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authorFelix Fietkau <nbd@nbd.name>2016-07-11 10:35:39 +0200
committerKalle Valo <kvalo@qca.qualcomm.com>2016-07-19 20:58:07 +0300
commit7d6c2d1e34ef9a5675a7a4a8811cecbb2dd273dd (patch)
tree4986ec6aa4875d7921bc28ce796bcb1d57ede26d /drivers/net/wireless/ath/ath9k/ar9002_phy.c
parent56398519969365351e70de5c1226f32ebaaadbd3 (diff)
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ath9k_hw: fix spectral scan on AR9285 and newer
The register layout of AR_PHY_SPECTRAL_SCAN has changed, only AR9280 uses the old layout Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ar9002_phy.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ar9002_phy.c32
1 files changed, 23 insertions, 9 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
index 53d7445a5d12..61a9b85045d2 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
@@ -476,6 +476,7 @@ static void ar9002_hw_set_bt_ant_diversity(struct ath_hw *ah, bool enable)
static void ar9002_hw_spectral_scan_config(struct ath_hw *ah,
struct ath_spec_scan *param)
{
+ u32 repeat_bit;
u8 count;
if (!param->enabled) {
@@ -486,12 +487,15 @@ static void ar9002_hw_spectral_scan_config(struct ath_hw *ah,
REG_SET_BIT(ah, AR_PHY_RADAR_0, AR_PHY_RADAR_0_FFT_ENA);
REG_SET_BIT(ah, AR_PHY_SPECTRAL_SCAN, AR_PHY_SPECTRAL_SCAN_ENABLE);
+ if (AR_SREV_9280(ah))
+ repeat_bit = AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT;
+ else
+ repeat_bit = AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_KIWI;
+
if (param->short_repeat)
- REG_SET_BIT(ah, AR_PHY_SPECTRAL_SCAN,
- AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT);
+ REG_SET_BIT(ah, AR_PHY_SPECTRAL_SCAN, repeat_bit);
else
- REG_CLR_BIT(ah, AR_PHY_SPECTRAL_SCAN,
- AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT);
+ REG_CLR_BIT(ah, AR_PHY_SPECTRAL_SCAN, repeat_bit);
/* on AR92xx, the highest bit of count will make the the chip send
* spectral samples endlessly. Check if this really was intended,
@@ -499,15 +503,25 @@ static void ar9002_hw_spectral_scan_config(struct ath_hw *ah,
*/
count = param->count;
if (param->endless) {
- if (AR_SREV_9271(ah))
- count = 0;
- else
+ if (AR_SREV_9280(ah))
count = 0x80;
+ else
+ count = 0;
} else if (count & 0x80)
count = 0x7f;
+ else if (!count)
+ count = 1;
+
+ if (AR_SREV_9280(ah)) {
+ REG_RMW_FIELD(ah, AR_PHY_SPECTRAL_SCAN,
+ AR_PHY_SPECTRAL_SCAN_COUNT, count);
+ } else {
+ REG_RMW_FIELD(ah, AR_PHY_SPECTRAL_SCAN,
+ AR_PHY_SPECTRAL_SCAN_COUNT_KIWI, count);
+ REG_SET_BIT(ah, AR_PHY_SPECTRAL_SCAN,
+ AR_PHY_SPECTRAL_SCAN_PHYERR_MASK_SELECT);
+ }
- REG_RMW_FIELD(ah, AR_PHY_SPECTRAL_SCAN,
- AR_PHY_SPECTRAL_SCAN_COUNT, count);
REG_RMW_FIELD(ah, AR_PHY_SPECTRAL_SCAN,
AR_PHY_SPECTRAL_SCAN_PERIOD, param->period);
REG_RMW_FIELD(ah, AR_PHY_SPECTRAL_SCAN,
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