From patchwork Tue Dec 30 14:18:39 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Emmanuel Grumbach X-Patchwork-Id: 5552361 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 260C9BF6C3 for ; Tue, 30 Dec 2014 14:19:55 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C0A9B20160 for ; Tue, 30 Dec 2014 14:19:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 23ECA2012E for ; Tue, 30 Dec 2014 14:19:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751802AbaL3OTt (ORCPT ); Tue, 30 Dec 2014 09:19:49 -0500 Received: from mga11.intel.com ([192.55.52.93]:52687 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751683AbaL3OTr (ORCPT ); Tue, 30 Dec 2014 09:19:47 -0500 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP; 30 Dec 2014 06:19:26 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.07,666,1413270000"; d="scan'208";a="644558606" Received: from egrumbacbox.jer.intel.com ([10.12.126.105]) by fmsmga001.fm.intel.com with ESMTP; 30 Dec 2014 06:19:22 -0800 From: Emmanuel Grumbach To: linux-wireless@vger.kernel.org Cc: Moshe Harel , Emmanuel Grumbach Subject: [PATCH 04/33] iwlwifi: mvm: support LnP 1x1 antenna configuration Date: Tue, 30 Dec 2014 16:18:39 +0200 Message-Id: <1419949148-24046-4-git-send-email-emmanuel.grumbach@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1419948357.21410.4.camel@egrumbacBox> References: <1419948357.21410.4.camel@egrumbacBox> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Moshe Harel The antenna configuration has to be read also from OTP Currently read only from FW image Guideline: An antenna exists only if appears both in FW image & NVM Signed-off-by: Moshe Harel Reviewed-by: Johannes Berg Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/iwlwifi/iwl-nvm-parse.c | 6 ++++++ drivers/net/wireless/iwlwifi/mvm/debugfs.c | 2 +- drivers/net/wireless/iwlwifi/mvm/fw.c | 8 ++++---- drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c | 2 +- drivers/net/wireless/iwlwifi/mvm/mvm.h | 27 +++++++++++++++++++++++++++ drivers/net/wireless/iwlwifi/mvm/ops.c | 15 ++++++++------- drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c | 2 +- drivers/net/wireless/iwlwifi/mvm/rs.c | 22 +++++++++++----------- drivers/net/wireless/iwlwifi/mvm/scan.c | 6 +++--- drivers/net/wireless/iwlwifi/mvm/tx.c | 2 +- drivers/net/wireless/iwlwifi/mvm/utils.c | 4 ++-- 11 files changed, 65 insertions(+), 31 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c index 06e02fc..c74f1a4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c @@ -468,6 +468,8 @@ static void iwl_set_radio_cfg(const struct iwl_cfg *cfg, data->radio_cfg_step = NVM_RF_CFG_STEP_MSK_FAMILY_8000(radio_cfg); data->radio_cfg_dash = NVM_RF_CFG_DASH_MSK_FAMILY_8000(radio_cfg); data->radio_cfg_pnum = NVM_RF_CFG_FLAVOR_MSK_FAMILY_8000(radio_cfg); + data->valid_tx_ant = NVM_RF_CFG_TX_ANT_MSK_FAMILY_8000(radio_cfg); + data->valid_rx_ant = NVM_RF_CFG_RX_ANT_MSK_FAMILY_8000(radio_cfg); } static void iwl_set_hw_address(const struct iwl_cfg *cfg, @@ -592,6 +594,10 @@ iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg, radio_cfg = iwl_get_radio_cfg(cfg, nvm_sw); iwl_set_radio_cfg(cfg, data, radio_cfg); + if (data->valid_tx_ant) + tx_chains &= data->valid_tx_ant; + if (data->valid_rx_ant) + rx_chains &= data->valid_rx_ant; sku = iwl_get_sku(cfg, nvm_sw); data->sku_cap_band_24GHz_enable = sku & NVM_SKU_CAP_BAND_24GHZ; diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c index 33bf915..0507647 100644 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c @@ -933,7 +933,7 @@ iwl_dbgfs_scan_ant_rxchain_write(struct iwl_mvm *mvm, char *buf, return -EINVAL; if (scan_rx_ant > ANT_ABC) return -EINVAL; - if (scan_rx_ant & ~mvm->fw->valid_rx_ant) + if (scan_rx_ant & ~(iwl_mvm_get_valid_rx_ant(mvm))) return -EINVAL; if (mvm->scan_rx_ant != scan_rx_ant) { diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c index d0fa6e9..60d0c9f 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/iwlwifi/mvm/fw.c @@ -269,7 +269,7 @@ static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm) enum iwl_ucode_type ucode_type = mvm->cur_ucode; /* Set parameters */ - phy_cfg_cmd.phy_cfg = cpu_to_le32(mvm->fw->phy_config); + phy_cfg_cmd.phy_cfg = cpu_to_le32(iwl_mvm_get_phy_config(mvm)); phy_cfg_cmd.calib_control.event_trigger = mvm->fw->default_calib[ucode_type].event_trigger; phy_cfg_cmd.calib_control.flow_trigger = @@ -346,7 +346,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) mvm->calibrating = true; /* Send TX valid antennas before triggering calibrations */ - ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant); + ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); if (ret) goto error; @@ -489,7 +489,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm) mvm->fw_dbg_conf = FW_DBG_INVALID; iwl_mvm_start_fw_dbg_conf(mvm, FW_DBG_CUSTOM); - ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant); + ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); if (ret) goto error; @@ -584,7 +584,7 @@ int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm) goto error; } - ret = iwl_send_tx_ant_cfg(mvm, mvm->fw->valid_tx_ant); + ret = iwl_send_tx_ant_cfg(mvm, iwl_mvm_get_valid_tx_ant(mvm)); if (ret) goto error; diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c index f6d86cc..7196b4d 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c @@ -975,7 +975,7 @@ static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, beacon_cmd.tx.tx_flags = cpu_to_le32(tx_flags); mvm->mgmt_last_antenna_idx = - iwl_mvm_next_antenna(mvm, mvm->fw->valid_tx_ant, + iwl_mvm_next_antenna(mvm, iwl_mvm_get_valid_tx_ant(mvm), mvm->mgmt_last_antenna_idx); beacon_cmd.tx.rate_n_flags = diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index d24660f..f3cb089 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -937,6 +937,33 @@ int iwl_mvm_rx_statistics(struct iwl_mvm *mvm, int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic); int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm); +static inline u8 iwl_mvm_get_valid_tx_ant(struct iwl_mvm *mvm) +{ + return mvm->nvm_data && mvm->nvm_data->valid_tx_ant ? + mvm->fw->valid_tx_ant & mvm->nvm_data->valid_tx_ant : + mvm->fw->valid_tx_ant; +} + +static inline u8 iwl_mvm_get_valid_rx_ant(struct iwl_mvm *mvm) +{ + return mvm->nvm_data && mvm->nvm_data->valid_rx_ant ? + mvm->fw->valid_rx_ant & mvm->nvm_data->valid_rx_ant : + mvm->fw->valid_rx_ant; +} + +static inline u32 iwl_mvm_get_phy_config(struct iwl_mvm *mvm) +{ + u32 phy_config = ~(FW_PHY_CFG_TX_CHAIN | + FW_PHY_CFG_RX_CHAIN); + u32 valid_rx_ant = iwl_mvm_get_valid_rx_ant(mvm); + u32 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm); + + phy_config |= valid_tx_ant << FW_PHY_CFG_TX_CHAIN_POS | + valid_rx_ant << FW_PHY_CFG_RX_CHAIN_POS; + + return mvm->fw->phy_config & phy_config; +} + int iwl_mvm_up(struct iwl_mvm *mvm); int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm); diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index 552a776..146554c 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -139,13 +139,14 @@ static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); u8 radio_cfg_type, radio_cfg_step, radio_cfg_dash; u32 reg_val = 0; - - radio_cfg_type = (mvm->fw->phy_config & FW_PHY_CFG_RADIO_TYPE) >> - FW_PHY_CFG_RADIO_TYPE_POS; - radio_cfg_step = (mvm->fw->phy_config & FW_PHY_CFG_RADIO_STEP) >> - FW_PHY_CFG_RADIO_STEP_POS; - radio_cfg_dash = (mvm->fw->phy_config & FW_PHY_CFG_RADIO_DASH) >> - FW_PHY_CFG_RADIO_DASH_POS; + u32 phy_config = iwl_mvm_get_phy_config(mvm); + + radio_cfg_type = (phy_config & FW_PHY_CFG_RADIO_TYPE) >> + FW_PHY_CFG_RADIO_TYPE_POS; + radio_cfg_step = (phy_config & FW_PHY_CFG_RADIO_STEP) >> + FW_PHY_CFG_RADIO_STEP_POS; + radio_cfg_dash = (phy_config & FW_PHY_CFG_RADIO_DASH) >> + FW_PHY_CFG_RADIO_DASH_POS; /* SKU control */ reg_val |= CSR_HW_REV_STEP(mvm->trans->hw_rev) << diff --git a/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c index 1c0d4a4..540c36b 100644 --- a/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c +++ b/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c @@ -176,7 +176,7 @@ static void iwl_mvm_phy_ctxt_cmd_data(struct iwl_mvm *mvm, cmd->rxchain_info |= cpu_to_le32(active_cnt << PHY_RX_CHAIN_MIMO_CNT_POS); - cmd->txchain_info = cpu_to_le32(mvm->fw->valid_tx_ant); + cmd->txchain_info = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm)); } /* diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c index 30ceb67..b9682d7 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -173,7 +173,7 @@ static bool rs_mimo_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, if (sta->smps_mode == IEEE80211_SMPS_STATIC) return false; - if (num_of_ant(mvm->fw->valid_tx_ant) < 2) + if (num_of_ant(iwl_mvm_get_valid_tx_ant(mvm)) < 2) return false; if (!iwl_mvm_bt_coex_is_mimo_allowed(mvm, sta)) @@ -1004,7 +1004,7 @@ static void rs_get_lower_rate_down_column(struct iwl_lq_sta *lq_sta, } if (num_of_ant(rate->ant) > 1) - rate->ant = first_antenna(mvm->fw->valid_tx_ant); + rate->ant = first_antenna(iwl_mvm_get_valid_tx_ant(mvm)); /* Relevant in both switching to SISO or Legacy */ rate->sgi = false; @@ -1567,7 +1567,7 @@ static enum rs_column rs_get_next_column(struct iwl_mvm *mvm, const struct rs_tx_column *curr_col = &rs_tx_columns[tbl->column]; const struct rs_tx_column *next_col; allow_column_func_t allow_func; - u8 valid_ants = mvm->fw->valid_tx_ant; + u8 valid_ants = iwl_mvm_get_valid_tx_ant(mvm); const u16 *expected_tpt_tbl; u16 tpt, max_expected_tpt; @@ -2385,7 +2385,7 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm, int i, nentries; s8 best_rssi = S8_MIN; u8 best_ant = ANT_NONE; - u8 valid_tx_ant = mvm->fw->valid_tx_ant; + u8 valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm); const struct rs_init_rate_info *initial_rates; for (i = 0; i < ARRAY_SIZE(lq_sta->pers.chain_signal); i++) { @@ -2745,7 +2745,7 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, lq_sta->ldpc = true; if (mvm->cfg->ht_params->stbc && - (num_of_ant(mvm->fw->valid_tx_ant) > 1) && + (num_of_ant(iwl_mvm_get_valid_tx_ant(mvm)) > 1) && (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC)) lq_sta->stbc = true; } else { @@ -2757,7 +2757,7 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, lq_sta->ldpc = true; if (mvm->cfg->ht_params->stbc && - (num_of_ant(mvm->fw->valid_tx_ant) > 1) && + (num_of_ant(iwl_mvm_get_valid_tx_ant(mvm)) > 1) && (vht_cap->cap & IEEE80211_VHT_CAP_RXSTBC_MASK)) lq_sta->stbc = true; } @@ -2785,7 +2785,7 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, /* These values will be overridden later */ lq_sta->lq.single_stream_ant_msk = - first_antenna(mvm->fw->valid_tx_ant); + first_antenna(iwl_mvm_get_valid_tx_ant(mvm)); lq_sta->lq.dual_stream_ant_msk = ANT_AB; /* as default allow aggregation for all tids */ @@ -2913,7 +2913,7 @@ static void rs_build_rates_table(struct iwl_mvm *mvm, memcpy(&rate, initial_rate, sizeof(rate)); - valid_tx_ant = mvm->fw->valid_tx_ant; + valid_tx_ant = iwl_mvm_get_valid_tx_ant(mvm); rate.stbc = rs_stbc_allow(mvm, sta, lq_sta); if (is_siso(&rate)) { @@ -3167,9 +3167,9 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, desc += sprintf(buff+desc, "fixed rate 0x%X\n", lq_sta->pers.dbg_fixed_rate); desc += sprintf(buff+desc, "valid_tx_ant %s%s%s\n", - (mvm->fw->valid_tx_ant & ANT_A) ? "ANT_A," : "", - (mvm->fw->valid_tx_ant & ANT_B) ? "ANT_B," : "", - (mvm->fw->valid_tx_ant & ANT_C) ? "ANT_C" : ""); + (iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "", + (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "", + (iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : ""); desc += sprintf(buff+desc, "lq type %s\n", (is_legacy(rate)) ? "legacy" : is_vht(rate) ? "VHT" : "HT"); diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index e5294d0..2433676 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -97,7 +97,7 @@ static u8 iwl_mvm_scan_rx_ant(struct iwl_mvm *mvm) { if (mvm->scan_rx_ant != ANT_NONE) return mvm->scan_rx_ant; - return mvm->fw->valid_rx_ant; + return iwl_mvm_get_valid_rx_ant(mvm); } static inline __le16 iwl_mvm_scan_rx_chain(struct iwl_mvm *mvm) @@ -128,7 +128,7 @@ iwl_mvm_scan_rate_n_flags(struct iwl_mvm *mvm, enum ieee80211_band band, u32 tx_ant; mvm->scan_last_antenna_idx = - iwl_mvm_next_antenna(mvm, mvm->fw->valid_tx_ant, + iwl_mvm_next_antenna(mvm, iwl_mvm_get_valid_tx_ant(mvm), mvm->scan_last_antenna_idx); tx_ant = BIT(mvm->scan_last_antenna_idx) << RATE_MCS_ANT_POS; @@ -1603,7 +1603,7 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm) SCAN_CONFIG_FLAG_SET_MAC_ADDR | SCAN_CONFIG_FLAG_SET_CHANNEL_FLAGS| SCAN_CONFIG_N_CHANNELS(num_channels)); - scan_config->tx_chains = cpu_to_le32(mvm->fw->valid_tx_ant); + scan_config->tx_chains = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm)); scan_config->rx_chains = cpu_to_le32(iwl_mvm_scan_rx_ant(mvm)); scan_config->legacy_rates = iwl_mvm_scan_config_rates(mvm); scan_config->out_of_channel_time = cpu_to_le32(170); diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 4f15d9d..d6cdb77 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -209,7 +209,7 @@ void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd, rate_plcp = iwl_mvm_mac80211_idx_to_hwrate(rate_idx); mvm->mgmt_last_antenna_idx = - iwl_mvm_next_antenna(mvm, mvm->fw->valid_tx_ant, + iwl_mvm_next_antenna(mvm, iwl_mvm_get_valid_tx_ant(mvm), mvm->mgmt_last_antenna_idx); if (info->band == IEEE80211_BAND_2GHZ && diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c index e56e77e..f0a1141 100644 --- a/drivers/net/wireless/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/iwlwifi/mvm/utils.c @@ -620,7 +620,7 @@ void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, lockdep_assert_held(&mvm->mutex); /* SMPS is irrelevant for NICs that don't have at least 2 RX antenna */ - if (num_of_ant(mvm->fw->valid_rx_ant) == 1) + if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm)) == 1) return; if (vif->type == NL80211_IFTYPE_AP) @@ -662,7 +662,7 @@ bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm) lockdep_assert_held(&mvm->mutex); - if (num_of_ant(mvm->fw->valid_rx_ant) == 1) + if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm)) == 1) return false; if (!mvm->cfg->rx_with_siso_diversity)