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rt2x00:Add VCO recalibration

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Signed-off-by: John Li <chen-yang.li@mediatek.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
John Li
2012-02-16 21:40:57 +08:00
committed by John W. Linville
parent 9da2723206
commit 2e9c43dd45
10 changed files with 171 additions and 0 deletions
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39
drivers/net/wireless/rt2x00/rt2x00link.c
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@@ -447,11 +447,27 @@ void rt2x00link_start_agc(struct rt2x00_dev *rt2x00dev)
AGC_INTERVAL);
}
void rt2x00link_start_vcocal(struct rt2x00_dev *rt2x00dev)
{
struct link *link = &rt2x00dev->link;
if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) &&
rt2x00dev->ops->lib->vco_calibration)
ieee80211_queue_delayed_work(rt2x00dev->hw,
&link->vco_work,
VCO_INTERVAL);
}
void rt2x00link_stop_agc(struct rt2x00_dev *rt2x00dev)
{
cancel_delayed_work_sync(&rt2x00dev->link.agc_work);
}
void rt2x00link_stop_vcocal(struct rt2x00_dev *rt2x00dev)
{
cancel_delayed_work_sync(&rt2x00dev->link.vco_work);
}
static void rt2x00link_agc(struct work_struct *work)
{
struct rt2x00_dev *rt2x00dev =
@@ -473,9 +489,32 @@ static void rt2x00link_agc(struct work_struct *work)
AGC_INTERVAL);
}
static void rt2x00link_vcocal(struct work_struct *work)
{
struct rt2x00_dev *rt2x00dev =
container_of(work, struct rt2x00_dev, link.vco_work.work);
struct link *link = &rt2x00dev->link;
/*
* When the radio is shutting down we should
* immediately cease the VCO calibration.
*/
if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
return;
rt2x00dev->ops->lib->vco_calibration(rt2x00dev);
if (test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
ieee80211_queue_delayed_work(rt2x00dev->hw,
&link->vco_work,
VCO_INTERVAL);
}
void rt2x00link_register(struct rt2x00_dev *rt2x00dev)
{
INIT_DELAYED_WORK(&rt2x00dev->link.agc_work, rt2x00link_agc);
if (test_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags))
INIT_DELAYED_WORK(&rt2x00dev->link.vco_work, rt2x00link_vcocal);
INIT_DELAYED_WORK(&rt2x00dev->link.watchdog_work, rt2x00link_watchdog);
INIT_DELAYED_WORK(&rt2x00dev->link.work, rt2x00link_tuner);
}