wifi: rtw89: support deep ps mode for rtw8852c

rtw8852c could support deep ps mode if the firmware version
is greater than 0.17.34.

Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220908051257.25353-7-pkshih@realtek.com

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

@@ -1708,7 +1708,8 @@ static enum rtw89_ps_mode rtw89_update_ps_mode(struct rtw89_dev *rtwdev)
 {
 	const struct rtw89_chip_info *chip = rtwdev->chip;
 
-	if (rtw89_disable_ps_mode || !chip->ps_mode_supported)
+	if (rtw89_disable_ps_mode || !chip->ps_mode_supported ||
+	    RTW89_CHK_FW_FEATURE(NO_DEEP_PS, &rtwdev->fw))
 		return RTW89_PS_MODE_NONE;
 
 	if (chip->ps_mode_supported & BIT(RTW89_PS_MODE_PWR_GATED))

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

@@ -2734,6 +2734,7 @@ enum rtw89_fw_feature {
 	RTW89_FW_FEATURE_SCAN_OFFLOAD,
 	RTW89_FW_FEATURE_TX_WAKE,
 	RTW89_FW_FEATURE_CRASH_TRIGGER,
+	RTW89_FW_FEATURE_NO_DEEP_PS,
 };
 
 struct rtw89_fw_suit {

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

@@ -225,6 +225,7 @@ static const struct __fw_feat_cfg fw_feat_tbl[] = {
 	__CFG_FW_FEAT(RTL8852A, ge, 0, 13, 35, 0, SCAN_OFFLOAD),
 	__CFG_FW_FEAT(RTL8852A, ge, 0, 13, 35, 0, TX_WAKE),
 	__CFG_FW_FEAT(RTL8852A, ge, 0, 13, 36, 0, CRASH_TRIGGER),
+	__CFG_FW_FEAT(RTL8852C, le, 0, 27, 33, 0, NO_DEEP_PS),
 };
 
 static void rtw89_fw_recognize_features(struct rtw89_dev *rtwdev)

drivers/net/wireless/realtek/rtw89/rtw8852c.c

@@ -3059,7 +3059,9 @@ const struct rtw89_chip_info rtw8852c_chip_info = {
 	.rf_para_ulink		= rtw89_btc_8852c_rf_ul,
 	.rf_para_dlink_num	= ARRAY_SIZE(rtw89_btc_8852c_rf_dl),
 	.rf_para_dlink		= rtw89_btc_8852c_rf_dl,
-	.ps_mode_supported	= 0,
+	.ps_mode_supported	= BIT(RTW89_PS_MODE_RFOFF) |
+				  BIT(RTW89_PS_MODE_CLK_GATED) |
+				  BIT(RTW89_PS_MODE_PWR_GATED),
 	.low_power_hci_modes	= BIT(RTW89_PS_MODE_CLK_GATED) |
 				  BIT(RTW89_PS_MODE_PWR_GATED),
 	.h2c_cctl_func_id	= H2C_FUNC_MAC_CCTLINFO_UD_V1,