[][MAC80211][Change MT76 Makefile and add bersa support]
[Description]
Change MT76 Makefile and add bersa support
[Release-log]
N/A
Change-Id: Iecb0e9968c8e212a6ab92698c84d2e3a56dbd65b
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5809192
diff --git a/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/mcu.c b/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/mcu.c
new file mode 100644
index 0000000..3f94c37
--- /dev/null
+++ b/autobuild_mac80211_release/mt7986_bersa_mac80211/package/kernel/mt76/src/mcu.c
@@ -0,0 +1,132 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (C) 2019 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ */
+
+#include "mt76.h"
+
+struct sk_buff *
+mt76_mcu_msg_alloc(struct mt76_dev *dev, const void *data,
+ int data_len)
+{
+ const struct mt76_mcu_ops *ops = dev->mcu_ops;
+ int length = ops->headroom + data_len + ops->tailroom;
+ struct sk_buff *skb;
+
+ skb = alloc_skb(length, GFP_KERNEL);
+ if (!skb)
+ return NULL;
+
+ memset(skb->head, 0, length);
+ skb_reserve(skb, ops->headroom);
+
+ if (data && data_len)
+ skb_put_data(skb, data, data_len);
+
+ return skb;
+}
+EXPORT_SYMBOL_GPL(mt76_mcu_msg_alloc);
+
+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->mcu.wait,
+ (!skb_queue_empty(&dev->mcu.res_q) ||
+ test_bit(MT76_MCU_RESET, &dev->phy.state)),
+ timeout);
+ return skb_dequeue(&dev->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->mcu.res_q, skb);
+ wake_up(&dev->mcu.wait);
+}
+EXPORT_SYMBOL_GPL(mt76_mcu_rx_event);
+
+int mt76_mcu_send_and_get_msg(struct mt76_dev *dev, int cmd, const void *data,
+ int len, bool wait_resp, struct sk_buff **ret_skb)
+{
+ struct sk_buff *skb;
+
+ if (dev->mcu_ops->mcu_send_msg)
+ return dev->mcu_ops->mcu_send_msg(dev, cmd, data, len, wait_resp);
+
+ skb = mt76_mcu_msg_alloc(dev, data, len);
+ if (!skb)
+ return -ENOMEM;
+
+ return mt76_mcu_skb_send_and_get_msg(dev, skb, cmd, wait_resp, ret_skb);
+}
+EXPORT_SYMBOL_GPL(mt76_mcu_send_and_get_msg);
+
+int mt76_mcu_skb_send_and_get_msg(struct mt76_dev *dev, struct sk_buff *skb,
+ int cmd, bool wait_resp,
+ struct sk_buff **ret_skb)
+{
+ unsigned long expires;
+ int ret, seq;
+
+ if (ret_skb)
+ *ret_skb = NULL;
+
+ mutex_lock(&dev->mcu.mutex);
+
+ ret = dev->mcu_ops->mcu_skb_send_msg(dev, skb, cmd, &seq);
+ if (ret < 0)
+ goto out;
+
+ if (!wait_resp) {
+ ret = 0;
+ goto out;
+ }
+
+ expires = jiffies + dev->mcu.timeout;
+
+ do {
+ skb = mt76_mcu_get_response(dev, expires);
+ ret = dev->mcu_ops->mcu_parse_response(dev, cmd, skb, seq);
+ if (!ret && ret_skb)
+ *ret_skb = skb;
+ else
+ dev_kfree_skb(skb);
+ } while (ret == -EAGAIN);
+
+out:
+ mutex_unlock(&dev->mcu.mutex);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(mt76_mcu_skb_send_and_get_msg);
+
+int __mt76_mcu_send_firmware(struct mt76_dev *dev, int cmd, const void *data,
+ int len, int max_len)
+{
+ int err, cur_len;
+
+ while (len > 0) {
+ cur_len = min_t(int, max_len, len);
+
+ err = mt76_mcu_send_msg(dev, cmd, data, cur_len, false);
+ if (err)
+ return err;
+
+ data += cur_len;
+ len -= cur_len;
+
+ if (dev->queue_ops->tx_cleanup)
+ dev->queue_ops->tx_cleanup(dev,
+ dev->q_mcu[MT_MCUQ_FWDL],
+ false);
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(__mt76_mcu_send_firmware);