From 341c5b842f0c5700c7b00b97028cabdaba20420f Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 14 Nov 2013 12:21:24 +0000 Subject: [PATCH] ath9k: add a fix to improve reliability of high bitrates on AR93xx/AR95xx Signed-off-by: Felix Fietkau SVN-Revision: 38802 --- .../mac80211/patches/300-pending_work.patch | 93 +++++++++++++++++++ .../patches/550-ath9k_entropy_from_adc.patch | 4 +- 2 files changed, 95 insertions(+), 2 deletions(-) diff --git a/package/kernel/mac80211/patches/300-pending_work.patch b/package/kernel/mac80211/patches/300-pending_work.patch index 8eb1f742a3..33f7264359 100644 --- a/package/kernel/mac80211/patches/300-pending_work.patch +++ b/package/kernel/mac80211/patches/300-pending_work.patch @@ -4415,3 +4415,96 @@ if (len > size) len = size; +--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c ++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c +@@ -701,6 +701,54 @@ static int ar9550_hw_get_modes_txgain_in + return ret; + } + ++static void ar9003_doubler_fix(struct ath_hw *ah) ++{ ++ if (AR_SREV_9300(ah) || AR_SREV_9580(ah) || AR_SREV_9550(ah)) { ++ REG_RMW(ah, AR_PHY_65NM_CH0_RXTX2, ++ 1 << AR_PHY_65NM_CH0_RXTX2_SYNTHON_MASK_S | ++ 1 << AR_PHY_65NM_CH0_RXTX2_SYNTHOVR_MASK_S, 0); ++ REG_RMW(ah, AR_PHY_65NM_CH1_RXTX2, ++ 1 << AR_PHY_65NM_CH0_RXTX2_SYNTHON_MASK_S | ++ 1 << AR_PHY_65NM_CH0_RXTX2_SYNTHOVR_MASK_S, 0); ++ REG_RMW(ah, AR_PHY_65NM_CH2_RXTX2, ++ 1 << AR_PHY_65NM_CH0_RXTX2_SYNTHON_MASK_S | ++ 1 << AR_PHY_65NM_CH0_RXTX2_SYNTHOVR_MASK_S, 0); ++ ++ udelay(200); ++ ++ REG_CLR_BIT(ah, AR_PHY_65NM_CH0_RXTX2, ++ AR_PHY_65NM_CH0_RXTX2_SYNTHON_MASK); ++ REG_CLR_BIT(ah, AR_PHY_65NM_CH1_RXTX2, ++ AR_PHY_65NM_CH0_RXTX2_SYNTHON_MASK); ++ REG_CLR_BIT(ah, AR_PHY_65NM_CH2_RXTX2, ++ AR_PHY_65NM_CH0_RXTX2_SYNTHON_MASK); ++ ++ udelay(1); ++ ++ REG_RMW_FIELD(ah, AR_PHY_65NM_CH0_RXTX2, ++ AR_PHY_65NM_CH0_RXTX2_SYNTHON_MASK, 1); ++ REG_RMW_FIELD(ah, AR_PHY_65NM_CH1_RXTX2, ++ AR_PHY_65NM_CH0_RXTX2_SYNTHON_MASK, 1); ++ REG_RMW_FIELD(ah, AR_PHY_65NM_CH2_RXTX2, ++ AR_PHY_65NM_CH0_RXTX2_SYNTHON_MASK, 1); ++ ++ udelay(200); ++ ++ REG_RMW_FIELD(ah, AR_PHY_65NM_CH0_SYNTH12, ++ AR_PHY_65NM_CH0_SYNTH12_VREFMUL3, 0xf); ++ ++ REG_RMW(ah, AR_PHY_65NM_CH0_RXTX2, 0, ++ 1 << AR_PHY_65NM_CH0_RXTX2_SYNTHON_MASK_S | ++ 1 << AR_PHY_65NM_CH0_RXTX2_SYNTHOVR_MASK_S); ++ REG_RMW(ah, AR_PHY_65NM_CH1_RXTX2, 0, ++ 1 << AR_PHY_65NM_CH0_RXTX2_SYNTHON_MASK_S | ++ 1 << AR_PHY_65NM_CH0_RXTX2_SYNTHOVR_MASK_S); ++ REG_RMW(ah, AR_PHY_65NM_CH2_RXTX2, 0, ++ 1 << AR_PHY_65NM_CH0_RXTX2_SYNTHON_MASK_S | ++ 1 << AR_PHY_65NM_CH0_RXTX2_SYNTHOVR_MASK_S); ++ } ++} ++ + static int ar9003_hw_process_ini(struct ath_hw *ah, + struct ath9k_channel *chan) + { +@@ -726,6 +774,8 @@ static int ar9003_hw_process_ini(struct + modesIndex); + } + ++ ar9003_doubler_fix(ah); ++ + /* + * RXGAIN initvals. + */ +--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h ++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h +@@ -656,13 +656,24 @@ + #define AR_PHY_SYNTH4_LONG_SHIFT_SELECT ((AR_SREV_9462(ah) || AR_SREV_9565(ah)) ? 0x00000001 : 0x00000002) + #define AR_PHY_SYNTH4_LONG_SHIFT_SELECT_S ((AR_SREV_9462(ah) || AR_SREV_9565(ah)) ? 0 : 1) + #define AR_PHY_65NM_CH0_SYNTH7 0x16098 ++#define AR_PHY_65NM_CH0_SYNTH12 0x160ac + #define AR_PHY_65NM_CH0_BIAS1 0x160c0 + #define AR_PHY_65NM_CH0_BIAS2 0x160c4 + #define AR_PHY_65NM_CH0_BIAS4 0x160cc ++#define AR_PHY_65NM_CH0_RXTX2 0x16104 ++#define AR_PHY_65NM_CH1_RXTX2 0x16504 ++#define AR_PHY_65NM_CH2_RXTX2 0x16904 + #define AR_PHY_65NM_CH0_RXTX4 0x1610c + #define AR_PHY_65NM_CH1_RXTX4 0x1650c + #define AR_PHY_65NM_CH2_RXTX4 0x1690c + ++#define AR_PHY_65NM_CH0_SYNTH12_VREFMUL3 0x00780000 ++#define AR_PHY_65NM_CH0_SYNTH12_VREFMUL3_S 19 ++#define AR_PHY_65NM_CH0_RXTX2_SYNTHON_MASK 0x00000004 ++#define AR_PHY_65NM_CH0_RXTX2_SYNTHON_MASK_S 2 ++#define AR_PHY_65NM_CH0_RXTX2_SYNTHOVR_MASK 0x00000008 ++#define AR_PHY_65NM_CH0_RXTX2_SYNTHOVR_MASK_S 3 ++ + #define AR_CH0_TOP (AR_SREV_9300(ah) ? 0x16288 : \ + (((AR_SREV_9462(ah) || AR_SREV_9565(ah)) ? 0x1628c : 0x16280))) + #define AR_CH0_TOP_XPABIASLVL (AR_SREV_9550(ah) ? 0x3c0 : 0x300) diff --git a/package/kernel/mac80211/patches/550-ath9k_entropy_from_adc.patch b/package/kernel/mac80211/patches/550-ath9k_entropy_from_adc.patch index 6303ce4cee..4a96a32f33 100644 --- a/package/kernel/mac80211/patches/550-ath9k_entropy_from_adc.patch +++ b/package/kernel/mac80211/patches/550-ath9k_entropy_from_adc.patch @@ -18,7 +18,7 @@ void (*spectral_scan_trigger)(struct ath_hw *ah); --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c -@@ -1709,6 +1709,26 @@ static void ar9003_hw_tx99_set_txpower(s +@@ -1759,6 +1759,26 @@ static void ar9003_hw_tx99_set_txpower(s ATH9K_POW_SM(p_pwr_array[ALL_TARGET_HT40_14], 0)); } @@ -45,7 +45,7 @@ void ar9003_hw_attach_phy_ops(struct ath_hw *ah) { struct ath_hw_private_ops *priv_ops = ath9k_hw_private_ops(ah); -@@ -1739,6 +1759,7 @@ void ar9003_hw_attach_phy_ops(struct ath +@@ -1789,6 +1809,7 @@ void ar9003_hw_attach_phy_ops(struct ath priv_ops->set_radar_params = ar9003_hw_set_radar_params; priv_ops->fast_chan_change = ar9003_hw_fast_chan_change; -- 2.30.2