Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:55730 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751138AbcCAGan (ORCPT ); Tue, 1 Mar 2016 01:30:43 -0500 From: miaoqing@codeaurora.org To: linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, ath9k-devel@qca.qualcomm.com, kvalo@qca.qualcomm.com, Miaoqing Pan Subject: [PATCH v2 8/8] ath9k: fix BTCoex configuration for SOC chips Date: Tue, 1 Mar 2016 14:29:44 +0800 Message-Id: <1456813784-21218-9-git-send-email-miaoqing@codeaurora.org> (sfid-20160301_073045_965103_04438388) In-Reply-To: <1456813784-21218-1-git-send-email-miaoqing@codeaurora.org> References: <1456813784-21218-1-git-send-email-miaoqing@codeaurora.org> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Miaoqing Pan Allow to set wl_active_time and wl_qc_time for SOC chips, also adjust bt_time_extend and bt_first_slot_time. Signed-off-by: Miaoqing Pan --- drivers/net/wireless/ath/ath9k/btcoex.c | 31 ++++++++++++++++++++++++++++--- drivers/net/wireless/ath/ath9k/btcoex.h | 1 + 2 files changed, 29 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c index a754f6d..80f4f4d 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.c +++ b/drivers/net/wireless/ath/ath9k/btcoex.c @@ -36,6 +36,8 @@ struct ath_btcoex_config { u8 bt_priority_time; u8 bt_first_slot_time; bool bt_hold_rx_clear; + u8 wl_active_time; + u8 wl_qc_time; }; static const u32 ar9003_wlan_weights[ATH_BTCOEX_STOMP_MAX] @@ -67,25 +69,42 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum) .bt_priority_time = 2, .bt_first_slot_time = 5, .bt_hold_rx_clear = true, + .wl_active_time = 0x20, + .wl_qc_time = 0x20, }; bool rxclear_polarity = ath_bt_config.bt_rxclear_polarity; + u8 time_extend = ath_bt_config.bt_time_extend; + u8 first_slot_time = ath_bt_config.bt_first_slot_time; if (AR_SREV_9300_20_OR_LATER(ah)) rxclear_polarity = !ath_bt_config.bt_rxclear_polarity; + if (AR_SREV_SOC(ah)) { + first_slot_time = 0x1d; + time_extend = 0xa; + + btcoex_hw->bt_coex_mode3 = + SM(ath_bt_config.wl_active_time, AR_BT_WL_ACTIVE_TIME) | + SM(ath_bt_config.wl_qc_time, AR_BT_WL_QC_TIME); + + btcoex_hw->bt_coex_mode2 = + AR_BT_PROTECT_BT_AFTER_WAKEUP | + AR_BT_PHY_ERR_BT_COLL_ENABLE; + } + btcoex_hw->bt_coex_mode = (btcoex_hw->bt_coex_mode & AR_BT_QCU_THRESH) | - SM(ath_bt_config.bt_time_extend, AR_BT_TIME_EXTEND) | + SM(time_extend, AR_BT_TIME_EXTEND) | SM(ath_bt_config.bt_txstate_extend, AR_BT_TXSTATE_EXTEND) | SM(ath_bt_config.bt_txframe_extend, AR_BT_TX_FRAME_EXTEND) | SM(ath_bt_config.bt_mode, AR_BT_MODE) | SM(ath_bt_config.bt_quiet_collision, AR_BT_QUIET) | SM(rxclear_polarity, AR_BT_RX_CLEAR_POLARITY) | SM(ath_bt_config.bt_priority_time, AR_BT_PRIORITY_TIME) | - SM(ath_bt_config.bt_first_slot_time, AR_BT_FIRST_SLOT_TIME) | + SM(first_slot_time, AR_BT_FIRST_SLOT_TIME) | SM(qnum, AR_BT_QCU_THRESH); - btcoex_hw->bt_coex_mode2 = + btcoex_hw->bt_coex_mode2 |= SM(ath_bt_config.bt_hold_rx_clear, AR_BT_HOLD_RX_CLEAR) | SM(ATH_BTCOEX_BMISS_THRESH, AR_BT_BCN_MISS_THRESH) | AR_BT_DISABLE_BT_ANT; @@ -308,9 +327,15 @@ static void ath9k_hw_btcoex_enable_3wire(struct ath_hw *ah) * Program coex mode and weight registers to * enable coex 3-wire */ + if (AR_SREV_SOC(ah)) + REG_CLR_BIT(ah, AR_BT_COEX_MODE2, AR_BT_PHY_ERR_BT_COLL_ENABLE); + REG_WRITE(ah, AR_BT_COEX_MODE, btcoex->bt_coex_mode); REG_WRITE(ah, AR_BT_COEX_MODE2, btcoex->bt_coex_mode2); + if (AR_SREV_SOC(ah)) + REG_WRITE(ah, AR_BT_COEX_MODE3, btcoex->bt_coex_mode3); + if (AR_SREV_9300_20_OR_LATER(ah)) { REG_WRITE(ah, AR_BT_COEX_WL_WEIGHTS0, btcoex->wlan_weight[0]); REG_WRITE(ah, AR_BT_COEX_WL_WEIGHTS1, btcoex->wlan_weight[1]); diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h index 0f7c4e6..1bdfa84 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.h +++ b/drivers/net/wireless/ath/ath9k/btcoex.h @@ -115,6 +115,7 @@ struct ath_btcoex_hw { u32 bt_coex_mode; /* Register setting for AR_BT_COEX_MODE */ u32 bt_coex_weights; /* Register setting for AR_BT_COEX_WEIGHT */ u32 bt_coex_mode2; /* Register setting for AR_BT_COEX_MODE2 */ + u32 bt_coex_mode3; /* Register setting for AR_BT_COEX_MODE3 */ u32 bt_weight[AR9300_NUM_BT_WEIGHTS]; u32 wlan_weight[AR9300_NUM_WLAN_WEIGHTS]; u8 tx_prio[ATH_BTCOEX_STOMP_MAX]; -- 1.9.1