From 3e2ea543286dc2a4df46633a2ab6fda5f1a98cf3 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sun, 15 Jul 2012 19:53:39 +0200 Subject: [PATCH] ath9k_hw: apply XLNA bias settings from EEPROM Signed-off-by: Felix Fietkau Signed-off-by: John W. Linville --- .../net/wireless/ath/ath9k/ar9003_eeprom.c | 53 +++++++++++++++---- .../net/wireless/ath/ath9k/ar9003_eeprom.h | 3 +- drivers/net/wireless/ath/ath9k/ar9003_phy.h | 5 ++ 3 files changed, 50 insertions(+), 11 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index 4d902657c131..c5f3c430c985 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -131,8 +131,9 @@ static const struct ar9300_eeprom ar9300_default = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0cf0e0e0), .papdRateMaskHt40 = LE32(0x6cf0e0e0), + .xlna_bias_strength = 0, .futureModal = { - 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, }, }, .base_ext1 = { @@ -331,8 +332,9 @@ static const struct ar9300_eeprom ar9300_default = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0c80c080), .papdRateMaskHt40 = LE32(0x0080c080), + .xlna_bias_strength = 0, .futureModal = { - 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, }, }, .base_ext2 = { @@ -704,8 +706,9 @@ static const struct ar9300_eeprom ar9300_x113 = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0c80c080), .papdRateMaskHt40 = LE32(0x0080c080), + .xlna_bias_strength = 0, .futureModal = { - 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, }, }, .base_ext1 = { @@ -904,8 +907,9 @@ static const struct ar9300_eeprom ar9300_x113 = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0cf0e0e0), .papdRateMaskHt40 = LE32(0x6cf0e0e0), + .xlna_bias_strength = 0, .futureModal = { - 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, }, }, .base_ext2 = { @@ -1278,8 +1282,9 @@ static const struct ar9300_eeprom ar9300_h112 = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0c80c080), .papdRateMaskHt40 = LE32(0x0080c080), + .xlna_bias_strength = 0, .futureModal = { - 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, }, }, .base_ext1 = { @@ -1478,8 +1483,9 @@ static const struct ar9300_eeprom ar9300_h112 = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0cf0e0e0), .papdRateMaskHt40 = LE32(0x6cf0e0e0), + .xlna_bias_strength = 0, .futureModal = { - 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, }, }, .base_ext2 = { @@ -1852,8 +1858,9 @@ static const struct ar9300_eeprom ar9300_x112 = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0c80c080), .papdRateMaskHt40 = LE32(0x0080c080), + .xlna_bias_strength = 0, .futureModal = { - 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, }, }, .base_ext1 = { @@ -2052,8 +2059,9 @@ static const struct ar9300_eeprom ar9300_x112 = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0cf0e0e0), .papdRateMaskHt40 = LE32(0x6cf0e0e0), + .xlna_bias_strength = 0, .futureModal = { - 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, }, }, .base_ext2 = { @@ -2425,8 +2433,9 @@ static const struct ar9300_eeprom ar9300_h116 = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0c80C080), .papdRateMaskHt40 = LE32(0x0080C080), + .xlna_bias_strength = 0, .futureModal = { - 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, }, }, .base_ext1 = { @@ -2625,8 +2634,9 @@ static const struct ar9300_eeprom ar9300_h116 = { .thresh62 = 28, .papdRateMaskHt20 = LE32(0x0cf0e0e0), .papdRateMaskHt40 = LE32(0x6cf0e0e0), + .xlna_bias_strength = 0, .futureModal = { - 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, }, }, .base_ext2 = { @@ -3942,6 +3952,28 @@ static void ar9003_hw_xpa_timing_control_apply(struct ath_hw *ah, bool is2ghz) AR_PHY_XPA_TIMING_CTL_FRAME_XPAA_ON, xpa_ctl); } +static void ar9003_hw_xlna_bias_strength_apply(struct ath_hw *ah, bool is2ghz) +{ + struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep; + u8 bias; + + if (!(eep->baseEepHeader.featureEnable & 0x40)) + return; + + if (!AR_SREV_9300(ah)) + return; + + bias = ar9003_modal_header(ah, is2ghz)->xlna_bias_strength; + REG_RMW_FIELD(ah, AR_PHY_65NM_CH0_RXTX4, AR_PHY_65NM_RXTX4_XLNA_BIAS, + bias & 0x3); + bias >>= 2; + REG_RMW_FIELD(ah, AR_PHY_65NM_CH1_RXTX4, AR_PHY_65NM_RXTX4_XLNA_BIAS, + bias & 0x3); + bias >>= 2; + REG_RMW_FIELD(ah, AR_PHY_65NM_CH2_RXTX4, AR_PHY_65NM_RXTX4_XLNA_BIAS, + bias & 0x3); +} + static void ath9k_hw_ar9300_set_board_values(struct ath_hw *ah, struct ath9k_channel *chan) { @@ -3950,6 +3982,7 @@ static void ath9k_hw_ar9300_set_board_values(struct ath_hw *ah, ar9003_hw_xpa_bias_level_apply(ah, is2ghz); ar9003_hw_ant_ctrl_apply(ah, is2ghz); ar9003_hw_drive_strength_apply(ah); + ar9003_hw_xlna_bias_strength_apply(ah, is2ghz); ar9003_hw_atten_apply(ah, chan); ar9003_hw_quick_drop_apply(ah, chan->channel); if (!AR_SREV_9330(ah) && !AR_SREV_9340(ah) && !AR_SREV_9550(ah)) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h index 8396d150ce01..3a1ff55bceb9 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h @@ -231,7 +231,8 @@ struct ar9300_modal_eep_header { __le32 papdRateMaskHt20; __le32 papdRateMaskHt40; __le16 switchcomspdt; - u8 futureModal[8]; + u8 xlna_bias_strength; + u8 futureModal[7]; } __packed; struct ar9300_cal_data_per_freq_op_loop { diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h index 751c83b21493..7bfbaf065a43 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h @@ -633,6 +633,8 @@ #define AR_PHY_65NM_CH0_BIAS2 0x160c4 #define AR_PHY_65NM_CH0_BIAS4 0x160cc #define AR_PHY_65NM_CH0_RXTX4 0x1610c +#define AR_PHY_65NM_CH1_RXTX4 0x1650c +#define AR_PHY_65NM_CH2_RXTX4 0x1690c #define AR_CH0_TOP (AR_SREV_9300(ah) ? 0x16288 : \ ((AR_SREV_9462(ah) ? 0x1628c : 0x16280))) @@ -876,6 +878,9 @@ #define AR_PHY_65NM_CH0_RXTX4_THERM_ON 0x10000000 #define AR_PHY_65NM_CH0_RXTX4_THERM_ON_S 28 +#define AR_PHY_65NM_RXTX4_XLNA_BIAS 0xC0000000 +#define AR_PHY_65NM_RXTX4_XLNA_BIAS_S 30 + /* * Channel 1 Register Map */ -- GitLab