ath9k_hw: add support for parsing PA predistortion related EEPROM fields
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
index 23eb60e..343c9a4 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -67,6 +67,7 @@
* bit2 - enable fastClock - enabled
* bit3 - enable doubling - enabled
* bit4 - enable internal regulator - disabled
+ * bit5 - enable pa predistortion - disabled
*/
.miscConfiguration = 0, /* bit0 - turn down drivestrength */
.eepromWriteEnableGpio = 3,
@@ -129,9 +130,11 @@
.txEndToRxOn = 0x2,
.txFrameToXpaOn = 0xe,
.thresh62 = 28,
- .futureModal = { /* [32] */
+ .papdRateMaskHt20 = LE32(0x80c080),
+ .papdRateMaskHt40 = LE32(0x80c080),
+ .futureModal = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0
},
},
.calFreqPier2G = {
@@ -326,9 +329,11 @@
.txEndToRxOn = 0x2,
.txFrameToXpaOn = 0xe,
.thresh62 = 28,
+ .papdRateMaskHt20 = LE32(0xf0e0e0),
+ .papdRateMaskHt40 = LE32(0xf0e0e0),
.futureModal = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0
},
},
.calFreqPier5G = {
@@ -644,6 +649,8 @@
return (pBase->featureEnable & 0x10) >> 4;
case EEP_SWREG:
return le32_to_cpu(pBase->swreg);
+ case EEP_PAPRD:
+ return !!(pBase->featureEnable & BIT(5));
default:
return 0;
}
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
index 23fb353..3c533bb 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
@@ -234,7 +234,9 @@
u8 txEndToRxOn;
u8 txFrameToXpaOn;
u8 thresh62;
- u8 futureModal[32];
+ __le32 papdRateMaskHt20;
+ __le32 papdRateMaskHt40;
+ u8 futureModal[24];
} __packed;
struct ar9300_cal_data_per_freq_op_loop {
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.h b/drivers/net/wireless/ath/ath9k/eeprom.h
index 7da7d73..bdd8aa0 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/eeprom.h
@@ -263,7 +263,8 @@
EEP_PWR_TABLE_OFFSET,
EEP_DRIVE_STRENGTH,
EEP_INTERNAL_REGULATOR,
- EEP_SWREG
+ EEP_SWREG,
+ EEP_PAPRD,
};
enum ar5416_rates {
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 83e0461..5a2e72a 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2235,6 +2235,8 @@
pCap->rx_status_len = sizeof(struct ar9003_rxs);
pCap->tx_desc_len = sizeof(struct ar9003_txc);
pCap->txs_len = sizeof(struct ar9003_txs);
+ if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD))
+ pCap->hw_caps |= ATH9K_HW_CAP_PAPRD;
} else {
pCap->tx_desc_len = sizeof(struct ath_desc);
if (AR_SREV_9280_20(ah) &&
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 09dd7be..9d09216 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -200,6 +200,7 @@
ATH9K_HW_CAP_LDPC = BIT(19),
ATH9K_HW_CAP_FASTCLOCK = BIT(20),
ATH9K_HW_CAP_SGI_20 = BIT(21),
+ ATH9K_HW_CAP_PAPRD = BIT(22),
};
enum ath9k_capability_type {