1 files changed, 67 insertions, 1 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/usb.c b/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
index aeeba7c72f14..967641aebf5f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
@@ -21,6 +21,64 @@ static const struct usb_device_id mt7615_device_table[] = {
 	{ },
 };
 
+static u32 mt7663u_rr(struct mt76_dev *dev, u32 addr)
+{
+	u32 ret;
+
+	mutex_lock(&dev->usb.usb_ctrl_mtx);
+	ret = ___mt76u_rr(dev, MT_VEND_READ_EXT,
+			  USB_DIR_IN | USB_TYPE_VENDOR, addr);
+	mutex_unlock(&dev->usb.usb_ctrl_mtx);
+
+	return ret;
+}
+
+static void mt7663u_wr(struct mt76_dev *dev, u32 addr, u32 val)
+{
+	mutex_lock(&dev->usb.usb_ctrl_mtx);
+	___mt76u_wr(dev, MT_VEND_WRITE_EXT,
+		    USB_DIR_OUT | USB_TYPE_VENDOR, addr, val);
+	mutex_unlock(&dev->usb.usb_ctrl_mtx);
+}
+
+static u32 mt7663u_rmw(struct mt76_dev *dev, u32 addr,
+		       u32 mask, u32 val)
+{
+	mutex_lock(&dev->usb.usb_ctrl_mtx);
+	val |= ___mt76u_rr(dev, MT_VEND_READ_EXT,
+			   USB_DIR_IN | USB_TYPE_VENDOR, addr) & ~mask;
+	___mt76u_wr(dev, MT_VEND_WRITE_EXT,
+		    USB_DIR_OUT | USB_TYPE_VENDOR, addr, val);
+	mutex_unlock(&dev->usb.usb_ctrl_mtx);
+
+	return val;
+}
+
+static void mt7663u_copy(struct mt76_dev *dev, u32 offset,
+			 const void *data, int len)
+{
+	struct mt76_usb *usb = &dev->usb;
+	int ret, i = 0, batch_len;
+	const u8 *val = data;
+
+	len = round_up(len, 4);
+
+	mutex_lock(&usb->usb_ctrl_mtx);
+	while (i < len) {
+		batch_len = min_t(int, usb->data_len, len - i);
+		memcpy(usb->data, val + i, batch_len);
+		ret = __mt76u_vendor_request(dev, MT_VEND_WRITE_EXT,
+					     USB_DIR_OUT | USB_TYPE_VENDOR,
+					     (offset + i) >> 16, offset + i,
+					     usb->data, batch_len);
+		if (ret < 0)
+			break;
+
+		i += batch_len;
+	}
+	mutex_unlock(&usb->usb_ctrl_mtx);
+}
+
 static void mt7663u_stop(struct ieee80211_hw *hw)
 {
 	struct mt7615_phy *phy = mt7615_hw_phy(hw);
@@ -66,6 +124,14 @@ static int mt7663u_probe(struct usb_interface *usb_intf,
 		.sta_remove = mt7615_mac_sta_remove,
 		.update_survey = mt7615_update_channel,
 	};
+	static struct mt76_bus_ops bus_ops = {
+		.rr = mt7663u_rr,
+		.wr = mt7663u_wr,
+		.rmw = mt7663u_rmw,
+		.read_copy = mt76u_read_copy,
+		.write_copy = mt7663u_copy,
+		.type = MT76_BUS_USB,
+	};
 	struct usb_device *udev = interface_to_usbdev(usb_intf);
 	struct ieee80211_ops *ops;
 	struct mt7615_dev *dev;
@@ -92,7 +158,7 @@ static int mt7663u_probe(struct usb_interface *usb_intf,
 	INIT_WORK(&dev->mcu_work, mt7663u_init_work);
 	dev->reg_map = mt7663_usb_sdio_reg_map;
 	dev->ops = ops;
-	ret = mt76u_init(mdev, usb_intf, true);
+	ret = __mt76u_init(mdev, usb_intf, &bus_ops);
 	if (ret < 0)
 		goto error;