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authorFelix Fietkau <nbd@nbd.name>2016-07-11 10:38:21 +0200
committerFelix Fietkau <nbd@nbd.name>2016-07-15 14:15:34 +0200
commit3273267c2b2ce11e9ea9bd032f642595d6191d94 (patch)
tree4c577addf0cfc8082363a88e3c5502577759f338 /package
parent9edb651094c3ad686ca968cc2c936f7ae6f3429b (diff)
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ath9k: fix spectral scan on AR9285 and newer AR92xx chipsets
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'package')
-rw-r--r--package/kernel/mac80211/patches/324-ath9k_hw-fix-spectral-scan-on-AR9285-and-newer.patch86
-rw-r--r--package/kernel/mac80211/patches/543-ath9k_entropy_from_adc.patch2
2 files changed, 87 insertions, 1 deletions
diff --git a/package/kernel/mac80211/patches/324-ath9k_hw-fix-spectral-scan-on-AR9285-and-newer.patch b/package/kernel/mac80211/patches/324-ath9k_hw-fix-spectral-scan-on-AR9285-and-newer.patch
new file mode 100644
index 0000000000..b6f48680b7
--- /dev/null
+++ b/package/kernel/mac80211/patches/324-ath9k_hw-fix-spectral-scan-on-AR9285-and-newer.patch
@@ -0,0 +1,86 @@
+From: Felix Fietkau <nbd@nbd.name>
+Date: Mon, 11 Jul 2016 10:34:37 +0200
+Subject: [PATCH] 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>
+---
+
+--- 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_diversi
+ 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_conf
+ 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_conf
+ */
+ 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,
+--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.h
++++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.h
+@@ -177,8 +177,11 @@
+ #define AR_PHY_SPECTRAL_SCAN_PERIOD_S 8
+ #define AR_PHY_SPECTRAL_SCAN_COUNT 0x00FF0000 /* Number of reports, reg 68, bits 16-23*/
+ #define AR_PHY_SPECTRAL_SCAN_COUNT_S 16
++#define AR_PHY_SPECTRAL_SCAN_COUNT_KIWI 0x0FFF0000 /* Number of reports, reg 68, bits 16-27*/
++#define AR_PHY_SPECTRAL_SCAN_COUNT_KIWI_S 16
+ #define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT 0x01000000 /* Short repeat, reg 68, bit 24*/
+-#define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_S 24 /* Short repeat, reg 68, bit 24*/
++#define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_KIWI 0x10000000 /* Short repeat, reg 68, bit 28*/
++#define AR_PHY_SPECTRAL_SCAN_PHYERR_MASK_SELECT 0x40000000
+
+ #define AR_PHY_RX_DELAY 0x9914
+ #define AR_PHY_SEARCH_START_DELAY 0x9918
diff --git a/package/kernel/mac80211/patches/543-ath9k_entropy_from_adc.patch b/package/kernel/mac80211/patches/543-ath9k_entropy_from_adc.patch
index 7da71653a9..413df7ef06 100644
--- a/package/kernel/mac80211/patches/543-ath9k_entropy_from_adc.patch
+++ b/package/kernel/mac80211/patches/543-ath9k_entropy_from_adc.patch
@@ -175,7 +175,7 @@
#define AR_PHY_TIMING2 0x9810
#define AR_PHY_TIMING3 0x9814
#define AR_PHY_TIMING3_DSC_MAN 0xFFFE0000
-@@ -390,6 +399,8 @@
+@@ -393,6 +402,8 @@
#define AR_PHY_RFBUS_GRANT 0x9C20
#define AR_PHY_RFBUS_GRANT_EN 0x00000001