Read and configure quick drop feild from AR9003 eeprom
inorder to help with strong signal. This patch also removes
obsolate parameters ob, db_stage2, db_stage_3, db_stage4
from the eeprom templates.
Signed-off-by: Rajkumar Manoharan <rmanohar@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 108 +++++++++++-------------
drivers/net/wireless/ath/ath9k/ar9003_eeprom.h | 10 +-
drivers/net/wireless/ath/ath9k/ar9003_phy.h | 2 +
drivers/net/wireless/ath/ath9k/eeprom.h | 3 +-
4 files changed, 59 insertions(+), 64 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 3b262ba..de103ef 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -121,10 +121,8 @@ static const struct ar9300_eeprom ar9300_default = {
* if the register is per chain
*/
.noiseFloorThreshCh = {-1, 0, 0},
- .ob = {1, 1, 1},/* 3 chain */
- .db_stage2 = {1, 1, 1}, /* 3 chain */
- .db_stage3 = {0, 0, 0},
- .db_stage4 = {0, 0, 0},
+ .reserved = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ .quick_drop = 0,
.xpaBiasLvl = 0,
.txFrameToDataStart = 0x0e,
.txFrameToPaOn = 0x0e,
@@ -144,7 +142,7 @@ static const struct ar9300_eeprom ar9300_default = {
},
.base_ext1 = {
.ant_div_control = 0,
- .future = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+ .future = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
},
.calFreqPier2G = {
FREQ2FBIN(2412, 1),
@@ -323,10 +321,8 @@ static const struct ar9300_eeprom ar9300_default = {
.spurChans = {0, 0, 0, 0, 0},
/* noiseFloorThreshCh Check if the register is per chain */
.noiseFloorThreshCh = {-1, 0, 0},
- .ob = {3, 3, 3}, /* 3 chain */
- .db_stage2 = {3, 3, 3}, /* 3 chain */
- .db_stage3 = {3, 3, 3}, /* doesn't exist for 2G */
- .db_stage4 = {3, 3, 3}, /* don't exist for 2G */
+ .reserved = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ .quick_drop = 0,
.xpaBiasLvl = 0,
.txFrameToDataStart = 0x0e,
.txFrameToPaOn = 0x0e,
@@ -698,10 +694,8 @@ static const struct ar9300_eeprom ar9300_x113 = {
* if the register is per chain
*/
.noiseFloorThreshCh = {-1, 0, 0},
- .ob = {1, 1, 1},/* 3 chain */
- .db_stage2 = {1, 1, 1}, /* 3 chain */
- .db_stage3 = {0, 0, 0},
- .db_stage4 = {0, 0, 0},
+ .reserved = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ .quick_drop = 0,
.xpaBiasLvl = 0,
.txFrameToDataStart = 0x0e,
.txFrameToPaOn = 0x0e,
@@ -721,7 +715,7 @@ static const struct ar9300_eeprom ar9300_x113 = {
},
.base_ext1 = {
.ant_div_control = 0,
- .future = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+ .future = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
},
.calFreqPier2G = {
FREQ2FBIN(2412, 1),
@@ -900,10 +894,8 @@ static const struct ar9300_eeprom ar9300_x113 = {
.spurChans = {FREQ2FBIN(5500, 0), 0, 0, 0, 0},
/* noiseFloorThreshCh Check if the register is per chain */
.noiseFloorThreshCh = {-1, 0, 0},
- .ob = {3, 3, 3}, /* 3 chain */
- .db_stage2 = {3, 3, 3}, /* 3 chain */
- .db_stage3 = {3, 3, 3}, /* doesn't exist for 2G */
- .db_stage4 = {3, 3, 3}, /* don't exist for 2G */
+ .reserved = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ .quick_drop = 0,
.xpaBiasLvl = 0xf,
.txFrameToDataStart = 0x0e,
.txFrameToPaOn = 0x0e,
@@ -1276,10 +1268,8 @@ static const struct ar9300_eeprom ar9300_h112 = {
* if the register is per chain
*/
.noiseFloorThreshCh = {-1, 0, 0},
- .ob = {1, 1, 1},/* 3 chain */
- .db_stage2 = {1, 1, 1}, /* 3 chain */
- .db_stage3 = {0, 0, 0},
- .db_stage4 = {0, 0, 0},
+ .reserved = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ .quick_drop = 0,
.xpaBiasLvl = 0,
.txFrameToDataStart = 0x0e,
.txFrameToPaOn = 0x0e,
@@ -1299,7 +1289,7 @@ static const struct ar9300_eeprom ar9300_h112 = {
},
.base_ext1 = {
.ant_div_control = 0,
- .future = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+ .future = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
},
.calFreqPier2G = {
FREQ2FBIN(2412, 1),
@@ -1478,10 +1468,8 @@ static const struct ar9300_eeprom ar9300_h112 = {
.spurChans = {0, 0, 0, 0, 0},
/* noiseFloorThreshCh Check if the register is per chain */
.noiseFloorThreshCh = {-1, 0, 0},
- .ob = {3, 3, 3}, /* 3 chain */
- .db_stage2 = {3, 3, 3}, /* 3 chain */
- .db_stage3 = {3, 3, 3}, /* doesn't exist for 2G */
- .db_stage4 = {3, 3, 3}, /* don't exist for 2G */
+ .reserved = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ .quick_drop = 0,
.xpaBiasLvl = 0,
.txFrameToDataStart = 0x0e,
.txFrameToPaOn = 0x0e,
@@ -1854,10 +1842,8 @@ static const struct ar9300_eeprom ar9300_x112 = {
* if the register is per chain
*/
.noiseFloorThreshCh = {-1, 0, 0},
- .ob = {1, 1, 1},/* 3 chain */
- .db_stage2 = {1, 1, 1}, /* 3 chain */
- .db_stage3 = {0, 0, 0},
- .db_stage4 = {0, 0, 0},
+ .reserved = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ .quick_drop = 0,
.xpaBiasLvl = 0,
.txFrameToDataStart = 0x0e,
.txFrameToPaOn = 0x0e,
@@ -1877,7 +1863,7 @@ static const struct ar9300_eeprom ar9300_x112 = {
},
.base_ext1 = {
.ant_div_control = 0,
- .future = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+ .future = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
},
.calFreqPier2G = {
FREQ2FBIN(2412, 1),
@@ -2056,10 +2042,8 @@ static const struct ar9300_eeprom ar9300_x112 = {
.spurChans = {0, 0, 0, 0, 0},
/* noiseFloorThreshch check if the register is per chain */
.noiseFloorThreshCh = {-1, 0, 0},
- .ob = {3, 3, 3}, /* 3 chain */
- .db_stage2 = {3, 3, 3}, /* 3 chain */
- .db_stage3 = {3, 3, 3}, /* doesn't exist for 2G */
- .db_stage4 = {3, 3, 3}, /* don't exist for 2G */
+ .reserved = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ .quick_drop = 0,
.xpaBiasLvl = 0,
.txFrameToDataStart = 0x0e,
.txFrameToPaOn = 0x0e,
@@ -2431,10 +2415,8 @@ static const struct ar9300_eeprom ar9300_h116 = {
* if the register is per chain
*/
.noiseFloorThreshCh = {-1, 0, 0},
- .ob = {1, 1, 1},/* 3 chain */
- .db_stage2 = {1, 1, 1}, /* 3 chain */
- .db_stage3 = {0, 0, 0},
- .db_stage4 = {0, 0, 0},
+ .reserved = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ .quick_drop = 0,
.xpaBiasLvl = 0,
.txFrameToDataStart = 0x0e,
.txFrameToPaOn = 0x0e,
@@ -2454,7 +2436,7 @@ static const struct ar9300_eeprom ar9300_h116 = {
},
.base_ext1 = {
.ant_div_control = 0,
- .future = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+ .future = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
},
.calFreqPier2G = {
FREQ2FBIN(2412, 1),
@@ -2633,10 +2615,8 @@ static const struct ar9300_eeprom ar9300_h116 = {
.spurChans = {0, 0, 0, 0, 0},
/* noiseFloorThreshCh Check if the register is per chain */
.noiseFloorThreshCh = {-1, 0, 0},
- .ob = {3, 3, 3}, /* 3 chain */
- .db_stage2 = {3, 3, 3}, /* 3 chain */
- .db_stage3 = {3, 3, 3}, /* doesn't exist for 2G */
- .db_stage4 = {3, 3, 3}, /* don't exist for 2G */
+ .reserved = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
+ .quick_drop = 0,
.xpaBiasLvl = 0,
.txFrameToDataStart = 0x0e,
.txFrameToPaOn = 0x0e,
@@ -3023,6 +3003,8 @@ static u32 ath9k_hw_ar9300_get_eeprom(struct ath_hw *ah,
return eep->modalHeader5G.antennaGain;
case EEP_ANTENNA_GAIN_2G:
return eep->modalHeader2G.antennaGain;
+ case EEP_QUICK_DROP:
+ return pBase->miscConfiguration & BIT(1);
default:
return 0;
}
@@ -3428,25 +3410,13 @@ static u32 ar9003_dump_modal_eeprom(char *buf, u32 len, u32 size,
PR_EEP("Chain0 NF Threshold", modal_hdr->noiseFloorThreshCh[0]);
PR_EEP("Chain1 NF Threshold", modal_hdr->noiseFloorThreshCh[1]);
PR_EEP("Chain2 NF Threshold", modal_hdr->noiseFloorThreshCh[2]);
+ PR_EEP("Quick Drop", modal_hdr->quick_drop);
PR_EEP("xPA Bias Level", modal_hdr->xpaBiasLvl);
PR_EEP("txFrameToDataStart", modal_hdr->txFrameToDataStart);
PR_EEP("txFrameToPaOn", modal_hdr->txFrameToPaOn);
PR_EEP("txFrameToXpaOn", modal_hdr->txFrameToXpaOn);
PR_EEP("txClip", modal_hdr->txClip);
PR_EEP("ADC Desired size", modal_hdr->adcDesiredSize);
- PR_EEP("Chain0 ob", modal_hdr->ob[0]);
- PR_EEP("Chain1 ob", modal_hdr->ob[1]);
- PR_EEP("Chain2 ob", modal_hdr->ob[2]);
-
- PR_EEP("Chain0 db_stage2", modal_hdr->db_stage2[0]);
- PR_EEP("Chain1 db_stage2", modal_hdr->db_stage2[1]);
- PR_EEP("Chain2 db_stage2", modal_hdr->db_stage2[2]);
- PR_EEP("Chain0 db_stage3", modal_hdr->db_stage3[0]);
- PR_EEP("Chain1 db_stage3", modal_hdr->db_stage3[1]);
- PR_EEP("Chain2 db_stage3", modal_hdr->db_stage3[2]);
- PR_EEP("Chain0 db_stage4", modal_hdr->db_stage4[0]);
- PR_EEP("Chain1 db_stage4", modal_hdr->db_stage4[1]);
- PR_EEP("Chain2 db_stage4", modal_hdr->db_stage4[2]);
return len;
}
@@ -3503,6 +3473,7 @@ static u32 ath9k_hw_ar9003_dump_eeprom(struct ath_hw *ah, bool dump_base_hdr,
PR_EEP("Internal regulator", !!(pBase->featureEnable & BIT(4)));
PR_EEP("Enable Paprd", !!(pBase->featureEnable & BIT(5)));
PR_EEP("Driver Strength", !!(pBase->miscConfiguration & BIT(0)));
+ PR_EEP("Quick Drop", !!(pBase->miscConfiguration & BIT(1)));
PR_EEP("Chain mask Reduce", (pBase->miscConfiguration >> 0x3) & 0x1);
PR_EEP("Write enable Gpio", pBase->eepromWriteEnableGpio);
PR_EEP("WLAN Disable Gpio", pBase->wlanDisableGpio);
@@ -3965,6 +3936,26 @@ static void ar9003_hw_apply_tuning_caps(struct ath_hw *ah)
}
}
+static void ar9003_hw_quick_drop_apply(struct ath_hw *ah, u16 freq)
+{
+ struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
+ int quick_drop = ath9k_hw_ar9300_get_eeprom(ah, EEP_QUICK_DROP);
+ s32 t[3], f[3] = {5180, 5500, 5785};
+
+ if (!quick_drop)
+ return;
+
+ if (freq < 4000)
+ quick_drop = eep->modalHeader2G.quick_drop;
+ else {
+ t[0] = eep->base_ext1.quick_drop_low;
+ t[1] = eep->modalHeader5G.quick_drop;
+ t[2] = eep->base_ext1.quick_drop_high;
+ quick_drop = ar9003_hw_power_interpolate(freq, f, t, 3);
+ }
+ REG_RMW_FIELD(ah, AR_PHY_AGC, AR_PHY_AGC_QUICK_DROP, quick_drop);
+}
+
static void ath9k_hw_ar9300_set_board_values(struct ath_hw *ah,
struct ath9k_channel *chan)
{
@@ -3972,6 +3963,7 @@ static void ath9k_hw_ar9300_set_board_values(struct ath_hw *ah,
ar9003_hw_ant_ctrl_apply(ah, IS_CHAN_2GHZ(chan));
ar9003_hw_drive_strength_apply(ah);
ar9003_hw_atten_apply(ah, chan);
+ ar9003_hw_quick_drop_apply(ah, chan->channel);
if (!AR_SREV_9330(ah) && !AR_SREV_9340(ah))
ar9003_hw_internal_regulator_apply(ah);
if (AR_SREV_9485(ah) || AR_SREV_9330(ah) || AR_SREV_9340(ah))
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
index 6335a86..bb223fe 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
@@ -216,10 +216,8 @@ struct ar9300_modal_eep_header {
u8 spurChans[AR_EEPROM_MODAL_SPURS];
/* 3 Check if the register is per chain */
int8_t noiseFloorThreshCh[AR9300_MAX_CHAINS];
- u8 ob[AR9300_MAX_CHAINS];
- u8 db_stage2[AR9300_MAX_CHAINS];
- u8 db_stage3[AR9300_MAX_CHAINS];
- u8 db_stage4[AR9300_MAX_CHAINS];
+ u8 reserved[11];
+ int8_t quick_drop;
u8 xpaBiasLvl;
u8 txFrameToDataStart;
u8 txFrameToPaOn;
@@ -269,7 +267,9 @@ struct cal_ctl_data_5g {
struct ar9300_BaseExtension_1 {
u8 ant_div_control;
- u8 future[13];
+ u8 future[11];
+ int8_t quick_drop_low;
+ int8_t quick_drop_high;
} __packed;
struct ar9300_BaseExtension_2 {
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
index 4114fe7..497d746 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h
@@ -389,6 +389,8 @@
#define AR_PHY_DAG_CTRLCCK_RSSI_THR_S 10
#define AR_PHY_RIFS_INIT_DELAY 0x3ff0000
+#define AR_PHY_AGC_QUICK_DROP 0x03c00000
+#define AR_PHY_AGC_QUICK_DROP_S 22
#define AR_PHY_AGC_COARSE_LOW 0x00007F80
#define AR_PHY_AGC_COARSE_LOW_S 7
#define AR_PHY_AGC_COARSE_HIGH 0x003F8000
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.h b/drivers/net/wireless/ath/ath9k/eeprom.h
index 49abd34..5ff7ab9 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/eeprom.h
@@ -249,7 +249,8 @@ enum eeprom_param {
EEP_ANT_DIV_CTL1,
EEP_CHAIN_MASK_REDUCE,
EEP_ANTENNA_GAIN_2G,
- EEP_ANTENNA_GAIN_5G
+ EEP_ANTENNA_GAIN_5G,
+ EEP_QUICK_DROP
};
enum ar5416_rates {
--
1.7.7.2
--
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