_484, 15);
+	mt7996_txpower_path_puts(BF-RU242_484, 15);
+	mt7996_txpower_path_puts(BW80/RU996, 15);
+	mt7996_txpower_path_puts(BF-BW80/RU996, 15);
+	mt7996_txpower_path_puts(RU484_996, 15);
+	mt7996_txpower_path_puts(BF-RU484_996, 15);
+	mt7996_txpower_path_puts(RU242_484_996, 15);
+	mt7996_txpower_path_puts(BF-RU242_484_996, 15);
+	mt7996_txpower_path_puts(BW160/RU996x2, 15);
+	mt7996_txpower_path_puts(BF-BW160/RU996x2, 15);
+	mt7996_txpower_path_puts(RU484_996x2, 15);
+	mt7996_txpower_path_puts(BF-RU484_996x2, 15);
+	mt7996_txpower_path_puts(RU996x3, 15);
+	mt7996_txpower_path_puts(BF-RU996x3, 15);
+	mt7996_txpower_path_puts(RU484_996x3, 15);
+	mt7996_txpower_path_puts(BF-RU484_996x3, 15);
+	mt7996_txpower_path_puts(BW320/RU996x4, 15);
+	mt7996_txpower_path_puts(BF-BW320/RU996x4, 15);
+
+	len += scnprintf(buf + len, size - len, "\nBackoff table: %s\n",
+			 event->backoff_table_info.backoff_en ? "enable" : "disable");
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+
+out:
+	kfree(buf);
+	kfree(event);
+	return ret;
+}
+
+static const struct file_operations mt7996_txpower_path_fops = {
+	.read = mt7996_get_txpower_path,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
 int mt7996_mtk_init_debugfs(struct mt7996_phy *phy, struct dentry *dir)
 {
 	struct mt7996_dev *dev = phy->dev;
@@ -2480,6 +2802,10 @@ int mt7996_mtk_init_debugfs(struct mt7996_phy *phy, struct dentry *dir)
 
 	debugfs_create_devm_seqfile(dev->mt76.dev, "tr_info", dir,
 				    mt7996_trinfo_read);
+	debugfs_create_file("txpower_level", 0600, dir, phy, &fops_txpower_level);
+	debugfs_create_file("txpower_info", 0600, dir, phy, &mt7996_txpower_info_fops);
+	debugfs_create_file("txpower_sku", 0600, dir, phy, &mt7996_txpower_sku_fops);
+	debugfs_create_file("txpower_path", 0600, dir, phy, &mt7996_txpower_path_fops);
 
 	debugfs_create_devm_seqfile(dev->mt76.dev, "wtbl_info", dir,
 				    mt7996_wtbl_read);
diff --git a/mt7996/mtk_mcu.c b/mt7996/mtk_mcu.c
index c16b25ab..e56ddd8f 100644
--- a/mt7996/mtk_mcu.c
+++ b/mt7996/mtk_mcu.c
@@ -12,8 +12,31 @@
 
 #ifdef CONFIG_MTK_DEBUG
 
+int mt7996_mcu_get_tx_power_info(struct mt7996_phy *phy, u8 category, void *event)
+{
+	struct mt7996_dev *dev = phy->dev;
+	struct tx_power_ctrl req = {
+		.tag = cpu_to_le16(UNI_TXPOWER_SHOW_INFO),
+		.len = cpu_to_le16(sizeof(req) - 4),
+		.power_ctrl_id = UNI_TXPOWER_SHOW_INFO,
+		.show_info_category = category,
+		.band_idx = phy->mt76->band_idx,
+	};
+	struct sk_buff *skb;
+	int ret;
 
+	ret = mt76_mcu_send_and_get_msg(&dev->mt76,
+					MCU_WM_UNI_CMD_QUERY(TXPOWER),
+					&req, sizeof(req), true, &skb);
+	if (ret)
+		return ret;
 
+	memcpy(event, skb->data, sizeof(struct mt7996_mcu_txpower_event));
+
+	dev_kfree_skb(skb);
+
+	return 0;
+}
 
 int mt7996_mcu_muru_dbg_info(struct mt7996_dev *dev, u16 item, u8 val)
 {
diff --git a/mt7996/mtk_mcu.h b/mt7996/mtk_mcu.h
index 7f4d4e02..c30418ca 100644
--- a/mt7996/mtk_mcu.h
+++ b/mt7996/mtk_mcu.h
@@ -14,6 +14,98 @@ enum {
 	UNI_CMD_MURU_DBG_INFO = 0x18,
 };
 
+struct txpower_basic_info {
+	u8 category;
+	u8 rsv1;
+
+	/* basic info */
+	u8 band_idx;
+	u8 band;
+
+	/* board type info */
+	bool is_epa;
+	bool is_elna;
+
+	/* power percentage info */
+	bool percentage_ctrl_enable;
+	s8 power_drop_level;
+
+	/* frond-end loss TX info */
+	s8 front_end_loss_tx[4];
+
+	/* frond-end loss RX info */
+	s8 front_end_loss_rx[4];
+
+	/* thermal info */
+	bool thermal_compensate_enable;
+	s8 thermal_compensate_value;
+	u8 rsv2;
+
+	/* TX power max/min limit info */
+	s8 max_power_bound;
+	s8 min_power_bound;
+
+	/* power limit info */
+	bool sku_enable;
+	bool bf_backoff_enable;
+
+	/* MU TX power info */
+	bool mu_tx_power_manual_enable;
+	s8 mu_tx_power_auto;
+	s8 mu_tx_power_manual;
+	u8 rsv3;
+};
+
+struct txpower_phy_rate_info {
+	u8 category;
+	u8 band_idx;
+	u8 band;
+	u8 epa_gain;
+
+	/* rate power info [dBm] */
+	s8 frame_power[MT7996_SKU_RATE_NUM][__MT_MAX_BAND];
+
+	/* TX power max/min limit info */
+	s8 max_power_bound;
+	s8 min_power_bound;
+	u8 rsv1;
+};
+
+struct txpower_backoff_table_info {
+	u8 category;
+	u8 band_idx;
+	u8 band;
+	u8 backoff_en;
+
+	s8 frame_power[MT7996_SKU_PATH_NUM];
+	u8 rsv[3];
+};
+
+struct mt7996_mcu_txpower_event {
+	u8 _rsv[4];
+
+	__le16 tag;
+	__le16 len;
+
+	union {
+		struct txpower_basic_info basic_info;
+		struct txpower_phy_rate_info phy_rate_info;
+		struct txpower_backoff_table_info backoff_table_info;
+	};
+};
+
+enum txpower_category {
+	BASIC_INFO,
+	BACKOFF_TABLE_INFO,
+	PHY_RATE_INFO,
+};
+
+enum txpower_event {
+	UNI_TXPOWER_BASIC_INFO = 0,
+	UNI_TXPOWER_BACKOFF_TABLE_SHOW_INFO = 3,
+	UNI_TXPOWER_PHY_RATE_INFO = 5,
+};
+
 #endif
 
 #endif
diff --git a/mt7996/regs.h b/mt7996/regs.h
index 4c20a67d..e94f9a90 100644
--- a/mt7996/regs.h
+++ b/mt7996/regs.h
@@ -693,24 +693,31 @@ enum offs_rev {
 						 ((_wf) << 16) + (ofs))
 #define MT_WF_PHYRX_CSD_IRPI(_band, _wf)	MT_WF_PHYRX_CSD(_band, _wf, 0x1000)
 
-/* PHYRX CTRL */
-#define MT_WF_PHYRX_BAND_BASE			0x83080000
-#define MT_WF_PHYRX_BAND(_band, ofs)		(MT_WF_PHYRX_BAND_BASE + \
+/* PHY CTRL */
+#define MT_WF_PHY_BAND_BASE			0x83080000
+#define MT_WF_PHY_BAND(_band, ofs)		(MT_WF_PHY_BAND_BASE + \
 						 ((_band) << 20) + (ofs))
 
-#define MT_WF_PHYRX_BAND_GID_TAB_VLD0(_band)	MT_WF_PHYRX_BAND(_band, 0x1054)
-#define MT_WF_PHYRX_BAND_GID_TAB_VLD1(_band)	MT_WF_PHYRX_BAND(_band, 0x1058)
-#define MT_WF_PHYRX_BAND_GID_TAB_POS0(_band)	MT_WF_PHYRX_BAND(_band, 0x105c)
-#define MT_WF_PHYRX_BAND_GID_TAB_POS1(_band)	MT_WF_PHYRX_BAND(_band, 0x1060)
-#define MT_WF_PHYRX_BAND_GID_TAB_POS2(_band)	MT_WF_PHYRX_BAND(_band, 0x1064)
-#define MT_WF_PHYRX_BAND_GID_TAB_POS3(_band)	MT_WF_PHYRX_BAND(_band, 0x1068)
+#define MT_WF_PHYRX_BAND_GID_TAB_VLD0(_band)	MT_WF_PHY_BAND(_band, 0x1054)
+#define MT_WF_PHYRX_BAND_GID_TAB_VLD1(_band)	MT_WF_PHY_BAND(_band, 0x1058)
+#define MT_WF_PHYRX_BAND_GID_TAB_POS0(_band)	MT_WF_PHY_BAND(_band, 0x105c)
+#define MT_WF_PHYRX_BAND_GID_TAB_POS1(_band)	MT_WF_PHY_BAND(_band, 0x1060)
+#define MT_WF_PHYRX_BAND_GID_TAB_POS2(_band)	MT_WF_PHY_BAND(_band, 0x1064)
+#define MT_WF_PHYRX_BAND_GID_TAB_POS3(_band)	MT_WF_PHY_BAND(_band, 0x1068)
 
-#define MT_WF_PHYRX_BAND_RX_CTRL1(_band)	MT_WF_PHYRX_BAND(_band, 0x2004)
+/* PHYRX CTRL */
+#define MT_WF_PHYRX_BAND_RX_CTRL1(_band)	MT_WF_PHY_BAND(_band, 0x2004)
 #define MT_WF_PHYRX_BAND_RX_CTRL1_IPI_EN	GENMASK(2, 0)
 #define MT_WF_PHYRX_BAND_RX_CTRL1_STSCNT_EN	GENMASK(11, 9)
 
+/* PHYDFE CTRL */
+#define MT_WF_PHYDFE_BAND_TPC_CTRL_STAT0(_phy)	MT_WF_PHY_BAND(_phy, 0xe7a0)
+#define MT_WF_PHY_TPC_POWER_TMAC		GENMASK(15, 8)
+#define MT_WF_PHY_TPC_POWER_RMAC		GENMASK(23, 16)
+#define MT_WF_PHY_TPC_POWER_TSSI		GENMASK(31, 24)
+
 /* PHYRX CSD BAND */
-#define MT_WF_PHYRX_CSD_BAND_RXTD12(_band)		MT_WF_PHYRX_BAND(_band, 0x8230)
+#define MT_WF_PHYRX_CSD_BAND_RXTD12(_band)		MT_WF_PHY_BAND(_band, 0x8230)
 #define MT_WF_PHYRX_CSD_BAND_RXTD12_IRPI_SW_CLR_ONLY	BIT(18)
 #define MT_WF_PHYRX_CSD_BAND_RXTD12_IRPI_SW_CLR		BIT(29)
 
-- 
2.18.0