mt76: connac: introduce mt76_connac_mcu_set_deep_sleep utility

Introduce mt76_connac_mcu_set_deep_sleep to enable deep sleep mode
and will be activated immediately when the host returns the ownership
to the device.
Co-developed-by: Leon Yen <leon.yen@mediatek.com>
Signed-off-by: Leon Yen <leon.yen@mediatek.com>
Co-developed-by: YN Chen <YN.Chen@mediatek.com>
Signed-off-by: YN Chen <YN.Chen@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c

@@ -1528,14 +1528,7 @@ EXPORT_SYMBOL_GPL(mt76_connac_mcu_sched_scan_enable);
 
 int mt76_connac_mcu_chip_config(struct mt76_dev *dev)
 {
-	struct {
-		__le16 id;
-		u8 type;
-		u8 resp_type;
-		__le16 data_size;
-		__le16 resv;
-		u8 data[320];
-	} req = {
+	struct mt76_connac_config req = {
 		.resp_type = 0,
 	};
 
@@ -1546,6 +1539,19 @@ int mt76_connac_mcu_chip_config(struct mt76_dev *dev)
 }
 EXPORT_SYMBOL_GPL(mt76_connac_mcu_chip_config);
 
+int mt76_connac_mcu_set_deep_sleep(struct mt76_dev *dev, bool enable)
+{
+	struct mt76_connac_config req = {
+		.resp_type = 0,
+	};
+
+	snprintf(req.data, sizeof(req.data), "KeepFullPwr %d", !enable);
+
+	return mt76_mcu_send_msg(dev, MCU_CMD_CHIP_CONFIG, &req, sizeof(req),
+				 false);
+}
+EXPORT_SYMBOL_GPL(mt76_connac_mcu_set_deep_sleep);
+
 void mt76_connac_mcu_coredump_event(struct mt76_dev *dev, struct sk_buff *skb,
 				    struct mt76_connac_coredump *coredump)
 {

drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h

@@ -918,6 +918,15 @@ struct mt76_connac_tx_power_limit_tlv {
 	u8 pad2[32];
 } __packed;
 
+struct mt76_connac_config {
+	__le16 id;
+	u8 type;
+	u8 resp_type;
+	__le16 data_size;
+	__le16 resv;
+	u8 data[320];
+} __packed;
+
 #define to_wcid_lo(id)		FIELD_GET(GENMASK(7, 0), (u16)id)
 #define to_wcid_hi(id)		FIELD_GET(GENMASK(9, 8), (u16)id)
 
@@ -1020,6 +1029,7 @@ int mt76_connac_mcu_set_hif_suspend(struct mt76_dev *dev, bool suspend);
 void mt76_connac_mcu_set_suspend_iter(void *priv, u8 *mac,
 				      struct ieee80211_vif *vif);
 int mt76_connac_mcu_chip_config(struct mt76_dev *dev);
+int mt76_connac_mcu_set_deep_sleep(struct mt76_dev *dev, bool enable);
 void mt76_connac_mcu_coredump_event(struct mt76_dev *dev, struct sk_buff *skb,
 				    struct mt76_connac_coredump *coredump);
 int mt76_connac_mcu_set_rate_txpower(struct mt76_phy *phy);