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From: Ping-Ke Shih <pkshih@realtek.com>
To: <kvalo@kernel.org>
CC: <linux-wireless@vger.kernel.org>
Subject: [PATCH 10/11] wifi: rtw89: 8922a: add chip_ops::rfk_init_late to do initial RF calibrations later
Date: Fri, 2 Feb 2024 11:06:41 +0800
Message-ID: <20240202030642.108385-11-pkshih@realtek.com>
In-Reply-To: <20240202030642.108385-1-pkshih@realtek.com>
References: <20240202030642.108385-1-pkshih@realtek.com>
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The RF calibrations are moved into firmware, so we trigger calibrations by
H2C commands and wait for C2H completion events. However, these events
can be received only after HCI (i.e. PCI for now) starts, so we should
do initial RF calibrations after that.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
---
 drivers/net/wireless/realtek/rtw89/core.c     | 1 +
 drivers/net/wireless/realtek/rtw89/core.h     | 9 +++++++++
 drivers/net/wireless/realtek/rtw89/rtw8851b.c | 1 +
 drivers/net/wireless/realtek/rtw89/rtw8852a.c | 1 +
 drivers/net/wireless/realtek/rtw89/rtw8852b.c | 1 +
 drivers/net/wireless/realtek/rtw89/rtw8852c.c | 1 +
 drivers/net/wireless/realtek/rtw89/rtw8922a.c | 9 +++++++++
 7 files changed, 23 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c
index c6c3e0c0bf84..61a216464b6d 100644
--- a/drivers/net/wireless/realtek/rtw89/core.c
+++ b/drivers/net/wireless/realtek/rtw89/core.c
@@ -4101,6 +4101,7 @@ int rtw89_core_start(struct rtw89_dev *rtwdev)
 
 	set_bit(RTW89_FLAG_RUNNING, rtwdev->flags);
 
+	rtw89_chip_rfk_init_late(rtwdev);
 	rtw89_btc_ntfy_radio_state(rtwdev, BTC_RFCTRL_WL_ON);
 	rtw89_fw_h2c_fw_log(rtwdev, rtwdev->fw.log.enable);
 	rtw89_fw_h2c_init_ba_cam(rtwdev);
diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index ccc9f96fc18b..270403f6c3d5 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -3157,6 +3157,7 @@ struct rtw89_chip_ops {
 	void (*fem_setup)(struct rtw89_dev *rtwdev);
 	void (*rfe_gpio)(struct rtw89_dev *rtwdev);
 	void (*rfk_init)(struct rtw89_dev *rtwdev);
+	void (*rfk_init_late)(struct rtw89_dev *rtwdev);
 	void (*rfk_channel)(struct rtw89_dev *rtwdev);
 	void (*rfk_band_changed)(struct rtw89_dev *rtwdev,
 				 enum rtw89_phy_idx phy_idx);
@@ -5642,6 +5643,14 @@ static inline void rtw89_chip_rfk_init(struct rtw89_dev *rtwdev)
 		chip->ops->rfk_init(rtwdev);
 }
 
+static inline void rtw89_chip_rfk_init_late(struct rtw89_dev *rtwdev)
+{
+	const struct rtw89_chip_info *chip = rtwdev->chip;
+
+	if (chip->ops->rfk_init_late)
+		chip->ops->rfk_init_late(rtwdev);
+}
+
 static inline void rtw89_chip_rfk_channel(struct rtw89_dev *rtwdev)
 {
 	const struct rtw89_chip_info *chip = rtwdev->chip;
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8851b.c b/drivers/net/wireless/realtek/rtw89/rtw8851b.c
index 09b23c56aa8e..09e38713bca7 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8851b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8851b.c
@@ -2311,6 +2311,7 @@ static const struct rtw89_chip_ops rtw8851b_chip_ops = {
 	.fem_setup		= NULL,
 	.rfe_gpio		= rtw8851b_rfe_gpio,
 	.rfk_init		= rtw8851b_rfk_init,
+	.rfk_init_late		= NULL,
 	.rfk_channel		= rtw8851b_rfk_channel,
 	.rfk_band_changed	= rtw8851b_rfk_band_changed,
 	.rfk_scan		= rtw8851b_rfk_scan,
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852a.c b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
index c28f05bbdccf..01c249dddfb8 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852a.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852a.c
@@ -2055,6 +2055,7 @@ static const struct rtw89_chip_ops rtw8852a_chip_ops = {
 	.fem_setup		= rtw8852a_fem_setup,
 	.rfe_gpio		= NULL,
 	.rfk_init		= rtw8852a_rfk_init,
+	.rfk_init_late		= NULL,
 	.rfk_channel		= rtw8852a_rfk_channel,
 	.rfk_band_changed	= rtw8852a_rfk_band_changed,
 	.rfk_scan		= rtw8852a_rfk_scan,
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b.c b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
index 18ed372ed5cd..fb6ad335a37a 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b.c
@@ -2480,6 +2480,7 @@ static const struct rtw89_chip_ops rtw8852b_chip_ops = {
 	.fem_setup		= NULL,
 	.rfe_gpio		= NULL,
 	.rfk_init		= rtw8852b_rfk_init,
+	.rfk_init_late		= NULL,
 	.rfk_channel		= rtw8852b_rfk_channel,
 	.rfk_band_changed	= rtw8852b_rfk_band_changed,
 	.rfk_scan		= rtw8852b_rfk_scan,
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
index 431acfaba89b..00861c328ca0 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c
@@ -2825,6 +2825,7 @@ static const struct rtw89_chip_ops rtw8852c_chip_ops = {
 	.fem_setup		= NULL,
 	.rfe_gpio		= NULL,
 	.rfk_init		= rtw8852c_rfk_init,
+	.rfk_init_late		= NULL,
 	.rfk_channel		= rtw8852c_rfk_channel,
 	.rfk_band_changed	= rtw8852c_rfk_band_changed,
 	.rfk_scan		= rtw8852c_rfk_scan,
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8922a.c b/drivers/net/wireless/realtek/rtw89/rtw8922a.c
index 69ae8f81181e..0cbe4780eb69 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8922a.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8922a.c
@@ -1379,6 +1379,14 @@ static void rtw8922a_rfk_init(struct rtw89_dev *rtwdev)
 	memset(rfk_mcc, 0, sizeof(*rfk_mcc));
 }
 
+static void rtw8922a_rfk_init_late(struct rtw89_dev *rtwdev)
+{
+	rtw89_phy_rfk_pre_ntfy_and_wait(rtwdev, RTW89_PHY_0, 5);
+
+	rtw89_phy_rfk_dack_and_wait(rtwdev, RTW89_PHY_0, 58);
+	rtw89_phy_rfk_rxdck_and_wait(rtwdev, RTW89_PHY_0, 32);
+}
+
 static void _wait_rx_mode(struct rtw89_dev *rtwdev, u8 kpath)
 {
 	u32 rf_mode;
@@ -1687,6 +1695,7 @@ static const struct rtw89_chip_ops rtw8922a_chip_ops = {
 	.fem_setup		= NULL,
 	.rfe_gpio		= NULL,
 	.rfk_init		= rtw8922a_rfk_init,
+	.rfk_init_late		= rtw8922a_rfk_init_late,
 	.rfk_channel		= rtw8922a_rfk_channel,
 	.rfk_band_changed	= rtw8922a_rfk_band_changed,
 	.rfk_scan		= rtw8922a_rfk_scan,
-- 
2.25.1