recipes-wifi/linux-mt76/files/patches-3.x/0016-mtk-mt76-mt7996-add-testmode-pre-calibration-support.patch

From bf7cfde381eaebc8e27be3ac9ceae80845ca835f Mon Sep 17 00:00:00 2001
From: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
Date: Fri, 31 Mar 2023 11:27:24 +0800
Subject: [PATCH 016/193] mtk: mt76: mt7996: add testmode pre-calibration
 support

Change-Id: If8a6cc02fa20e35f079c826e0571e8c04c3f9c7e
Signed-off-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
---
 mac80211.c        |  21 ---
 mt76.h            |  22 +++
 mt76_connac_mcu.h |   2 +
 mt7996/eeprom.c   |  66 +++++++
 mt7996/eeprom.h   |  47 +++++
 mt7996/mcu.c      |   5 +
 mt7996/mt7996.h   |   7 +
 mt7996/testmode.c | 437 ++++++++++++++++++++++++++++++++++++++++++++++
 mt7996/testmode.h |  20 ++-
 testmode.c        |  12 ++
 testmode.h        |   8 +
 tools/fields.c    |   8 +
 12 files changed, 632 insertions(+), 23 deletions(-)

diff --git a/mac80211.c b/mac80211.c
index 5d9512d..1d2477d 100644
--- a/mac80211.c
+++ b/mac80211.c
@@ -6,27 +6,6 @@
 #include <linux/of.h>
 #include "mt76.h"
 
-#define CHAN2G(_idx, _freq) {			\
-	.band = NL80211_BAND_2GHZ,		\
-	.center_freq = (_freq),			\
-	.hw_value = (_idx),			\
-	.max_power = 30,			\
-}
-
-#define CHAN5G(_idx, _freq) {			\
-	.band = NL80211_BAND_5GHZ,		\
-	.center_freq = (_freq),			\
-	.hw_value = (_idx),			\
-	.max_power = 30,			\
-}
-
-#define CHAN6G(_idx, _freq) {			\
-	.band = NL80211_BAND_6GHZ,		\
-	.center_freq = (_freq),			\
-	.hw_value = (_idx),			\
-	.max_power = 30,			\
-}
-
 static const struct ieee80211_channel mt76_channels_2ghz[] = {
 	CHAN2G(1, 2412),
 	CHAN2G(2, 2417),
diff --git a/mt76.h b/mt76.h
index f6ffcca..8666ec2 100644
--- a/mt76.h
+++ b/mt76.h
@@ -24,6 +24,27 @@
 #include "util.h"
 #include "testmode.h"
 
+#define CHAN2G(_idx, _freq) {			\
+	.band = NL80211_BAND_2GHZ,		\
+	.center_freq = (_freq),			\
+	.hw_value = (_idx),			\
+	.max_power = 30,			\
+}
+
+#define CHAN5G(_idx, _freq) {			\
+	.band = NL80211_BAND_5GHZ,		\
+	.center_freq = (_freq),			\
+	.hw_value = (_idx),			\
+	.max_power = 30,			\
+}
+
+#define CHAN6G(_idx, _freq) {			\
+	.band = NL80211_BAND_6GHZ,		\
+	.center_freq = (_freq),			\
+	.hw_value = (_idx),			\
+	.max_power = 30,			\
+}
+
 #define MT_MCU_RING_SIZE	32
 #define MT_RX_BUF_SIZE		2048
 #define MT_SKB_HEAD_LEN		256
@@ -721,6 +742,7 @@ struct mt76_testmode_ops {
 	void (*reset_rx_stats)(struct mt76_phy *phy);
 	void (*tx_stop)(struct mt76_phy *phy);
 	int (*set_eeprom)(struct mt76_phy *phy, u32 offset, u8 *val, u8 action);
+	int (*dump_precal)(struct mt76_phy *mphy, struct sk_buff *msg, int flag, int type);
 };
 
 #define MT_TM_FW_RX_COUNT	BIT(0)
diff --git a/mt76_connac_mcu.h b/mt76_connac_mcu.h
index 873f59f..c7fa7b2 100644
--- a/mt76_connac_mcu.h
+++ b/mt76_connac_mcu.h
@@ -1058,8 +1058,10 @@ enum {
 	MCU_UNI_EVENT_RDD_REPORT = 0x11,
 	MCU_UNI_EVENT_ROC = 0x27,
 	MCU_UNI_EVENT_TX_DONE = 0x2d,
+	MCU_UNI_EVENT_BF = 0x33,
 	MCU_UNI_EVENT_THERMAL = 0x35,
 	MCU_UNI_EVENT_NIC_CAPAB = 0x43,
+	MCU_UNI_EVENT_TESTMODE_CTRL = 0x46,
 	MCU_UNI_EVENT_WED_RRO = 0x57,
 	MCU_UNI_EVENT_PER_STA_INFO = 0x6d,
 	MCU_UNI_EVENT_ALL_STA_INFO = 0x6e,
diff --git a/mt7996/eeprom.c b/mt7996/eeprom.c
index cb4fb70..31b8fd1 100644
--- a/mt7996/eeprom.c
+++ b/mt7996/eeprom.c
@@ -12,6 +12,42 @@ static bool testmode_enable;
 module_param(testmode_enable, bool, 0644);
 MODULE_PARM_DESC(testmode_enable, "Enable testmode");
 
+const struct ieee80211_channel dpd_2g_ch_list_bw20[] = {
+	CHAN2G(3, 2422),
+	CHAN2G(7, 2442),
+	CHAN2G(11, 2462)
+};
+
+const struct ieee80211_channel dpd_5g_ch_list_bw160[] = {
+	CHAN5G(50, 5250),
+	CHAN5G(114, 5570),
+	CHAN5G(163, 5815)
+};
+
+const struct ieee80211_channel dpd_6g_ch_list_bw160[] = {
+	CHAN6G(15, 6025),
+	CHAN6G(47, 6185),
+	CHAN6G(79, 6345),
+	CHAN6G(111, 6505),
+	CHAN6G(143, 6665),
+	CHAN6G(175, 6825),
+	CHAN6G(207, 6985)
+};
+
+const struct ieee80211_channel dpd_6g_ch_list_bw320[] = {
+	CHAN6G(31, 6105),
+	CHAN6G(63, 6265),
+	CHAN6G(95, 6425),
+	CHAN6G(127, 6585),
+	CHAN6G(159, 6745),
+	CHAN6G(191, 6905)
+};
+
+const u32 dpd_2g_bw20_ch_num = ARRAY_SIZE(dpd_2g_ch_list_bw20);
+const u32 dpd_5g_bw160_ch_num = ARRAY_SIZE(dpd_5g_ch_list_bw160);
+const u32 dpd_6g_bw160_ch_num = ARRAY_SIZE(dpd_6g_ch_list_bw160);
+const u32 dpd_6g_bw320_ch_num = ARRAY_SIZE(dpd_6g_ch_list_bw320);
+
 static int mt7996_check_eeprom(struct mt7996_dev *dev)
 {
 #define FEM_INT				0
@@ -156,6 +192,36 @@ static bool mt7996_eeprom_variant_valid(struct mt7996_dev *dev, const u8 *def)
 	return true;
 }
 
+int
+mt7996_get_dpd_per_band_size(struct mt7996_dev *dev, enum nl80211_band band)
+{
+	/* handle different sku */
+	static const u8 band_to_idx[] = {
+		[NL80211_BAND_2GHZ] = MT_BAND0,
+		[NL80211_BAND_5GHZ] = MT_BAND1,
+		[NL80211_BAND_6GHZ] = MT_BAND2,
+	};
+	struct mt7996_phy *phy = __mt7996_phy(dev, band_to_idx[band]);
+	struct mt76_phy *mphy;
+	int dpd_size;
+
+	if (!phy)
+		return 0;
+
+	mphy = phy->mt76;
+
+	if (band == NL80211_BAND_2GHZ)
+		dpd_size = dpd_2g_bw20_ch_num * DPD_PER_CH_BW20_SIZE;
+	else if (band == NL80211_BAND_5GHZ)
+		dpd_size = mphy->sband_5g.sband.n_channels * DPD_PER_CH_BW20_SIZE +
+			   dpd_5g_bw160_ch_num * DPD_PER_CH_GT_BW20_SIZE;
+	else
+		dpd_size = mphy->sband_6g.sband.n_channels * DPD_PER_CH_BW20_SIZE +
+			   (dpd_6g_bw160_ch_num + dpd_6g_bw320_ch_num) * DPD_PER_CH_GT_BW20_SIZE;
+
+	return dpd_size;
+}
+
 static int
 mt7996_eeprom_check_or_use_default(struct mt7996_dev *dev, bool use_default)
 {
diff --git a/mt7996/eeprom.h b/mt7996/eeprom.h
index 7f7a718..c1cad4f 100644
--- a/mt7996/eeprom.h
+++ b/mt7996/eeprom.h
@@ -14,6 +14,7 @@ enum mt7996_eeprom_field {
 	MT_EE_MAC_ADDR =	0x004,
 	MT_EE_MAC_ADDR2 =	0x00a,
 	MT_EE_WIFI_CONF =	0x190,
+	MT_EE_DO_PRE_CAL =	0x1a5,
 	MT_EE_TESTMODE_EN =	0x1af,
 	MT_EE_MAC_ADDR3 =	0x2c0,
 	MT_EE_RATE_DELTA_2G =	0x1400,
@@ -32,6 +33,52 @@ enum mt7996_eeprom_field {
 #define MT_EE_WIFI_CONF2_BAND_SEL		GENMASK(2, 0)
 #define MT_EE_WIFI_PA_LNA_CONFIG		GENMASK(1, 0)
 
+#define MT_EE_WIFI_CAL_GROUP_2G			BIT(0)
+#define MT_EE_WIFI_CAL_GROUP_5G			BIT(1)
+#define MT_EE_WIFI_CAL_GROUP_6G			BIT(2)
+#define MT_EE_WIFI_CAL_GROUP			GENMASK(2, 0)
+#define MT_EE_WIFI_CAL_DPD_2G			BIT(3)
+#define MT_EE_WIFI_CAL_DPD_5G			BIT(4)
+#define MT_EE_WIFI_CAL_DPD_6G			BIT(5)
+#define MT_EE_WIFI_CAL_DPD			GENMASK(5, 3)
+
+#define MT_EE_CAL_UNIT				1024
+#define MT_EE_CAL_GROUP_SIZE_2G			(4 * MT_EE_CAL_UNIT)
+#define MT_EE_CAL_GROUP_SIZE_5G			(45 * MT_EE_CAL_UNIT)
+#define MT_EE_CAL_GROUP_SIZE_6G			(125 * MT_EE_CAL_UNIT)
+#define MT_EE_CAL_ADCDCOC_SIZE_2G		(4 * 4)
+#define MT_EE_CAL_ADCDCOC_SIZE_5G		(4 * 4)
+#define MT_EE_CAL_ADCDCOC_SIZE_6G		(4 * 5)
+#define MT_EE_CAL_GROUP_SIZE			(MT_EE_CAL_GROUP_SIZE_2G + \
+						 MT_EE_CAL_GROUP_SIZE_5G + \
+						 MT_EE_CAL_GROUP_SIZE_6G + \
+						 MT_EE_CAL_ADCDCOC_SIZE_2G + \
+						 MT_EE_CAL_ADCDCOC_SIZE_5G + \
+						 MT_EE_CAL_ADCDCOC_SIZE_6G)
+
+#define DPD_PER_CH_LEGACY_SIZE			(4 * MT_EE_CAL_UNIT)
+#define DPD_PER_CH_MEM_SIZE			(13 * MT_EE_CAL_UNIT)
+#define DPD_PER_CH_OTFG0_SIZE			(2 * MT_EE_CAL_UNIT)
+#define DPD_PER_CH_BW20_SIZE			(DPD_PER_CH_LEGACY_SIZE + DPD_PER_CH_OTFG0_SIZE)
+#define DPD_PER_CH_GT_BW20_SIZE			(DPD_PER_CH_MEM_SIZE + DPD_PER_CH_OTFG0_SIZE)
+#define MT_EE_CAL_DPD_SIZE			(780 * MT_EE_CAL_UNIT)
+
+extern const struct ieee80211_channel dpd_2g_ch_list_bw20[];
+extern const u32 dpd_2g_bw20_ch_num;
+extern const struct ieee80211_channel dpd_5g_ch_list_bw160[];
+extern const u32 dpd_5g_bw160_ch_num;
+extern const struct ieee80211_channel dpd_6g_ch_list_bw160[];
+extern const u32 dpd_6g_bw160_ch_num;
+extern const struct ieee80211_channel dpd_6g_ch_list_bw320[];
+extern const u32 dpd_6g_bw320_ch_num;
+
+#define RF_DPD_FLAT_CAL				BIT(28)
+#define RF_PRE_CAL				BIT(29)
+#define RF_DPD_FLAT_5G_CAL			GENMASK(29, 28)
+#define RF_DPD_FLAT_5G_MEM_CAL			(BIT(30) | BIT(28))
+#define RF_DPD_FLAT_6G_CAL			GENMASK(30, 28)
+#define RF_DPD_FLAT_6G_MEM_CAL			(BIT(31) | BIT(28))
+
 #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)
diff --git a/mt7996/mcu.c b/mt7996/mcu.c
index 2f3e547..914f1f9 100644
--- a/mt7996/mcu.c
+++ b/mt7996/mcu.c
@@ -725,6 +725,11 @@ mt7996_mcu_uni_rx_unsolicited_event(struct mt7996_dev *dev, struct sk_buff *skb)
 	case MCU_UNI_EVENT_WED_RRO:
 		mt7996_mcu_wed_rro_event(dev, skb);
 		break;
+#ifdef CONFIG_NL80211_TESTMODE
+	case MCU_UNI_EVENT_TESTMODE_CTRL:
+		mt7996_tm_rf_test_event(dev, skb);
+		break;
+#endif
 	default:
 		break;
 	}
diff --git a/mt7996/mt7996.h b/mt7996/mt7996.h
index 5f91151..54b81c1 100644
--- a/mt7996/mt7996.h
+++ b/mt7996/mt7996.h
@@ -399,6 +399,9 @@ struct mt7996_dev {
 	struct dentry *debugfs_dir;
 	struct rchan *relay_fwlog;
 
+	void *cal;
+	u32 cur_prek_offset;
+
 	struct {
 		u16 table_mask;
 		u8 n_agrt;
@@ -541,6 +544,7 @@ int mt7996_eeprom_parse_hw_cap(struct mt7996_dev *dev, struct mt7996_phy *phy);
 int mt7996_eeprom_get_target_power(struct mt7996_dev *dev,
 				   struct ieee80211_channel *chan);
 s8 mt7996_eeprom_get_power_delta(struct mt7996_dev *dev, int band);
+int mt7996_get_dpd_per_band_size(struct mt7996_dev *dev, enum nl80211_band band);
 int mt7996_dma_init(struct mt7996_dev *dev);
 void mt7996_dma_reset(struct mt7996_dev *dev, bool force);
 void mt7996_dma_prefetch(struct mt7996_dev *dev);
@@ -625,6 +629,9 @@ void mt7996_mcu_exit(struct mt7996_dev *dev);
 int mt7996_mcu_get_all_sta_info(struct mt7996_phy *phy, u16 tag);
 int mt7996_mcu_wed_rro_reset_sessions(struct mt7996_dev *dev, u16 id);
 int mt7996_mcu_set_tx_power_ctrl(struct mt7996_phy *phy, u8 power_ctrl_id, u8 data);
+#ifdef CONFIG_NL80211_TESTMODE
+void mt7996_tm_rf_test_event(struct mt7996_dev *dev, struct sk_buff *skb);
+#endif
 
 static inline u8 mt7996_max_interface_num(struct mt7996_dev *dev)
 {
diff --git a/mt7996/testmode.c b/mt7996/testmode.c
index 58f0ad2..6969cba 100644
--- a/mt7996/testmode.c
+++ b/mt7996/testmode.c
@@ -7,6 +7,8 @@
 #include "mac.h"
 #include "mcu.h"
 #include "testmode.h"
+#include "eeprom.h"
+#include "mtk_mcu.h"
 
 enum {
 	TM_CHANGED_TXPOWER,
@@ -397,6 +399,436 @@ mt7996_tm_set_tx_cont(struct mt7996_phy *phy, bool en)
 	}
 }
 
+static int
+mt7996_tm_group_prek(struct mt7996_phy *phy, enum mt76_testmode_state state)
+{
+	u8 *eeprom;
+	u32 i, group_size, dpd_size, size, offs, *pre_cal;
+	int ret = 0;
+	struct mt7996_dev *dev = phy->dev;
+	struct mt76_dev *mdev = &dev->mt76;
+	struct mt7996_tm_req req = {
+		.rf_test = {
+			.tag = cpu_to_le16(UNI_RF_TEST_CTRL),
+			.len = cpu_to_le16(sizeof(req.rf_test)),
+			.action = RF_ACTION_IN_RF_TEST,
+			.icap_len = RF_TEST_ICAP_LEN,
+			.op.rf.func_idx = cpu_to_le32(RF_TEST_RE_CAL),
+			.op.rf.param.cal_param.func_data = cpu_to_le32(RF_PRE_CAL),
+			.op.rf.param.cal_param.band_idx = phy->mt76->band_idx,
+		},
+	};
+
+	if (!dev->flash_mode) {
+		dev_err(dev->mt76.dev, "Currently not in FLASH or BIN FILE mode, return!\n");
+		return -EOPNOTSUPP;
+	}
+
+	eeprom = mdev->eeprom.data;
+	dev->cur_prek_offset = 0;
+	group_size = MT_EE_CAL_GROUP_SIZE;
+	dpd_size = MT_EE_CAL_DPD_SIZE;
+	size = group_size + dpd_size;
+	offs = MT_EE_DO_PRE_CAL;
+
+	switch (state) {
+	case MT76_TM_STATE_GROUP_PREK:
+		if (!dev->cal) {
+			dev->cal = devm_kzalloc(mdev->dev, size, GFP_KERNEL);
+			if (!dev->cal)
+				return -ENOMEM;
+		}
+
+		ret = mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(TESTMODE_CTRL), &req,
+					sizeof(req), false);
+		wait_event_timeout(mdev->mcu.wait, dev->cur_prek_offset == group_size,
+				   30 * HZ);
+
+		if (ret) {
+			dev_err(dev->mt76.dev, "Group Pre-cal: mcu send msg failed!\n");
+			return ret;
+		}
+
+		if (!ret)
+			eeprom[offs] |= MT_EE_WIFI_CAL_GROUP;
+		break;
+	case MT76_TM_STATE_GROUP_PREK_DUMP:
+		pre_cal = (u32 *)dev->cal;
+		if (!pre_cal) {
+			dev_info(dev->mt76.dev, "Not group pre-cal yet!\n");
+			return ret;
+		}
+		dev_info(dev->mt76.dev, "Group Pre-Cal:\n");
+		for (i = 0; i < (group_size / sizeof(u32)); i += 4) {
+			dev_info(dev->mt76.dev, "[0x%08lx] 0x%8x 0x%8x 0x%8x 0x%8x\n",
+				 i * sizeof(u32), pre_cal[i], pre_cal[i + 1],
+				 pre_cal[i + 2], pre_cal[i + 3]);
+		}
+		break;
+	case MT76_TM_STATE_GROUP_PREK_CLEAN:
+		pre_cal = (u32 *)dev->cal;
+		if (!pre_cal)
+			return ret;
+		memset(pre_cal, 0, group_size);
+		eeprom[offs] &= ~MT_EE_WIFI_CAL_GROUP;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return ret;
+}
+
+static int
+mt7996_tm_dpd_prek_send_req(struct mt7996_phy *phy, struct mt7996_tm_req *req,
+			    const struct ieee80211_channel *chan_list, u32 channel_size,
+			    enum nl80211_chan_width width, u32 func_data)
+{
+	struct mt7996_dev *dev = phy->dev;
+	struct mt76_phy *mphy = phy->mt76;
+	struct cfg80211_chan_def chandef_backup, *chandef = &mphy->chandef;
+	struct ieee80211_channel chan_backup;
+	int i, ret;
+
+	if (!chan_list)
+		return -EOPNOTSUPP;
+
+	req->rf_test.op.rf.param.cal_param.func_data = cpu_to_le32(func_data);
+
+	memcpy(&chan_backup, chandef->chan, sizeof(struct ieee80211_channel));
+	memcpy(&chandef_backup, chandef, sizeof(struct cfg80211_chan_def));
+
+	for (i = 0; i < channel_size; i++) {
+		memcpy(chandef->chan, &chan_list[i], sizeof(struct ieee80211_channel));
+		chandef->width = width;
+
+		/* set channel switch reason */
+		mphy->hw->conf.flags |= IEEE80211_CONF_OFFCHANNEL;
+		mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_SWITCH);
+
+		ret = mt76_mcu_send_msg(&dev->mt76, MCU_WM_UNI_CMD(TESTMODE_CTRL), req,
+					sizeof(*req), false);
+		if (ret) {
+			dev_err(dev->mt76.dev, "DPD Pre-cal: mcu send msg failed!\n");
+			goto out;
+		}
+	}
+
+out:
+	mphy->hw->conf.flags &= ~IEEE80211_CONF_OFFCHANNEL;
+	memcpy(chandef, &chandef_backup, sizeof(struct cfg80211_chan_def));
+	memcpy(chandef->chan, &chan_backup, sizeof(struct ieee80211_channel));
+	mt7996_mcu_set_chan_info(phy, UNI_CHANNEL_SWITCH);
+
+	return ret;
+}
+
+static int
+mt7996_tm_dpd_prek(struct mt7996_phy *phy, enum mt76_testmode_state state)
+{
+	struct mt7996_dev *dev = phy->dev;
+	struct mt76_dev *mdev = &dev->mt76;
+	struct mt76_phy *mphy = phy->mt76;
+	struct mt7996_tm_req req = {
+		.rf_test = {
+			.tag = cpu_to_le16(UNI_RF_TEST_CTRL),
+			.len = cpu_to_le16(sizeof(req.rf_test)),
+			.action = RF_ACTION_IN_RF_TEST,
+			.icap_len = RF_TEST_ICAP_LEN,
+			.op.rf.func_idx = cpu_to_le32(RF_TEST_RE_CAL),
+			.op.rf.param.cal_param.band_idx = phy->mt76->band_idx,
+		},
+	};
+	u32 i, j, group_size, dpd_size, size, offs, *pre_cal;
+	u32 wait_on_prek_offset = 0;
+	u8 do_precal, *eeprom;
+	int ret = 0;
+
+	if (!dev->flash_mode) {
+		dev_err(dev->mt76.dev, "Currently not in FLASH or BIN FILE mode, return!\n");
+		return -EOPNOTSUPP;
+	}
+
+	eeprom = mdev->eeprom.data;
+	dev->cur_prek_offset = 0;
+	group_size = MT_EE_CAL_GROUP_SIZE;
+	dpd_size = MT_EE_CAL_DPD_SIZE;
+	size = group_size + dpd_size;
+	offs = MT_EE_DO_PRE_CAL;
+
+	if (!dev->cal && state < MT76_TM_STATE_DPD_DUMP) {
+		dev->cal = devm_kzalloc(mdev->dev, size, GFP_KERNEL);
+		if (!dev->cal)
+			return -ENOMEM;
+	}
+
+	switch (state) {
+	case MT76_TM_STATE_DPD_2G:
+		ret = mt7996_tm_dpd_prek_send_req(phy, &req, dpd_2g_ch_list_bw20,
+						  dpd_2g_bw20_ch_num,
+						  NL80211_CHAN_WIDTH_20, RF_DPD_FLAT_CAL);
+		wait_on_prek_offset += dpd_2g_bw20_ch_num * DPD_PER_CH_BW20_SIZE;
+		wait_event_timeout(mdev->mcu.wait,
+				   dev->cur_prek_offset == wait_on_prek_offset, 30 * HZ);
+
+		do_precal = MT_EE_WIFI_CAL_DPD_2G;
+		break;
+	case MT76_TM_STATE_DPD_5G:
+		/* 5g channel bw20 calibration */
+		ret = mt7996_tm_dpd_prek_send_req(phy, &req, mphy->sband_5g.sband.channels,
+						  mphy->sband_5g.sband.n_channels,
+						  NL80211_CHAN_WIDTH_20, RF_DPD_FLAT_5G_CAL);
+		if (ret)
+			return ret;
+		wait_on_prek_offset += mphy->sband_5g.sband.n_channels * DPD_PER_CH_BW20_SIZE;
+		wait_event_timeout(mdev->mcu.wait,
+				   dev->cur_prek_offset == wait_on_prek_offset, 30 * HZ);
+
+		/* 5g channel bw160 calibration */
+		ret = mt7996_tm_dpd_prek_send_req(phy, &req, dpd_5g_ch_list_bw160,
+						  dpd_5g_bw160_ch_num,
+						  NL80211_CHAN_WIDTH_160, RF_DPD_FLAT_5G_MEM_CAL);
+		wait_on_prek_offset += dpd_5g_bw160_ch_num * DPD_PER_CH_GT_BW20_SIZE;
+		wait_event_timeout(mdev->mcu.wait,
+				   dev->cur_prek_offset == wait_on_prek_offset, 30 * HZ);
+
+		do_precal = MT_EE_WIFI_CAL_DPD_5G;
+		break;
+	case MT76_TM_STATE_DPD_6G:
+		/* 6g channel bw20 calibration */
+		ret = mt7996_tm_dpd_prek_send_req(phy, &req, mphy->sband_6g.sband.channels,
+						  mphy->sband_6g.sband.n_channels,
+						  NL80211_CHAN_WIDTH_20, RF_DPD_FLAT_6G_CAL);
+		if (ret)
+			return ret;
+		wait_on_prek_offset += mphy->sband_6g.sband.n_channels * DPD_PER_CH_BW20_SIZE;
+		wait_event_timeout(mdev->mcu.wait,
+				   dev->cur_prek_offset == wait_on_prek_offset, 30 * HZ);
+
+		/* 6g channel bw160 calibration */
+		ret = mt7996_tm_dpd_prek_send_req(phy, &req, dpd_6g_ch_list_bw160,
+						  dpd_6g_bw160_ch_num,
+						  NL80211_CHAN_WIDTH_160, RF_DPD_FLAT_6G_MEM_CAL);
+		if (ret)
+			return ret;
+		wait_on_prek_offset += dpd_6g_bw160_ch_num * DPD_PER_CH_GT_BW20_SIZE;
+		wait_event_timeout(mdev->mcu.wait,
+				   dev->cur_prek_offset == wait_on_prek_offset, 30 * HZ);
+
+		/* 6g channel bw320 calibration */
+		ret = mt7996_tm_dpd_prek_send_req(phy, &req, dpd_6g_ch_list_bw320,
+						  dpd_6g_bw320_ch_num,
+						  NL80211_CHAN_WIDTH_320, RF_DPD_FLAT_6G_MEM_CAL);
+		wait_on_prek_offset += dpd_6g_bw320_ch_num * DPD_PER_CH_GT_BW20_SIZE;
+		wait_event_timeout(mdev->mcu.wait,
+				   dev->cur_prek_offset == wait_on_prek_offset, 30 * HZ);
+
+		do_precal = MT_EE_WIFI_CAL_DPD_6G;
+		break;
+	case MT76_TM_STATE_DPD_DUMP:
+		if (!dev->cal) {
+			dev_info(dev->mt76.dev, "Not DPD pre-cal yet!\n");
+			return ret;
+		}
+		pre_cal = (u32 *)dev->cal;
+		dev_info(dev->mt76.dev, "DPD Pre-Cal:\n");
+		for (i = 0; i < dpd_size / sizeof(u32); i += 4) {
+			j = i + (group_size / sizeof(u32));
+			dev_info(dev->mt76.dev, "[0x%08lx] 0x%8x 0x%8x 0x%8x 0x%8x\n",
+				 j * sizeof(u32), pre_cal[j], pre_cal[j + 1],
+				 pre_cal[j + 2], pre_cal[j + 3]);
+		}
+		return 0;
+	case MT76_TM_STATE_DPD_CLEAN:
+		pre_cal = (u32 *)dev->cal;
+		if (!pre_cal)
+			return ret;
+		memset(pre_cal + (group_size / sizeof(u32)), 0, dpd_size);
+		do_precal = MT_EE_WIFI_CAL_DPD;
+		eeprom[offs] &= ~do_precal;
+		return 0;
+	default:
+		return -EINVAL;
+	}
+
+	if (!ret)
+		eeprom[offs] |= do_precal;
+
+	return ret;
+}
+
+static int
+mt7996_tm_dump_precal(struct mt76_phy *mphy, struct sk_buff *msg, int flag, int type)
+{
+#define DPD_PER_CHAN_SIZE_MASK		GENMASK(31, 30)
+#define DPD_2G_RATIO_MASK		GENMASK(29, 20)
+#define DPD_5G_RATIO_MASK		GENMASK(19, 10)
+#define DPD_6G_RATIO_MASK		GENMASK(9, 0)
+	struct mt7996_phy *phy = mphy->priv;
+	struct mt7996_dev *dev = phy->dev;
+	u32 i, group_size, dpd_size, total_size, size, dpd_info = 0;
+	u32 dpd_size_2g, dpd_size_5g, dpd_size_6g;
+	u32 base, offs, transmit_size = 1000;
+	u8 *pre_cal, *eeprom;
+	void *precal;
+	enum prek_ops {
+		PREK_GET_INFO,
+		PREK_SYNC_ALL,
+		PREK_SYNC_GROUP,
+		PREK_SYNC_DPD_2G,
+		PREK_SYNC_DPD_5G,
+		PREK_SYNC_DPD_6G,
+		PREK_CLEAN_GROUP,
+		PREK_CLEAN_DPD,
+	};
+
+	if (!dev->cal) {
+		dev_info(dev->mt76.dev, "Not pre-cal yet!\n");
+		return 0;
+	}
+
+	group_size = MT_EE_CAL_GROUP_SIZE;
+	dpd_size = MT_EE_CAL_DPD_SIZE;
+	total_size = group_size + dpd_size;
+	pre_cal = dev->cal;
+	eeprom = dev->mt76.eeprom.data;
+	offs = MT_EE_DO_PRE_CAL;
+
+	dpd_size_2g = mt7996_get_dpd_per_band_size(dev, NL80211_BAND_2GHZ);
+	dpd_size_5g = mt7996_get_dpd_per_band_size(dev, NL80211_BAND_5GHZ);
+	dpd_size_6g = mt7996_get_dpd_per_band_size(dev, NL80211_BAND_6GHZ);
+
+	switch (type) {
+	case PREK_SYNC_ALL:
+		base = 0;
+		size = total_size;
+		break;
+	case PREK_SYNC_GROUP:
+		base = 0;
+		size = group_size;
+		break;
+	case PREK_SYNC_DPD_2G:
+		base = group_size;
+		size = dpd_size_2g;
+		break;
+	case PREK_SYNC_DPD_5G:
+		base = group_size + dpd_size_2g;
+		size = dpd_size_5g;
+		break;
+	case PREK_SYNC_DPD_6G:
+		base = group_size + dpd_size_2g + dpd_size_5g;
+		size = dpd_size_6g;
+		break;
+	case PREK_GET_INFO:
+		break;
+	default:
+		return 0;
+	}
+
+	if (!flag) {
+		if (eeprom[offs] & MT_EE_WIFI_CAL_DPD) {
+			dpd_info |= u32_encode_bits(1, DPD_PER_CHAN_SIZE_MASK) |
+				    u32_encode_bits(dpd_size_2g / MT_EE_CAL_UNIT,
+						    DPD_2G_RATIO_MASK) |
+				    u32_encode_bits(dpd_size_5g / MT_EE_CAL_UNIT,
+						    DPD_5G_RATIO_MASK) |
+				    u32_encode_bits(dpd_size_6g / MT_EE_CAL_UNIT,
+						    DPD_6G_RATIO_MASK);
+		}
+		dev->cur_prek_offset = 0;
+		precal = nla_nest_start(msg, MT76_TM_ATTR_PRECAL_INFO);
+		if (!precal)
+			return -ENOMEM;
+		nla_put_u32(msg, 0, group_size);
+		nla_put_u32(msg, 1, dpd_size);
+		nla_put_u32(msg, 2, dpd_info);
+		nla_put_u32(msg, 3, transmit_size);
+		nla_put_u32(msg, 4, eeprom[offs]);
+		nla_nest_end(msg, precal);
+	} else {
+		precal = nla_nest_start(msg, MT76_TM_ATTR_PRECAL);
+		if (!precal)
+			return -ENOMEM;
+
+		transmit_size = (dev->cur_prek_offset + transmit_size < size) ?
+				transmit_size : (size - dev->cur_prek_offset);
+		for (i = 0; i < transmit_size; i++) {
+			if (nla_put_u8(msg, i, pre_cal[base + dev->cur_prek_offset + i]))
+				return -ENOMEM;
+		}
+		dev->cur_prek_offset += transmit_size;
+
+		nla_nest_end(msg, precal);
+	}
+
+	return 0;
+}
+
+static void
+mt7996_tm_re_cal_event(struct mt7996_dev *dev, struct mt7996_tm_rf_test_result *result,
+		       struct mt7996_tm_rf_test_data *data)
+{
+	u32 base, dpd_size_2g, dpd_size_5g, dpd_size_6g, cal_idx, cal_type, len = 0;
+	u8 *pre_cal;
+
+	pre_cal = dev->cal;
+	dpd_size_2g = mt7996_get_dpd_per_band_size(dev, NL80211_BAND_2GHZ);
+	dpd_size_5g = mt7996_get_dpd_per_band_size(dev, NL80211_BAND_5GHZ);
+	dpd_size_6g = mt7996_get_dpd_per_band_size(dev, NL80211_BAND_6GHZ);
+
+	cal_idx = le32_to_cpu(data->cal_idx);
+	cal_type = le32_to_cpu(data->cal_type);
+	len = le32_to_cpu(result->payload_length);
+	len = len - sizeof(struct mt7996_tm_rf_test_data);
+
+	switch (cal_type) {
+	case RF_PRE_CAL:
+		base = 0;
+		break;
+	case RF_DPD_FLAT_CAL:
+		base = MT_EE_CAL_GROUP_SIZE;
+		break;
+	case RF_DPD_FLAT_5G_CAL:
+	case RF_DPD_FLAT_5G_MEM_CAL:
+		base = MT_EE_CAL_GROUP_SIZE + dpd_size_2g;
+		break;
+	case RF_DPD_FLAT_6G_CAL:
+	case RF_DPD_FLAT_6G_MEM_CAL:
+		base = MT_EE_CAL_GROUP_SIZE + dpd_size_2g + dpd_size_5g;
+		break;
+	default:
+		dev_info(dev->mt76.dev, "Unknown calibration type!\n");
+		return;
+	}
+	pre_cal += (base + dev->cur_prek_offset);
+
+	memcpy(pre_cal, data->cal_data, len);
+	dev->cur_prek_offset += len;
+}
+
+void mt7996_tm_rf_test_event(struct mt7996_dev *dev, struct sk_buff *skb)
+{
+	struct mt7996_tm_event *event;
+	struct mt7996_tm_rf_test_result *result;
+	struct mt7996_tm_rf_test_data *data;
+	static u32 event_type;
+
+	skb_pull(skb, sizeof(struct mt7996_mcu_rxd));
+	event = (struct mt7996_tm_event *)skb->data;
+	result = (struct mt7996_tm_rf_test_result *)&event->result;
+	data = (struct mt7996_tm_rf_test_data *)result->data;
+
+	event_type = le32_to_cpu(result->func_idx);
+
+	switch (event_type) {
+	case RF_TEST_RE_CAL:
+		mt7996_tm_re_cal_event(dev, result, data);
+		break;
+	default:
+		break;
+	}
+}
+
 static void
 mt7996_tm_update_params(struct mt7996_phy *phy, u32 changed)
 {
@@ -454,6 +886,10 @@ mt7996_tm_set_state(struct mt76_phy *mphy, enum mt76_testmode_state state)
 	else if (prev_state == MT76_TM_STATE_OFF ||
 		 state == MT76_TM_STATE_OFF)
 		mt7996_tm_init(phy, !(state == MT76_TM_STATE_OFF));
+	else if (state >= MT76_TM_STATE_GROUP_PREK && state <= MT76_TM_STATE_GROUP_PREK_CLEAN)
+		return mt7996_tm_group_prek(phy, state);
+	else if (state >= MT76_TM_STATE_DPD_2G && state <= MT76_TM_STATE_DPD_CLEAN)
+		return mt7996_tm_dpd_prek(phy, state);
 
 	if ((state == MT76_TM_STATE_IDLE &&
 	     prev_state == MT76_TM_STATE_OFF) ||
@@ -737,4 +1173,5 @@ const struct mt76_testmode_ops mt7996_testmode_ops = {
 	.reset_rx_stats = mt7996_tm_reset_trx_stats,
 	.tx_stop = mt7996_tm_tx_stop,
 	.set_eeprom = mt7996_tm_set_eeprom,
+	.dump_precal = mt7996_tm_dump_precal,
 };
diff --git a/mt7996/testmode.h b/mt7996/testmode.h
index 319ef25..9bfb86f 100644
--- a/mt7996/testmode.h
+++ b/mt7996/testmode.h
@@ -34,6 +34,12 @@ enum bw_mapping_method {
 	NUM_BW_MAP,
 };
 
+struct tm_cal_param {
+	__le32 func_data;
+	u8 band_idx;
+	u8 rsv[3];
+};
+
 struct mt7996_tm_rf_test {
 	__le16 tag;
 	__le16 len;
@@ -50,7 +56,7 @@ struct mt7996_tm_rf_test {
 			union {
 				__le32 func_data;
 				__le32 cal_dump;
-
+				struct tm_cal_param cal_param;
 				u8 _pad[80];
 			} param;
 		} rf;
@@ -63,10 +69,16 @@ struct mt7996_tm_req {
 	struct mt7996_tm_rf_test rf_test;
 } __packed;
 
+struct mt7996_tm_rf_test_data {
+	__le32 cal_idx;
+	__le32 cal_type;
+	u8 cal_data[0];
+} __packed;
+
 struct mt7996_tm_rf_test_result {
 	__le32 func_idx;
 	__le32 payload_length;
-	u8 event[0];
+	u8 data[0];
 };
 
 struct mt7996_tm_event {
@@ -77,6 +89,8 @@ struct mt7996_tm_event {
 	struct mt7996_tm_rf_test_result result;
 } __packed;
 
+#define RF_TEST_RE_CAL		0x01
+
 enum {
 	RF_ACTION_SWITCH_TO_RF_TEST,
 	RF_ACTION_IN_RF_TEST,
@@ -84,6 +98,8 @@ enum {
 	RF_ACTION_GET,
 };
 
+#define RF_TEST_ICAP_LEN	120
+
 enum {
 	RF_OPER_NORMAL,
 	RF_OPER_RF_TEST,
diff --git a/testmode.c b/testmode.c
index 44f3a5b..cd8cb65 100644
--- a/testmode.c
+++ b/testmode.c
@@ -674,6 +674,18 @@ int mt76_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *msg,
 
 	mutex_lock(&dev->mutex);
 
+	if (tb[MT76_TM_ATTR_PRECAL] || tb[MT76_TM_ATTR_PRECAL_INFO]) {
+		int flag, type;
+
+		err = -EINVAL;
+		flag = tb[MT76_TM_ATTR_PRECAL] ? 1 : 0;
+		type = flag ? nla_get_u8(tb[MT76_TM_ATTR_PRECAL_INFO]) : 0;
+		if (dev->test_ops->dump_precal)
+			err = dev->test_ops->dump_precal(phy, msg, flag, type);
+
+		goto out;
+	}
+
 	if (tb[MT76_TM_ATTR_STATS]) {
 		err = -EINVAL;
 
diff --git a/testmode.h b/testmode.h
index 2873c90..3348d0d 100644
--- a/testmode.h
+++ b/testmode.h
@@ -220,6 +220,14 @@ enum mt76_testmode_state {
 	MT76_TM_STATE_TX_FRAMES,
 	MT76_TM_STATE_RX_FRAMES,
 	MT76_TM_STATE_TX_CONT,
+	MT76_TM_STATE_GROUP_PREK,
+	MT76_TM_STATE_GROUP_PREK_DUMP,
+	MT76_TM_STATE_GROUP_PREK_CLEAN,
+	MT76_TM_STATE_DPD_2G,
+	MT76_TM_STATE_DPD_5G,
+	MT76_TM_STATE_DPD_6G,
+	MT76_TM_STATE_DPD_DUMP,
+	MT76_TM_STATE_DPD_CLEAN,
 	MT76_TM_STATE_ON,
 
 	/* keep last */
diff --git a/tools/fields.c b/tools/fields.c
index 055f90f..b012276 100644
--- a/tools/fields.c
+++ b/tools/fields.c
@@ -11,6 +11,14 @@ static const char * const testmode_state[] = {
 	[MT76_TM_STATE_TX_FRAMES] = "tx_frames",
 	[MT76_TM_STATE_RX_FRAMES] = "rx_frames",
 	[MT76_TM_STATE_TX_CONT] = "tx_cont",
+	[MT76_TM_STATE_GROUP_PREK] = "group_prek",
+	[MT76_TM_STATE_GROUP_PREK_DUMP] = "group_prek_dump",
+	[MT76_TM_STATE_GROUP_PREK_CLEAN] = "group_prek_clean",
+	[MT76_TM_STATE_DPD_2G] = "dpd_2g",
+	[MT76_TM_STATE_DPD_5G] = "dpd_5g",
+	[MT76_TM_STATE_DPD_6G] = "dpd_6g",
+	[MT76_TM_STATE_DPD_DUMP] = "dpd_dump",
+	[MT76_TM_STATE_DPD_CLEAN] = "dpd_clean",
 };
 
 static const char * const testmode_tx_mode[] = {
-- 
2.45.2