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From:   Ping-Ke Shih <pkshih@realtek.com>
To:     <kvalo@kernel.org>
CC:     <ku920601@realtek.com>, <linux-wireless@vger.kernel.org>
Subject: [PATCH 5/7] wifi: rtw89: coex: Packet traffic arbitration hardware owner monitor
Date:   Fri, 6 Jan 2023 20:08:42 +0800
Message-ID: <20230106120844.17441-6-pkshih@realtek.com>
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From: Ching-Te Ku <ku920601@realtek.com>

Because the difference of the hardware design, RTL8852C can not get the
PTA owner by the same method with RTL8852B, RTL8852A. Modify the get owner
API and related logic.

Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
---
 drivers/net/wireless/realtek/rtw89/coex.c |  7 ++-----
 drivers/net/wireless/realtek/rtw89/mac.c  | 11 +++++++++--
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw89/coex.c b/drivers/net/wireless/realtek/rtw89/coex.c
index 03872ac8cced0..ec31dd0751cee 100644
--- a/drivers/net/wireless/realtek/rtw89/coex.c
+++ b/drivers/net/wireless/realtek/rtw89/coex.c
@@ -4873,7 +4873,7 @@ void rtw89_btc_ntfy_init(struct rtw89_dev *rtwdev, u8 mode)
 	_write_scbd(rtwdev,
 		    BTC_WSCB_ACTIVE | BTC_WSCB_ON | BTC_WSCB_BTLOG, true);
 	_update_bt_scbd(rtwdev, true);
-	if (rtw89_mac_get_ctrl_path(rtwdev) && chip->chip_id == RTL8852A) {
+	if (rtw89_mac_get_ctrl_path(rtwdev)) {
 		rtw89_debug(rtwdev, RTW89_DBG_BTC,
 			    "[BTC], %s(): PTA owner warning!!\n",
 			    __func__);
@@ -7082,10 +7082,7 @@ static void _show_mreg(struct rtw89_dev *rtwdev, struct seq_file *m)
 
 	/* To avoid I/O if WL LPS or power-off  */
 	if (!wl->status.map.lps && !wl->status.map.rf_off) {
-		if (chip->chip_id == RTL8852A)
-			btc->dm.pta_owner = rtw89_mac_get_ctrl_path(rtwdev);
-		else if (chip->chip_id == RTL8852C)
-			btc->dm.pta_owner = 0;
+		btc->dm.pta_owner = rtw89_mac_get_ctrl_path(rtwdev);
 
 		_get_gnt(rtwdev, &gnt_cfg);
 		gnt = gnt_cfg.band[0];
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index cf9a0a3120a79..5ab0590485e0d 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -4865,9 +4865,16 @@ EXPORT_SYMBOL(rtw89_mac_cfg_ctrl_path_v1);
 
 bool rtw89_mac_get_ctrl_path(struct rtw89_dev *rtwdev)
 {
-	u8 val = rtw89_read8(rtwdev, R_AX_SYS_SDIO_CTRL + 3);
+	const struct rtw89_chip_info *chip = rtwdev->chip;
+	u8 val = 0;
+
+	if (chip->chip_id == RTL8852C)
+		return false;
+	else if (chip->chip_id == RTL8852A || chip->chip_id == RTL8852B)
+		val = rtw89_read8_mask(rtwdev, R_AX_SYS_SDIO_CTRL + 3,
+				       B_AX_LTE_MUX_CTRL_PATH >> 24);
 
-	return FIELD_GET(B_AX_LTE_MUX_CTRL_PATH >> 24, val);
+	return !!val;
 }
 
 u16 rtw89_mac_get_plt_cnt(struct rtw89_dev *rtwdev, u8 band)
-- 
2.25.1