[PATCH v2 5/5] wifi: rtw89: pci: correct suspend/resume setting for variant chips

[Ping-Ke Shih <pkshih@xxxxxxxxxxx>]

From: Chin-Yen Lee <timlee@xxxxxxxxxxx>

We find that suspend/resume tests cause 8852CE lost, because some pci
registers are changed for 8852CE. So, correct them accordingly.

Signed-off-by: Chin-Yen Lee <timlee@xxxxxxxxxxx>
Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
---
 drivers/net/wireless/realtek/rtw89/pci.c | 31 ++++++++++++++++++------
 1 file changed, 23 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c
index 67baf495a6986..ebe74d1bca73b 100644
--- a/drivers/net/wireless/realtek/rtw89/pci.c
+++ b/drivers/net/wireless/realtek/rtw89/pci.c
@@ -3648,14 +3648,20 @@ static int __maybe_unused rtw89_pci_suspend(struct device *dev)
 {
 	struct ieee80211_hw *hw = dev_get_drvdata(dev);
 	struct rtw89_dev *rtwdev = hw->priv;
+	enum rtw89_core_chip_id chip_id = rtwdev->chip->chip_id;
 
-	rtw89_write32_clr(rtwdev, R_AX_SYS_SDIO_CTRL,
-			  B_AX_PCIE_DIS_L2_CTRL_LDO_HCI);
 	rtw89_write32_set(rtwdev, R_AX_RSV_CTRL, B_AX_WLOCK_1C_BIT6);
 	rtw89_write32_set(rtwdev, R_AX_RSV_CTRL, B_AX_R_DIS_PRST);
 	rtw89_write32_clr(rtwdev, R_AX_RSV_CTRL, B_AX_WLOCK_1C_BIT6);
-	rtw89_write32_set(rtwdev, R_AX_PCIE_INIT_CFG1,
-			  B_AX_PCIE_PERST_KEEP_REG | B_AX_PCIE_TRAIN_KEEP_REG);
+	if (chip_id == RTL8852A || chip_id == RTL8852B) {
+		rtw89_write32_clr(rtwdev, R_AX_SYS_SDIO_CTRL,
+				  B_AX_PCIE_DIS_L2_CTRL_LDO_HCI);
+		rtw89_write32_set(rtwdev, R_AX_PCIE_INIT_CFG1,
+				  B_AX_PCIE_PERST_KEEP_REG | B_AX_PCIE_TRAIN_KEEP_REG);
+	} else {
+		rtw89_write32_clr(rtwdev, R_AX_PCIE_PS_CTRL_V1,
+				  B_AX_CMAC_EXIT_L1_EN | B_AX_DMAC0_EXIT_L1_EN);
+	}
 
 	return 0;
 }
@@ -3676,15 +3682,24 @@ static int __maybe_unused rtw89_pci_resume(struct device *dev)
 {
 	struct ieee80211_hw *hw = dev_get_drvdata(dev);
 	struct rtw89_dev *rtwdev = hw->priv;
+	enum rtw89_core_chip_id chip_id = rtwdev->chip->chip_id;
 
-	rtw89_write32_set(rtwdev, R_AX_SYS_SDIO_CTRL,
-			  B_AX_PCIE_DIS_L2_CTRL_LDO_HCI);
 	rtw89_write32_set(rtwdev, R_AX_RSV_CTRL, B_AX_WLOCK_1C_BIT6);
 	rtw89_write32_clr(rtwdev, R_AX_RSV_CTRL, B_AX_R_DIS_PRST);
 	rtw89_write32_clr(rtwdev, R_AX_RSV_CTRL, B_AX_WLOCK_1C_BIT6);
-	rtw89_write32_clr(rtwdev, R_AX_PCIE_INIT_CFG1,
-			  B_AX_PCIE_PERST_KEEP_REG | B_AX_PCIE_TRAIN_KEEP_REG);
+	if (chip_id == RTL8852A || chip_id == RTL8852B) {
+		rtw89_write32_set(rtwdev, R_AX_SYS_SDIO_CTRL,
+				  B_AX_PCIE_DIS_L2_CTRL_LDO_HCI);
+		rtw89_write32_clr(rtwdev, R_AX_PCIE_INIT_CFG1,
+				  B_AX_PCIE_PERST_KEEP_REG | B_AX_PCIE_TRAIN_KEEP_REG);
+	} else {
+		rtw89_write32_set(rtwdev, R_AX_PCIE_PS_CTRL_V1,
+				  B_AX_CMAC_EXIT_L1_EN | B_AX_DMAC0_EXIT_L1_EN);
+		rtw89_write32_clr(rtwdev, R_AX_PCIE_PS_CTRL_V1,
+				  B_AX_SEL_REQ_ENTR_L1);
+	}
 	rtw89_pci_l2_hci_ldo(rtwdev);
+	rtw89_pci_filter_out(rtwdev);
 	rtw89_pci_link_cfg(rtwdev);
 	rtw89_pci_l1ss_cfg(rtwdev);
 
-- 
2.25.1