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From:   Ping-Ke Shih <pkshih@realtek.com>
To:     <kvalo@kernel.org>
CC:     <timlee@realtek.com>, <linux-wireless@vger.kernel.org>
Subject: [PATCH 4/7] wifi: rtw89: 8851b: add RF configurations
Date:   Fri, 19 May 2023 11:14:57 +0800
Message-ID: <20230519031500.21087-5-pkshih@realtek.com>
In-Reply-To: <20230519031500.21087-1-pkshih@realtek.com>
References: <20230519031500.21087-1-pkshih@realtek.com>
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RF configurations include RF calibrations and getting thermal value.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
---
 drivers/net/wireless/realtek/rtw89/rtw8851b.c | 61 +++++++++++++++++++
 1 file changed, 61 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtw89/rtw8851b.c b/drivers/net/wireless/realtek/rtw89/rtw8851b.c
index 148cf00744120..eb98d4adc306b 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8851b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8851b.c
@@ -1542,6 +1542,44 @@ static void rtw8851b_set_channel_help(struct rtw89_dev *rtwdev, bool enter,
 	}
 }
 
+static void rtw8851b_rfk_init(struct rtw89_dev *rtwdev)
+{
+	rtwdev->is_tssi_mode[RF_PATH_A] = false;
+	rtwdev->is_tssi_mode[RF_PATH_B] = false;
+
+	rtw8851b_dpk_init(rtwdev);
+	rtw8851b_aack(rtwdev);
+	rtw8851b_rck(rtwdev);
+	rtw8851b_dack(rtwdev);
+	rtw8851b_rx_dck(rtwdev, RTW89_PHY_0);
+}
+
+static void rtw8851b_rfk_channel(struct rtw89_dev *rtwdev)
+{
+	enum rtw89_phy_idx phy_idx = RTW89_PHY_0;
+
+	rtw8851b_rx_dck(rtwdev, phy_idx);
+	rtw8851b_iqk(rtwdev, phy_idx);
+	rtw8851b_tssi(rtwdev, phy_idx, true);
+	rtw8851b_dpk(rtwdev, phy_idx);
+}
+
+static void rtw8851b_rfk_band_changed(struct rtw89_dev *rtwdev,
+				      enum rtw89_phy_idx phy_idx)
+{
+	rtw8851b_tssi_scan(rtwdev, phy_idx);
+}
+
+static void rtw8851b_rfk_scan(struct rtw89_dev *rtwdev, bool start)
+{
+	rtw8851b_wifi_scan_notify(rtwdev, start, RTW89_PHY_0);
+}
+
+static void rtw8851b_rfk_track(struct rtw89_dev *rtwdev)
+{
+	rtw8851b_dpk_track(rtwdev);
+}
+
 static u32 rtw8851b_bb_cal_txpwr_ref(struct rtw89_dev *rtwdev,
 				     enum rtw89_phy_idx phy_idx, s16 ref)
 {
@@ -1837,6 +1875,23 @@ static void rtw8851b_bb_cfg_txrx_path(struct rtw89_dev *rtwdev)
 	rtw89_phy_write32_idx(rtwdev, R_MAC_SEL, B_MAC_SEL_MOD, 0x0, RTW89_PHY_0);
 }
 
+static u8 rtw8851b_get_thermal(struct rtw89_dev *rtwdev, enum rtw89_rf_path rf_path)
+{
+	if (rtwdev->is_tssi_mode[rf_path]) {
+		u32 addr = R_TSSI_THER + (rf_path << 13);
+
+		return rtw89_phy_read32_mask(rtwdev, addr, B_TSSI_THER);
+	}
+
+	rtw89_write_rf(rtwdev, rf_path, RR_TM, RR_TM_TRI, 0x1);
+	rtw89_write_rf(rtwdev, rf_path, RR_TM, RR_TM_TRI, 0x0);
+	rtw89_write_rf(rtwdev, rf_path, RR_TM, RR_TM_TRI, 0x1);
+
+	fsleep(200);
+
+	return rtw89_read_rf(rtwdev, rf_path, RR_TM, RR_TM_VAL);
+}
+
 static void rtw8851b_btc_set_rfe(struct rtw89_dev *rtwdev)
 {
 	struct rtw89_btc *btc = &rtwdev->btc;
@@ -2226,10 +2281,16 @@ static const struct rtw89_chip_ops rtw8851b_chip_ops = {
 	.read_phycap		= rtw8851b_read_phycap,
 	.fem_setup		= NULL,
 	.rfe_gpio		= rtw8851b_rfe_gpio,
+	.rfk_init		= rtw8851b_rfk_init,
+	.rfk_channel		= rtw8851b_rfk_channel,
+	.rfk_band_changed	= rtw8851b_rfk_band_changed,
+	.rfk_scan		= rtw8851b_rfk_scan,
+	.rfk_track		= rtw8851b_rfk_track,
 	.power_trim		= rtw8851b_power_trim,
 	.set_txpwr		= rtw8851b_set_txpwr,
 	.set_txpwr_ctrl		= rtw8851b_set_txpwr_ctrl,
 	.init_txpwr_unit	= rtw8851b_init_txpwr_unit,
+	.get_thermal		= rtw8851b_get_thermal,
 	.ctrl_btg		= rtw8851b_ctrl_btg,
 	.query_ppdu		= rtw8851b_query_ppdu,
 	.bb_ctrl_btc_preagc	= rtw8851b_bb_ctrl_btc_preagc,
-- 
2.25.1