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ath9k_hw: apply XLNA bias settings from EEPROM 

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2012-07-15 19:53:39 +02:00 committed by John W. Linville
parent 0aefc591be
commit 3e2ea54328
3 changed files with 50 additions and 11 deletions
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53
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
View File

@ -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))

3
drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
View File

@ -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 {

5
drivers/net/wireless/ath/ath9k/ar9003_phy.h
View File

@ -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
*/