Return-path: Received: from sg2plsmtpa01-01.prod.sin2.secureserver.net ([182.50.145.6]:33912 "EHLO sg2plsmtpa01-01.prod.sin2.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932385Ab2LGKCx (ORCPT ); Fri, 7 Dec 2012 05:02:53 -0500 From: Sujith Manoharan To: John Linville Cc: linux-wireless@vger.kernel.org Subject: [RFC 8/8] ath9k_hw: Enable PAPRD for AR9485, AR9462 and AR9565 Date: Fri, 7 Dec 2012 15:32:01 +0530 Message-Id: <1354874521-4138-9-git-send-email-sujith@msujith.org> (sfid-20121207_110301_155241_CB5F2125) In-Reply-To: <1354874521-4138-1-git-send-email-sujith@msujith.org> References: <1354874521-4138-1-git-send-email-sujith@msujith.org> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Sujith Manoharan Add a HW capability to indicate whether PAPRD is enabled for the card, since PAPRD could be enabled in the EEPROM, but disabled in the driver. This makes things clearer. Signed-off-by: Sujith Manoharan --- drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 8 ++------ drivers/net/wireless/ath/ath9k/ar9003_paprd.c | 9 +++++++++ drivers/net/wireless/ath/ath9k/hw.c | 11 +++++++++++ drivers/net/wireless/ath/ath9k/hw.h | 2 ++ drivers/net/wireless/ath/ath9k/link.c | 2 +- 5 files changed, 25 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index 0f38895..11082b4 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -2987,10 +2987,6 @@ static u32 ath9k_hw_ar9300_get_eeprom(struct ath_hw *ah, case EEP_RX_MASK: return pBase->txrxMask & 0xf; case EEP_PAPRD: - if (AR_SREV_9462(ah)) - return false; - if (!ah->config.enable_paprd) - return false; return !!(pBase->featureEnable & BIT(5)); case EEP_CHAIN_MASK_REDUCE: return (pBase->miscConfiguration >> 0x3) & 0x1; @@ -5124,7 +5120,7 @@ static void ath9k_hw_ar9300_set_txpower(struct ath_hw *ah, */ ar9003_hw_get_target_power_eeprom(ah, chan, targetPowerValT2); - if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD)) { + if (ar9003_is_paprd_enabled(ah)) { if (IS_CHAN_2GHZ(chan)) modal_hdr = &eep->modalHeader2G; else @@ -5165,7 +5161,7 @@ static void ath9k_hw_ar9300_set_txpower(struct ath_hw *ah, twiceAntennaReduction, powerLimit); - if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD)) { + if (ar9003_is_paprd_enabled(ah)) { for (i = 0; i < ar9300RateSize; i++) { if ((ah->paprd_ratemask & (1 << i)) && (abs(targetPowerValT2[i] - diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c index 548b451..1255b6a 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c @@ -999,3 +999,12 @@ exit: return !!paprd_done; } EXPORT_SYMBOL(ar9003_paprd_is_done); + +bool ar9003_is_paprd_enabled(struct ath_hw *ah) +{ + if ((ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->config.enable_paprd) + return true; + + return false; +} +EXPORT_SYMBOL(ar9003_is_paprd_enabled); diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index e06bcec..6af86ad 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -2599,6 +2599,17 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah) pCap->hw_caps |= ATH9K_HW_WOW_PATTERN_MATCH_DWORD; } + if (AR_SREV_9300_20_OR_LATER(ah) && + ah->eep_ops->get_eeprom(ah, EEP_PAPRD)) { + pCap->hw_caps |= ATH9K_HW_CAP_PAPRD; + + /* Enable PAPRD for these chips. */ + if (AR_SREV_9485(ah) || + AR_SREV_9462(ah) || + AR_SREV_9565(ah)) + ah->config.enable_paprd = 1; + } + return 0; } diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index fe87d0e..eff6759 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -247,6 +247,7 @@ enum ath9k_hw_caps { ATH9K_HW_WOW_DEVICE_CAPABLE = BIT(17), ATH9K_HW_WOW_PATTERN_MATCH_EXACT = BIT(18), ATH9K_HW_WOW_PATTERN_MATCH_DWORD = BIT(19), + ATH9K_HW_CAP_PAPRD = BIT(20), }; /* @@ -1061,6 +1062,7 @@ int ar9003_paprd_create_curve(struct ath_hw *ah, void ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain); int ar9003_paprd_init_table(struct ath_hw *ah); bool ar9003_paprd_is_done(struct ath_hw *ah); +bool ar9003_is_paprd_enabled(struct ath_hw *ah); /* Hardware family op attach helpers */ void ar5008_hw_attach_phy_ops(struct ath_hw *ah); diff --git a/drivers/net/wireless/ath/ath9k/link.c b/drivers/net/wireless/ath/ath9k/link.c index c70b31a..ade3afb 100644 --- a/drivers/net/wireless/ath/ath9k/link.c +++ b/drivers/net/wireless/ath/ath9k/link.c @@ -435,7 +435,7 @@ set_timer: mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval)); - if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD) && ah->caldata) { + if (ar9003_is_paprd_enabled(ah) && ah->caldata) { if (!ah->caldata->paprd_done) { ieee80211_queue_work(sc->hw, &sc->paprd_work); } else if (!ah->paprd_table_write_done) { -- 1.8.0.1