Return-path: Received: from mail.atheros.com ([12.36.123.2]:34626 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753443Ab0G2M5G (ORCPT ); Thu, 29 Jul 2010 08:57:06 -0400 Received: from mail.atheros.com ([10.10.20.108]) by sidewinder.atheros.com for ; Thu, 29 Jul 2010 05:57:06 -0700 From: Vasanthakumar Thiagarajan To: CC: Subject: [PATCH 1/3] ath9k_hw: Add capability flag for Antenna diversity and combining feature Date: Thu, 29 Jul 2010 05:56:57 -0700 Message-ID: <1280408219-5293-1-git-send-email-vasanth@atheros.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: This is enabled only for ar9285. Signed-off-by: Vasanthakumar Thiagarajan --- drivers/net/wireless/ath/ath9k/eeprom.h | 2 ++ drivers/net/wireless/ath/ath9k/eeprom_4k.c | 4 ++++ drivers/net/wireless/ath/ath9k/hw.c | 9 +++++++++ drivers/net/wireless/ath/ath9k/hw.h | 1 + 4 files changed, 16 insertions(+), 0 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/eeprom.h b/drivers/net/wireless/ath/ath9k/eeprom.h index 8750c55..b2223a6 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom.h +++ b/drivers/net/wireless/ath/ath9k/eeprom.h @@ -265,6 +265,8 @@ enum eeprom_param { EEP_INTERNAL_REGULATOR, EEP_SWREG, EEP_PAPRD, + EEP_MODAL_VER, + EEP_ANT_DIV_CTL1, }; enum ar5416_rates { diff --git a/drivers/net/wireless/ath/ath9k/eeprom_4k.c b/drivers/net/wireless/ath/ath9k/eeprom_4k.c index 9cccd12..2e1397b 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom_4k.c +++ b/drivers/net/wireless/ath/ath9k/eeprom_4k.c @@ -213,6 +213,10 @@ static u32 ath9k_hw_4k_get_eeprom(struct ath_hw *ah, return 0; case EEP_PWR_TABLE_OFFSET: return AR5416_PWR_TABLE_OFFSET_DB; + case EEP_MODAL_VER: + return pModal->version; + case EEP_ANT_DIV_CTL1: + return pModal->antdiv_ctl1; default: return 0; } diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 2f83f97..d9e9344 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -2052,6 +2052,7 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah) struct ath_btcoex_hw *btcoex_hw = &ah->btcoex_hw; u16 capField = 0, eeval; + u8 ant_div_ctl1; eeval = ah->eep_ops->get_eeprom(ah, EEP_REG_0); regulatory->current_rd = eeval; @@ -2276,6 +2277,14 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah) if (AR_SREV_9287_10_OR_LATER(ah) || AR_SREV_9271(ah)) pCap->hw_caps |= ATH9K_HW_CAP_SGI_20; + if (AR_SREV_9285(ah)) + if (ah->eep_ops->get_eeprom(ah, EEP_MODAL_VER) >= 3) { + ant_div_ctl1 = + ah->eep_ops->get_eeprom(ah, EEP_ANT_DIV_CTL1); + if ((ant_div_ctl1 & 0x1) && ((ant_div_ctl1 >> 3) & 0x1)) + pCap->hw_caps |= ATH9K_HW_CAP_ANT_DIV_COMB; + } + return 0; } diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 2d30efc..3f19148 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -204,6 +204,7 @@ enum ath9k_hw_caps { ATH9K_HW_CAP_FASTCLOCK = BIT(20), ATH9K_HW_CAP_SGI_20 = BIT(21), ATH9K_HW_CAP_PAPRD = BIT(22), + ATH9K_HW_CAP_ANT_DIV_COMB = BIT(23), }; struct ath9k_hw_capabilities { -- 1.7.0.4