ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/net/wireless/mediatek/mt76/mcu.c b/marvell/linux/drivers/net/wireless/mediatek/mt76/mcu.c
new file mode 100644
index 0000000..2a97668
--- /dev/null
+++ b/marvell/linux/drivers/net/wireless/mediatek/mt76/mcu.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (C) 2019 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ */
+
+#include "mt76.h"
+
+struct sk_buff *
+mt76_mcu_msg_alloc(const void *data, int head_len,
+ int data_len, int tail_len)
+{
+ struct sk_buff *skb;
+
+ skb = alloc_skb(head_len + data_len + tail_len,
+ GFP_KERNEL);
+ if (!skb)
+ return NULL;
+
+ skb_reserve(skb, head_len);
+ if (data && data_len)
+ skb_put_data(skb, data, data_len);
+
+ return skb;
+}
+EXPORT_SYMBOL_GPL(mt76_mcu_msg_alloc);
+
+/* mmio */
+struct sk_buff *mt76_mcu_get_response(struct mt76_dev *dev,
+ unsigned long expires)
+{
+ unsigned long timeout;
+
+ if (!time_is_after_jiffies(expires))
+ return NULL;
+
+ timeout = expires - jiffies;
+ wait_event_timeout(dev->mmio.mcu.wait,
+ !skb_queue_empty(&dev->mmio.mcu.res_q),
+ timeout);
+ return skb_dequeue(&dev->mmio.mcu.res_q);
+}
+EXPORT_SYMBOL_GPL(mt76_mcu_get_response);
+
+void mt76_mcu_rx_event(struct mt76_dev *dev, struct sk_buff *skb)
+{
+ skb_queue_tail(&dev->mmio.mcu.res_q, skb);
+ wake_up(&dev->mmio.mcu.wait);
+}
+EXPORT_SYMBOL_GPL(mt76_mcu_rx_event);