/*
* Interrupt functions.
*/
static void rt2800pci_wakeup(struct rt2x00_dev *rt2x00dev)
{
struct ieee80211_conf conf = { .flags = 0 };
struct rt2x00lib_conf libconf = { .conf = &conf };
rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS);
}
static void rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
{
struct data_queue *queue;
struct queue_entry *entry;
u32 status;
u8 qid;
while (kfifo_get(&rt2x00dev->txstatus_fifo, &status)) {
qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE);
if (qid >= QID_RX) {
/*
* Unknown queue, this shouldn't happen. Just drop
* this tx status.
*/
WARNING(rt2x00dev, "Got TX status report with "
"unexpected pid %u, dropping\n", qid);
break;
}
queue = rt2x00queue_get_queue(rt2x00dev, qid);
if (unlikely(queue == NULL)) {
/*
* The queue is NULL, this shouldn't happen. Stop
* processing here and drop the tx status
*/
WARNING(rt2x00dev, "Got TX status for an unavailable "
"queue %u, dropping\n", qid);
break;
}
if (rt2x00queue_empty(queue)) {
/*
* The queue is empty. Stop processing here
* and drop the tx status.
*/
WARNING(rt2x00dev, "Got TX status for an empty "
"queue %u, dropping\n", qid);
break;
}
entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
rt2800_txdone_entry(entry, status);
}
}
static void rt2800pci_txstatus_tasklet(unsigned long data)
{
rt2800pci_txdone((struct rt2x00_dev *)data);
}
/*
* Interrupt functions.
*/
static void rt2800pci_wakeup(struct rt2x00_dev *rt2x00dev)
{
struct ieee80211_conf conf = { .flags = 0 };
struct rt2x00lib_conf libconf = { .conf = &conf };
rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS);
}
static bool rt2800pci_txdone_entry_check(struct queue_entry *entry, u32 status)
{
__le32 *txwi;
u32 word;
int wcid, tx_wcid;
wcid = rt2x00_get_field32(status, TX_STA_FIFO_WCID);
txwi = rt2800_drv_get_txwi(entry);
rt2x00_desc_read(txwi, 1, &word);
tx_wcid = rt2x00_get_field32(word, TXWI_W1_WIRELESS_CLI_ID);
return (tx_wcid == wcid);
}
/*
* Interrupt functions.
*/
static void rt2800pci_wakeup(struct rt2x00_dev *rt2x00dev)
{
struct ieee80211_conf conf = { .flags = 0 };
struct rt2x00lib_conf libconf = { .conf = &conf };
rt2800_config(rt2x00dev, &libconf, IEEE80211_CONF_CHANGE_PS);
}
static bool rt2800pci_txdone(struct rt2x00_dev *rt2x00dev)
{
struct data_queue *queue;
struct queue_entry *entry;
u32 status;
u8 qid;
int max_tx_done = 16;
while (kfifo_get(&rt2x00dev->txstatus_fifo, &status)) {
qid = rt2x00_get_field32(status, TX_STA_FIFO_PID_QUEUE);
if (unlikely(qid >= QID_RX)) {
/*
* Unknown queue, this shouldn't happen. Just drop
* this tx status.
*/
WARNING(rt2x00dev, "Got TX status report with "
"unexpected pid %u, dropping\n", qid);
break;
}
queue = rt2x00queue_get_tx_queue(rt2x00dev, qid);
if (unlikely(queue == NULL)) {
/*
* The queue is NULL, this shouldn't happen. Stop
* processing here and drop the tx status
*/
WARNING(rt2x00dev, "Got TX status for an unavailable "
"queue %u, dropping\n", qid);
break;
}
if (unlikely(rt2x00queue_empty(queue))) {
/*
* The queue is empty. Stop processing here
* and drop the tx status.
*/
WARNING(rt2x00dev, "Got TX status for an empty "
"queue %u, dropping\n", qid);
break;
}
entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
rt2800_txdone_entry(entry, status, rt2800pci_get_txwi(entry));
if (--max_tx_done == 0)
break;
}
return !max_tx_done;
}
static inline void rt2800pci_enable_interrupt(struct rt2x00_dev *rt2x00dev,
struct rt2x00_field32 irq_field)
{
u32 reg;
/*
* Enable a single interrupt. The interrupt mask register
* access needs locking.
*/
spin_lock_irq(&rt2x00dev->irqmask_lock);
rt2x00pci_register_read(rt2x00dev, INT_MASK_CSR, ®);
rt2x00_set_field32(®, irq_field, 1);
rt2x00pci_register_write(rt2x00dev, INT_MASK_CSR, reg);
spin_unlock_irq(&rt2x00dev->irqmask_lock);
}
