1 files changed, 88 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_core.c b/drivers/net/wireless/mediatek/mt76/mt76x2_core.c
new file mode 100644
index 000000000000..2629779e8d3e
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_core.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/delay.h>
+#include "mt76x2.h"
+#include "mt76x2_trace.h"
+
+void mt76x2_set_irq_mask(struct mt76x2_dev *dev, u32 clear, u32 set)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&dev->irq_lock, flags);
+	dev->irqmask &= ~clear;
+	dev->irqmask |= set;
+	mt76_wr(dev, MT_INT_MASK_CSR, dev->irqmask);
+	spin_unlock_irqrestore(&dev->irq_lock, flags);
+}
+
+void mt76x2_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q)
+{
+	struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76);
+
+	mt76x2_irq_enable(dev, MT_INT_RX_DONE(q));
+}
+
+irqreturn_t mt76x2_irq_handler(int irq, void *dev_instance)
+{
+	struct mt76x2_dev *dev = dev_instance;
+	u32 intr;
+
+	intr = mt76_rr(dev, MT_INT_SOURCE_CSR);
+	mt76_wr(dev, MT_INT_SOURCE_CSR, intr);
+
+	if (!test_bit(MT76_STATE_INITIALIZED, &dev->mt76.state))
+		return IRQ_NONE;
+
+	trace_dev_irq(dev, intr, dev->irqmask);
+
+	intr &= dev->irqmask;
+
+	if (intr & MT_INT_TX_DONE_ALL) {
+		mt76x2_irq_disable(dev, MT_INT_TX_DONE_ALL);
+		tasklet_schedule(&dev->tx_tasklet);
+	}
+
+	if (intr & MT_INT_RX_DONE(0)) {
+		mt76x2_irq_disable(dev, MT_INT_RX_DONE(0));
+		napi_schedule(&dev->mt76.napi[0]);
+	}
+
+	if (intr & MT_INT_RX_DONE(1)) {
+		mt76x2_irq_disable(dev, MT_INT_RX_DONE(1));
+		napi_schedule(&dev->mt76.napi[1]);
+	}
+
+	if (intr & MT_INT_PRE_TBTT)
+		tasklet_schedule(&dev->pre_tbtt_tasklet);
+
+	/* send buffered multicast frames now */
+	if (intr & MT_INT_TBTT)
+		mt76_queue_kick(dev, &dev->mt76.q_tx[MT_TXQ_PSD]);
+
+	if (intr & MT_INT_TX_STAT) {
+		mt76x2_mac_poll_tx_status(dev, true);
+		tasklet_schedule(&dev->tx_tasklet);
+	}
+
+	if (intr & MT_INT_GPTIMER) {
+		mt76x2_irq_disable(dev, MT_INT_GPTIMER);
+		tasklet_schedule(&dev->dfs_pd.dfs_tasklet);
+	}
+
+	return IRQ_HANDLED;
+}
+