Files
mt76/mt76x2_core.c
T
2016-02-03 15:58:40 +01:00

80 lines
2.0 KiB
C

/*
* Copyright (C) 2014 Felix Fietkau <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#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);
}
return IRQ_HANDLED;
}