From 4935250ac14d9aac7d98411bdead2e33a9fadeac Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sat, 12 Jun 2010 00:33:59 -0400 Subject: [PATCH] ath9k_hw: add support for parsing PA predistortion related EEPROM fields Signed-off-by: Felix Fietkau Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 13 ++++++++++--- drivers/net/wireless/ath/ath9k/ar9003_eeprom.h | 4 +++- drivers/net/wireless/ath/ath9k/eeprom.h | 3 ++- drivers/net/wireless/ath/ath9k/hw.c | 2 ++ drivers/net/wireless/ath/ath9k/hw.h | 1 + 5 files changed, 18 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index 23eb60ea5455..343c9a427acb 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -67,6 +67,7 @@ static const struct ar9300_eeprom ar9300_default = { * 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 @@ static const struct ar9300_eeprom ar9300_default = { .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 @@ static const struct ar9300_eeprom ar9300_default = { .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 @@ static u32 ath9k_hw_ar9300_get_eeprom(struct ath_hw *ah, 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 23fb353c3bba..3c533bb983c7 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h @@ -234,7 +234,9 @@ struct ar9300_modal_eep_header { 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 7da7d73c0847..bdd8aa054b80 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom.h +++ b/drivers/net/wireless/ath/ath9k/eeprom.h @@ -263,7 +263,8 @@ enum eeprom_param { 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 83e04613f785..5a2e72aaf490 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -2235,6 +2235,8 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah) 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 09dd7be549a0..9d092168855b 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -200,6 +200,7 @@ enum ath9k_hw_caps { 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 { -- 2.39.5