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ath9k_hw: Add TempCompensation feature for AR9550

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Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan
2013-01-08 20:57:52 +05:30
committed by John W. Linville
parent 3a6a62fbc9
commit 2d7caefbaf
2 changed files with 101 additions and 31 deletions
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98
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
View File

@@ -4586,14 +4586,14 @@ static int ar9003_hw_cal_pier_get(struct ath_hw *ah,
return 0; return 0;
} }
static int ar9003_hw_power_control_override(struct ath_hw *ah, static void ar9003_hw_power_control_override(struct ath_hw *ah,
int frequency, int frequency,
int *correction, int *correction,
int *voltage, int *temperature) int *voltage, int *temperature)
{ {
int tempSlope = 0; int temp_slope = 0, temp_slope1 = 0, temp_slope2 = 0;
struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep; struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
int f[8], t[8], i; int f[8], t[8], t1[3], t2[3], i;
REG_RMW(ah, AR_PHY_TPC_11_B0, REG_RMW(ah, AR_PHY_TPC_11_B0,
(correction[0] << AR_PHY_TPC_OLPC_GAIN_DELTA_S), (correction[0] << AR_PHY_TPC_OLPC_GAIN_DELTA_S),
@@ -4624,14 +4624,41 @@ static int ar9003_hw_power_control_override(struct ath_hw *ah,
* enable temperature compensation * enable temperature compensation
* Need to use register names * Need to use register names
*/ */
if (frequency < 4000) if (frequency < 4000) {
tempSlope = eep->modalHeader2G.tempSlope; temp_slope = eep->modalHeader2G.tempSlope;
else if ((eep->baseEepHeader.miscConfiguration & 0x20) != 0) { } else {
if (AR_SREV_9550(ah)) {
t[0] = eep->base_ext1.tempslopextension[2];
t1[0] = eep->base_ext1.tempslopextension[3];
t2[0] = eep->base_ext1.tempslopextension[4];
f[0] = 5180;
t[1] = eep->modalHeader5G.tempSlope;
t1[1] = eep->base_ext1.tempslopextension[0];
t2[1] = eep->base_ext1.tempslopextension[1];
f[1] = 5500;
t[2] = eep->base_ext1.tempslopextension[5];
t1[2] = eep->base_ext1.tempslopextension[6];
t2[2] = eep->base_ext1.tempslopextension[7];
f[2] = 5785;
temp_slope = ar9003_hw_power_interpolate(frequency,
f, t, 3);
temp_slope1 = ar9003_hw_power_interpolate(frequency,
f, t1, 3);
temp_slope2 = ar9003_hw_power_interpolate(frequency,
f, t2, 3);
goto tempslope;
}
if ((eep->baseEepHeader.miscConfiguration & 0x20) != 0) {
for (i = 0; i < 8; i++) { for (i = 0; i < 8; i++) {
t[i] = eep->base_ext1.tempslopextension[i]; t[i] = eep->base_ext1.tempslopextension[i];
f[i] = FBIN2FREQ(eep->calFreqPier5G[i], 0); f[i] = FBIN2FREQ(eep->calFreqPier5G[i], 0);
} }
tempSlope = ar9003_hw_power_interpolate((s32) frequency, temp_slope = ar9003_hw_power_interpolate((s32) frequency,
f, t, 8); f, t, 8);
} else if (eep->base_ext2.tempSlopeLow != 0) { } else if (eep->base_ext2.tempSlopeLow != 0) {
t[0] = eep->base_ext2.tempSlopeLow; t[0] = eep->base_ext2.tempSlopeLow;
@@ -4640,22 +4667,65 @@ static int ar9003_hw_power_control_override(struct ath_hw *ah,
f[1] = 5500; f[1] = 5500;
t[2] = eep->base_ext2.tempSlopeHigh; t[2] = eep->base_ext2.tempSlopeHigh;
f[2] = 5785; f[2] = 5785;
tempSlope = ar9003_hw_power_interpolate((s32) frequency, temp_slope = ar9003_hw_power_interpolate((s32) frequency,
f, t, 3); f, t, 3);
} else } else {
tempSlope = eep->modalHeader5G.tempSlope; temp_slope = eep->modalHeader5G.tempSlope;
}
}
REG_RMW_FIELD(ah, AR_PHY_TPC_19, AR_PHY_TPC_19_ALPHA_THERM, tempSlope); tempslope:
if (AR_SREV_9550(ah)) {
/*
* AR955x has tempSlope register for each chain.
* Check whether temp_compensation feature is enabled or not.
*/
if (eep->baseEepHeader.featureEnable & 0x1) {
if (frequency < 4000) {
REG_RMW_FIELD(ah, AR_PHY_TPC_19,
AR_PHY_TPC_19_ALPHA_THERM,
eep->base_ext2.tempSlopeLow);
REG_RMW_FIELD(ah, AR_PHY_TPC_19_B1,
AR_PHY_TPC_19_ALPHA_THERM,
temp_slope);
REG_RMW_FIELD(ah, AR_PHY_TPC_19_B2,
AR_PHY_TPC_19_ALPHA_THERM,
eep->base_ext2.tempSlopeHigh);
} else {
REG_RMW_FIELD(ah, AR_PHY_TPC_19,
AR_PHY_TPC_19_ALPHA_THERM,
temp_slope);
REG_RMW_FIELD(ah, AR_PHY_TPC_19_B1,
AR_PHY_TPC_19_ALPHA_THERM,
temp_slope1);
REG_RMW_FIELD(ah, AR_PHY_TPC_19_B2,
AR_PHY_TPC_19_ALPHA_THERM,
temp_slope2);
}
} else {
/*
* If temp compensation is not enabled,
* set all registers to 0.
*/
REG_RMW_FIELD(ah, AR_PHY_TPC_19,
AR_PHY_TPC_19_ALPHA_THERM, 0);
REG_RMW_FIELD(ah, AR_PHY_TPC_19_B1,
AR_PHY_TPC_19_ALPHA_THERM, 0);
REG_RMW_FIELD(ah, AR_PHY_TPC_19_B2,
AR_PHY_TPC_19_ALPHA_THERM, 0);
}
} else {
REG_RMW_FIELD(ah, AR_PHY_TPC_19,
AR_PHY_TPC_19_ALPHA_THERM, temp_slope);
}
if (AR_SREV_9462_20(ah)) if (AR_SREV_9462_20(ah))
REG_RMW_FIELD(ah, AR_PHY_TPC_19_B1, REG_RMW_FIELD(ah, AR_PHY_TPC_19_B1,
AR_PHY_TPC_19_B1_ALPHA_THERM, tempSlope); AR_PHY_TPC_19_B1_ALPHA_THERM, temp_slope);
REG_RMW_FIELD(ah, AR_PHY_TPC_18, AR_PHY_TPC_18_THERM_CAL_VALUE, REG_RMW_FIELD(ah, AR_PHY_TPC_18, AR_PHY_TPC_18_THERM_CAL_VALUE,
temperature[0]); temperature[0]);
return 0;
} }
/* Apply the recorded correction values. */ /* Apply the recorded correction values. */

2
drivers/net/wireless/ath/ath9k/ar9003_phy.h
View File

@@ -1028,7 +1028,7 @@
#define AR_PHY_TPC_5_B2 (AR_SM2_BASE + 0x208) #define AR_PHY_TPC_5_B2 (AR_SM2_BASE + 0x208)
#define AR_PHY_TPC_6_B2 (AR_SM2_BASE + 0x20c) #define AR_PHY_TPC_6_B2 (AR_SM2_BASE + 0x20c)
#define AR_PHY_TPC_11_B2 (AR_SM2_BASE + 0x220) #define AR_PHY_TPC_11_B2 (AR_SM2_BASE + 0x220)
#define AR_PHY_PDADC_TAB_2 (AR_SM2_BASE + 0x240) #define AR_PHY_TPC_19_B2 (AR_SM2_BASE + 0x240)
#define AR_PHY_TX_IQCAL_STATUS_B2 (AR_SM2_BASE + 0x48c) #define AR_PHY_TX_IQCAL_STATUS_B2 (AR_SM2_BASE + 0x48c)
#define AR_PHY_TX_IQCAL_CORR_COEFF_B2(_i) (AR_SM2_BASE + 0x450 + ((_i) << 2)) #define AR_PHY_TX_IQCAL_CORR_COEFF_B2(_i) (AR_SM2_BASE + 0x450 + ((_i) << 2))