mt76: mt7663s: introduce WoW support via GPIO

SDIO-based WiFi would rely on an additional GPIO pin to wake up the host.

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>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index 8a74775..1b6cf57 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -3498,6 +3498,8 @@ int mt7615_mcu_set_hif_suspend(struct mt7615_dev *dev, bool suspend)
                req.hdr.hif_type = 2;
        else if (mt76_is_usb(&dev->mt76))
                req.hdr.hif_type = 1;
+       else if (mt76_is_sdio(&dev->mt76))
+               req.hdr.hif_type = 0;
 
        return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_HIF_CTRL, &req,
                                 sizeof(req), true);
@@ -3516,6 +3518,7 @@ mt7615_mcu_set_wow_ctrl(struct mt7615_phy *phy, struct ieee80211_vif *vif,
                        u8 pad[3];
                } __packed hdr;
                struct mt7615_wow_ctrl_tlv wow_ctrl_tlv;
+               struct mt7615_wow_gpio_param_tlv gpio_tlv;
        } req = {
                .hdr = {
                        .bss_idx = mvif->idx,
@@ -3525,6 +3528,11 @@ mt7615_mcu_set_wow_ctrl(struct mt7615_phy *phy, struct ieee80211_vif *vif,
                        .len = cpu_to_le16(sizeof(struct mt7615_wow_ctrl_tlv)),
                        .cmd = suspend ? 1 : 2,
                },
+               .gpio_tlv = {
+                       .tag = cpu_to_le16(UNI_SUSPEND_WOW_GPIO_PARAM),
+                       .len = cpu_to_le16(sizeof(struct mt7615_wow_gpio_param_tlv)),
+                       .gpio_pin = 0xff, /* follow fw about GPIO pin */
+               },
        };
 
        if (wowlan->magic_pkt)
@@ -3538,9 +3546,11 @@ mt7615_mcu_set_wow_ctrl(struct mt7615_phy *phy, struct ieee80211_vif *vif,
        }
 
        if (mt76_is_mmio(&dev->mt76))
-               req.wow_ctrl_tlv.wakeup_hif = 2;
+               req.wow_ctrl_tlv.wakeup_hif = WOW_PCIE;
        else if (mt76_is_usb(&dev->mt76))
-               req.wow_ctrl_tlv.wakeup_hif = 1;
+               req.wow_ctrl_tlv.wakeup_hif = WOW_USB;
+       else if (mt76_is_sdio(&dev->mt76))
+               req.wow_ctrl_tlv.wakeup_hif = WOW_GPIO;
 
        return mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_SUSPEND, &req,
                                 sizeof(req), true);

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
index 7b856e9..59ad6ac 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
@@ -477,6 +477,12 @@ struct mt7615_bss_qos_tlv {
        u8 pad[3];
 } __packed;
 
+enum {
+       WOW_USB = 1,
+       WOW_PCIE = 2,
+       WOW_GPIO = 3,
+};
+
 struct mt7615_wow_ctrl_tlv {
        __le16 tag;
        __le16 len;
@@ -501,6 +507,16 @@ struct mt7615_wow_ctrl_tlv {
        u8 rsv[4];
 } __packed;
 
+struct mt7615_wow_gpio_param_tlv {
+       __le16 tag;
+       __le16 len;
+       u8 gpio_pin;
+       u8 trigger_lvl;
+       u8 pad[2];
+       __le32 gpio_interval;
+       u8 rsv[4];
+} __packed;
+
 #define MT7615_WOW_MASK_MAX_LEN                16
 #define MT7615_WOW_PATTEN_MAX_LEN      128
 struct mt7615_wow_pattern_tlv {