From patchwork Thu Jan 14 11:29:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Felix Fietkau X-Patchwork-Id: 363328 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7D1E2C43331 for ; Thu, 14 Jan 2021 11:31:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 45ED323A34 for ; Thu, 14 Jan 2021 11:31:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729027AbhANLbH (ORCPT ); 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Received: from p54ae91f2.dip0.t-ipconnect.de ([84.174.145.242] helo=localhost.localdomain) by ds12 with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.89) (envelope-from ) id 1l00oh-0001PU-Qd for linux-wireless@vger.kernel.org; Thu, 14 Jan 2021 12:29:27 +0100 From: Felix Fietkau To: linux-wireless@vger.kernel.org Subject: [PATCH 6/7] mt76: mt7915: fix eeprom parsing for DBDC Date: Thu, 14 Jan 2021 12:29:24 +0100 Message-Id: <20210114112925.87646-6-nbd@nbd.name> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20210114112925.87646-1-nbd@nbd.name> References: <20210114112925.87646-1-nbd@nbd.name> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Annotate WIFI_CONF eeprom mask values with the byte number Fix parsing per-band number of chains Signed-off-by: Felix Fietkau --- .../wireless/mediatek/mt76/mt7915/eeprom.c | 26 +++++++++---------- .../wireless/mediatek/mt76/mt7915/eeprom.h | 17 +++++++----- 2 files changed, 23 insertions(+), 20 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c index 7807b9165e01..8f12a1bef3fc 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c @@ -53,7 +53,7 @@ void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy) u32 val; val = mt7915_eeprom_read(dev, MT_EE_WIFI_CONF + ext_phy); - val = FIELD_GET(MT_EE_WIFI_CONF_BAND_SEL, val); + val = FIELD_GET(MT_EE_WIFI_CONF0_BAND_SEL, val); switch (val) { case MT_EE_5GHZ: phy->mt76->cap.has_5ghz = true; @@ -70,25 +70,25 @@ void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy) static void mt7915_eeprom_parse_hw_cap(struct mt7915_dev *dev) { - u8 nss, tx_mask[2] = {}, *eeprom = dev->mt76.eeprom.data; + u8 nss, *eeprom = dev->mt76.eeprom.data; mt7915_eeprom_parse_band_config(&dev->phy); /* read tx mask from eeprom */ - tx_mask[0] = FIELD_GET(MT_EE_WIFI_CONF_TX_MASK, - eeprom[MT_EE_WIFI_CONF]); - if (dev->dbdc_support) - tx_mask[1] = FIELD_GET(MT_EE_WIFI_CONF_TX_MASK, - eeprom[MT_EE_WIFI_CONF + 1]); - - nss = tx_mask[0] + tx_mask[1]; - if (!nss || nss > 4) { - tx_mask[0] = 4; + nss = FIELD_GET(MT_EE_WIFI_CONF0_TX_PATH, eeprom[MT_EE_WIFI_CONF]); + if (!nss || nss > 4) nss = 4; - } dev->chainmask = BIT(nss) - 1; - dev->mphy.antenna_mask = BIT(tx_mask[0]) - 1; + + if (dev->dbdc_support) { + nss = FIELD_GET(MT_EE_WIFI_CONF3_TX_PATH_B0, + eeprom[MT_EE_WIFI_CONF + 3]); + if (!nss || nss > 2) + nss = 2; + } + + dev->mphy.antenna_mask = BIT(nss) - 1; dev->mphy.chainmask = dev->mphy.antenna_mask; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h index 6712032b40df..7999e95560a8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h @@ -25,11 +25,14 @@ enum mt7915_eeprom_field { __MT_EE_MAX = 0xe00 }; -#define MT_EE_WIFI_CONF_TX_MASK GENMASK(2, 0) -#define MT_EE_WIFI_CONF_BAND_SEL GENMASK(7, 6) -#define MT_EE_WIFI_CONF_TSSI0_2G BIT(0) -#define MT_EE_WIFI_CONF_TSSI0_5G BIT(2) -#define MT_EE_WIFI_CONF_TSSI1_5G BIT(4) +#define MT_EE_WIFI_CONF0_TX_PATH GENMASK(2, 0) +#define MT_EE_WIFI_CONF0_BAND_SEL GENMASK(7, 6) +#define MT_EE_WIFI_CONF1_BAND_SEL GENMASK(7, 6) +#define MT_EE_WIFI_CONF3_TX_PATH_B0 GENMASK(1, 0) +#define MT_EE_WIFI_CONF3_TX_PATH_B1 GENMASK(5, 4) +#define MT_EE_WIFI_CONF7_TSSI0_2G BIT(0) +#define MT_EE_WIFI_CONF7_TSSI0_5G BIT(2) +#define MT_EE_WIFI_CONF7_TSSI1_5G BIT(4) enum mt7915_eeprom_band { MT_EE_DUAL_BAND, @@ -116,9 +119,9 @@ mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band) /* TODO: DBDC */ if (band == NL80211_BAND_5GHZ) - return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF_TSSI0_5G; + return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF7_TSSI0_5G; else - return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF_TSSI0_2G; + return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF7_TSSI0_2G; } extern const struct sku_group mt7915_sku_groups[];