diff options
| author |   Felix Fietkau <nbd@nbd.name> | 2016-07-11 10:35:39 +0200 |
|---|---|---|
| committer |   Kalle Valo <kvalo@qca.qualcomm.com> | 2016-07-19 20:58:07 +0300 |
| commit | 7d6c2d1e34ef9a5675a7a4a8811cecbb2dd273dd (patch) | |
| tree | 4986ec6aa4875d7921bc28ce796bcb1d57ede26d | |
| parent | ath9k: simplify the code-paths when not using the built-in EEPROM (diff) | |
| download | linux-dev-7d6c2d1e34ef9a5675a7a4a8811cecbb2dd273dd.tar.xz linux-dev-7d6c2d1e34ef9a5675a7a4a8811cecbb2dd273dd.zip | |
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>
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9002_phy.c | 32 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ar9002_phy.h | 5 |
2 files changed, 27 insertions, 10 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, diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.h b/drivers/net/wireless/ath/ath9k/ar9002_phy.h index 9d17a5375f64..2b58245f774a 100644 --- 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 |