Return-path: Received: from mail.atheros.com ([12.19.149.2]:64257 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754045Ab0LOPbO (ORCPT ); Wed, 15 Dec 2010 10:31:14 -0500 Received: from mail.atheros.com ([10.10.20.108]) by sidewinder.atheros.com for ; Wed, 15 Dec 2010 07:30:59 -0800 From: Vasanthakumar Thiagarajan To: CC: Subject: [PATCH 5/7] ath9k_hw: Add a helper to get paprd scale factor Date: Wed, 15 Dec 2010 07:30:51 -0800 Message-ID: <1292427053-5880-5-git-send-email-vasanth@atheros.com> In-Reply-To: <1292427053-5880-1-git-send-email-vasanth@atheros.com> References: <1292427053-5880-1-git-send-email-vasanth@atheros.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: Signed-off-by: Vasanthakumar Thiagarajan --- drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 21 +++++++++++++++++++++ drivers/net/wireless/ath/ath9k/ar9003_eeprom.h | 3 +++ 2 files changed, 24 insertions(+), 0 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index 4149ffb..9fa5793 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -4843,6 +4843,27 @@ u8 *ar9003_get_spur_chan_ptr(struct ath_hw *ah, bool is_2ghz) return eep->modalHeader5G.spurChans; } +unsigned int ar9003_get_paprd_scale_factor(struct ath_hw *ah, + struct ath9k_channel *chan) +{ + struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep; + + if (IS_CHAN_2GHZ(chan)) + return MS(le32_to_cpu(eep->modalHeader2G.papdRateMaskHt20), + AR9300_PAPRD_SCALE_1); + else { + if (chan->channel >= 5700) + return MS(le32_to_cpu(eep->modalHeader5G.papdRateMaskHt20), + AR9300_PAPRD_SCALE_1); + else if (chan->channel >= 5400) + return MS(le32_to_cpu(eep->modalHeader5G.papdRateMaskHt40), + AR9300_PAPRD_SCALE_2); + else + return MS(le32_to_cpu(eep->modalHeader5G.papdRateMaskHt40), + AR9300_PAPRD_SCALE_1); + } +} + const struct eeprom_ops eep_ar9300_ops = { .check_eeprom = ath9k_hw_ar9300_check_eeprom, .get_eeprom = ath9k_hw_ar9300_get_eeprom, diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h index efb6a02..afb0b5e 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h @@ -315,4 +315,7 @@ s32 ar9003_hw_get_tx_gain_idx(struct ath_hw *ah); s32 ar9003_hw_get_rx_gain_idx(struct ath_hw *ah); u8 *ar9003_get_spur_chan_ptr(struct ath_hw *ah, bool is_2ghz); + +unsigned int ar9003_get_paprd_scale_factor(struct ath_hw *ah, + struct ath9k_channel *chan); #endif -- 1.7.0.4