wifi: rtw89: rfk: add firmware command to do TX IQK

TX IQK is a RF calibration, which driver call this H2C command to trigger
the calibration.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260123013957.16418-2-pkshih@realtek.com

drivers/net/wireless/realtek/rtw89/fw.c

@@ -7614,6 +7614,49 @@ int rtw89_fw_h2c_rf_tas_trigger(struct rtw89_dev *rtwdev, bool enable)
 	return ret;
 }
 
+int rtw89_fw_h2c_rf_txiqk(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx,
+			  const struct rtw89_chan *chan)
+{
+	struct rtw89_h2c_rf_txiqk *h2c;
+	u32 len = sizeof(*h2c);
+	struct sk_buff *skb;
+	int ret;
+
+	skb = rtw89_fw_h2c_alloc_skb_with_hdr(rtwdev, len);
+	if (!skb) {
+		rtw89_err(rtwdev, "failed to alloc skb for h2c RF TXIQK\n");
+		return -ENOMEM;
+	}
+	skb_put(skb, len);
+	h2c = (struct rtw89_h2c_rf_txiqk *)skb->data;
+
+	h2c->len = len;
+	h2c->phy = phy_idx;
+	h2c->txiqk_enable = true;
+	h2c->is_wb_txiqk = true;
+	h2c->kpath = RF_AB;
+	h2c->cur_band = chan->band_type;
+	h2c->cur_bw = chan->band_width;
+	h2c->cur_ch = chan->channel;
+	h2c->txiqk_dbg_en = rtw89_debug_is_enabled(rtwdev, RTW89_DBG_RFK);
+
+	rtw89_h2c_pkt_set_hdr(rtwdev, skb, FWCMD_TYPE_H2C,
+			      H2C_CAT_OUTSRC, H2C_CL_OUTSRC_RF_FW_RFK,
+			      H2C_FUNC_RFK_TXIQK_OFFOAD, 0, 0, len);
+
+	ret = rtw89_h2c_tx(rtwdev, skb, false);
+	if (ret) {
+		rtw89_err(rtwdev, "failed to send h2c\n");
+		goto fail;
+	}
+
+	return 0;
+fail:
+	dev_kfree_skb_any(skb);
+
+	return ret;
+}
+
 int rtw89_fw_h2c_raw_with_hdr(struct rtw89_dev *rtwdev,
 			      u8 h2c_class, u8 h2c_func, u8 *buf, u16 len,
 			      bool rack, bool dack)

drivers/net/wireless/realtek/rtw89/fw.h

@@ -4718,6 +4718,7 @@ enum rtw89_rfk_offload_h2c_func {
 	H2C_FUNC_RFK_RXDCK_OFFLOAD = 0x6,
 	H2C_FUNC_RFK_PRE_NOTIFY = 0x8,
 	H2C_FUNC_RFK_TAS_OFFLOAD = 0x9,
+	H2C_FUNC_RFK_TXIQK_OFFOAD = 0xc,
 };
 
 struct rtw89_fw_h2c_rf_get_mccch {
@@ -4935,6 +4936,18 @@ struct rtw89_h2c_rf_rxdck {
 	u8 is_chl_k;
 } __packed;
 
+struct rtw89_h2c_rf_txiqk {
+	u8 len;
+	u8 phy;
+	u8 txiqk_enable;
+	u8 is_wb_txiqk;
+	u8 kpath;
+	u8 cur_band;
+	u8 cur_bw;
+	u8 cur_ch;
+	u8 txiqk_dbg_en;
+} __packed;
+
 enum rtw89_rf_log_type {
 	RTW89_RF_RUN_LOG = 0,
 	RTW89_RF_RPT_LOG = 1,
@@ -5235,6 +5248,8 @@ int rtw89_fw_h2c_rf_dack(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx,
 int rtw89_fw_h2c_rf_rxdck(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx,
 			  const struct rtw89_chan *chan, bool is_chl_k);
 int rtw89_fw_h2c_rf_tas_trigger(struct rtw89_dev *rtwdev, bool enable);
+int rtw89_fw_h2c_rf_txiqk(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx,
+			  const struct rtw89_chan *chan);
 int rtw89_fw_h2c_raw_with_hdr(struct rtw89_dev *rtwdev,
 			      u8 h2c_class, u8 h2c_func, u8 *buf, u16 len,
 			      bool rack, bool dack);

drivers/net/wireless/realtek/rtw89/phy.c

@@ -4119,6 +4119,23 @@ int rtw89_phy_rfk_rxdck_and_wait(struct rtw89_dev *rtwdev,
 }
 EXPORT_SYMBOL(rtw89_phy_rfk_rxdck_and_wait);
 
+int rtw89_phy_rfk_txiqk_and_wait(struct rtw89_dev *rtwdev,
+				 enum rtw89_phy_idx phy_idx,
+				 const struct rtw89_chan *chan,
+				 unsigned int ms)
+{
+	int ret;
+
+	rtw89_phy_rfk_report_prep(rtwdev);
+
+	ret = rtw89_fw_h2c_rf_txiqk(rtwdev, phy_idx, chan);
+	if (ret)
+		return ret;
+
+	return rtw89_phy_rfk_report_wait(rtwdev, "TX_IQK", ms);
+}
+EXPORT_SYMBOL(rtw89_phy_rfk_txiqk_and_wait);
+
 static u32 phy_tssi_get_cck_group(u8 ch)
 {
 	switch (ch) {

drivers/net/wireless/realtek/rtw89/phy.h

@@ -1031,6 +1031,10 @@ int rtw89_phy_rfk_rxdck_and_wait(struct rtw89_dev *rtwdev,
 				 enum rtw89_phy_idx phy_idx,
 				 const struct rtw89_chan *chan,
 				 bool is_chl_k, unsigned int ms);
+int rtw89_phy_rfk_txiqk_and_wait(struct rtw89_dev *rtwdev,
+				 enum rtw89_phy_idx phy_idx,
+				 const struct rtw89_chan *chan,
+				 unsigned int ms);
 void rtw89_phy_rfk_tssi_fill_fwcmd_efuse_to_de(struct rtw89_dev *rtwdev,
 					       enum rtw89_phy_idx phy,
 					       const struct rtw89_chan *chan,