From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CB9B7C433F5 for ; Wed, 27 Oct 2021 08:12:24 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 901B060C40 for ; Wed, 27 Oct 2021 08:12:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 901B060C40 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=BzQoKRg0WtdP3o8vR0c0zOuEna3bL6Zhtz6hMUCzoyI=; b=Psazbv0JObDcr0 csv8jTDwObVZpZDd/TUKpbSdSWMP8urp1xku1/kBKU7H7eiD7Bz4VWBgupXK+UnIqA/cdDu1Xn4/B TNL9ovEmtLuVbVCgtqcGOe5yRBL3YB/1tTnQBFC9kkaLaNw/7OGSB/OttlnXg2EQkUpKFEaYTq/P4 u7JmtG+Y7v31sc4eL1GyeVWUAek/ktF1yaXCq+f3dWq8mpTHz1uQzkHPqwSKBC5E/ybbH6hrA3NQu TAHT7+J1glDXkvytEfcWxfoR8aAow104ISnyz3pKCvm3h4hunDltG+jgiEfJTYHNkznZ2992gVohf K8H154thUgbL9QLrIonw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mfe2d-004HHC-JB; Wed, 27 Oct 2021 08:12:11 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mfe2a-004HFA-Hy for linux-mediatek@lists.infradead.org; Wed, 27 Oct 2021 08:12:10 +0000 X-UUID: 6821426f0a8448359194892b18a83931-20211027 X-UUID: 6821426f0a8448359194892b18a83931-20211027 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1851110817; Wed, 27 Oct 2021 01:12:01 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 27 Oct 2021 01:08:34 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Wed, 27 Oct 2021 16:08:33 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 27 Oct 2021 16:08:32 +0800 From: Shayne Chen To: Felix Fietkau CC: linux-wireless , Lorenzo Bianconi , Ryder Lee , "Evelyn Tsai" , linux-mediatek , Shayne Chen , Bo Jiao Subject: [PATCH] mt76: mt7915: add default calibrated data support Date: Wed, 27 Oct 2021 16:07:47 +0800 Message-ID: <20211027080747.24388-1-shayne.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211027_011208_624864_EC81B52F X-CRM114-Status: GOOD ( 17.75 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Load the default eeprom data when the content of flash/efuse is invalid. This could help to eliminate some issues due to incorrect or insufficient rf values. Co-developed-by: Bo Jiao Signed-off-by: Bo Jiao Signed-off-by: Shayne Chen Reviewed-by: Ryder Lee --- .../wireless/mediatek/mt76/mt7915/eeprom.c | 83 +++++++++++++++---- .../net/wireless/mediatek/mt76/mt7915/mcu.c | 24 ++++++ .../net/wireless/mediatek/mt76/mt7915/mcu.h | 1 + .../wireless/mediatek/mt76/mt7915/mt7915.h | 4 + 4 files changed, 98 insertions(+), 14 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c index ee3d644..626ea4a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: ISC /* Copyright (C) 2020 MediaTek Inc. */ +#include #include "mt7915.h" #include "eeprom.h" @@ -10,6 +11,9 @@ static int mt7915_eeprom_load_precal(struct mt7915_dev *dev) u8 *eeprom = mdev->eeprom.data; u32 val = eeprom[MT_EE_DO_PRE_CAL]; + if (!dev->flash_mode) + return 0; + if (val != (MT_EE_WIFI_CAL_DPD | MT_EE_WIFI_CAL_GROUP)) return 0; @@ -21,6 +25,49 @@ static int mt7915_eeprom_load_precal(struct mt7915_dev *dev) return mt76_get_of_eeprom(mdev, dev->cal, MT_EE_PRECAL, val); } +static int mt7915_check_eeprom(struct mt7915_dev *dev) +{ + u8 *eeprom = dev->mt76.eeprom.data; + u16 val = get_unaligned_le16(eeprom); + + switch (val) { + case 0x7915: + return 0; + default: + return -EINVAL; + } +} + +static int +mt7915_eeprom_load_default(struct mt7915_dev *dev) +{ + char *default_bin = MT7915_EEPROM_DEFAULT; + u8 *eeprom = dev->mt76.eeprom.data; + const struct firmware *fw = NULL; + int ret; + + if (dev->dbdc_support) + default_bin = MT7915_EEPROM_DEFAULT_DBDC; + + ret = request_firmware(&fw, default_bin, dev->mt76.dev); + if (ret) + goto out; + + if (!fw || !fw->data) { + dev_err(dev->mt76.dev, "Invalid default bin\n"); + ret = -EINVAL; + goto out; + } + + memcpy(eeprom, fw->data, MT7915_EEPROM_SIZE); + dev->flash_mode = true; + +out: + release_firmware(fw); + + return ret; +} + static int mt7915_eeprom_load(struct mt7915_dev *dev) { int ret; @@ -31,8 +78,8 @@ static int mt7915_eeprom_load(struct mt7915_dev *dev) if (ret) { dev->flash_mode = true; - ret = mt7915_eeprom_load_precal(dev); } else { + /* read eeprom data from efuse */ u32 block_num, i; block_num = DIV_ROUND_UP(MT7915_EEPROM_SIZE, @@ -42,20 +89,28 @@ static int mt7915_eeprom_load(struct mt7915_dev *dev) i * MT7915_EEPROM_BLOCK_SIZE); } - return ret; -} - -static int mt7915_check_eeprom(struct mt7915_dev *dev) -{ - u8 *eeprom = dev->mt76.eeprom.data; - u16 val = get_unaligned_le16(eeprom); + if (!dev->flash_mode) { + u8 free_block_num; + + mt7915_mcu_get_eeprom_free_block(dev, &free_block_num); + if (free_block_num >= 29) { + dev_warn(dev->mt76.dev, + "efuse info not enough, use default bin\n"); + ret = mt7915_eeprom_load_default(dev); + if (ret) + return ret; + } + } - switch (val) { - case 0x7915: - return 0; - default: - return -EINVAL; + ret = mt7915_check_eeprom(dev); + if (ret) { + dev_warn(dev->mt76.dev, "eeprom check fail, use default bin\n"); + ret = mt7915_eeprom_load_default(dev); + if (ret) + return ret; } + + return ret; } void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy) @@ -120,7 +175,7 @@ int mt7915_eeprom_init(struct mt7915_dev *dev) if (ret < 0) return ret; - ret = mt7915_check_eeprom(dev); + ret = mt7915_eeprom_load_precal(dev); if (ret) return ret; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index b054663..ee9952d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -3580,6 +3580,30 @@ int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset) return 0; } +int mt7915_mcu_get_eeprom_free_block(struct mt7915_dev *dev, u8 *block_num) +{ + struct { + u8 _rsv; + u8 version; + u8 die_idx; + u8 _rsv2; + } __packed req = { + .version = 1, + }; + struct sk_buff *skb; + int ret; + + ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_EXT_QUERY(EFUSE_FREE_BLOCK), &req, + sizeof(req), true, &skb); + if (ret) + return ret; + + *block_num = *(u8 *)skb->data; + dev_kfree_skb(skb); + + return 0; +} + static int mt7915_mcu_set_pre_cal(struct mt7915_dev *dev, u8 idx, u8 *data, u32 len, int cmd) { diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h index b563e7c..e9f39ed 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h @@ -278,6 +278,7 @@ enum { MCU_EXT_CMD_MUAR_UPDATE = 0x48, MCU_EXT_CMD_RX_AIRTIME_CTRL = 0x4a, MCU_EXT_CMD_SET_RX_PATH = 0x4e, + MCU_EXT_CMD_EFUSE_FREE_BLOCK = 0x4f, MCU_EXT_CMD_TX_POWER_FEATURE_CTRL = 0x58, MCU_EXT_CMD_GET_MIB_INFO = 0x5a, MCU_EXT_CMD_MWDS_SUPPORT = 0x80, diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index e69b4c8..c6c846d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -30,6 +30,9 @@ #define MT7915_FIRMWARE_WM "mediatek/mt7915_wm.bin" #define MT7915_ROM_PATCH "mediatek/mt7915_rom_patch.bin" +#define MT7915_EEPROM_DEFAULT "mediatek/mt7915_eeprom.bin" +#define MT7915_EEPROM_DEFAULT_DBDC "mediatek/mt7915_eeprom_dbdc.bin" + #define MT7915_EEPROM_SIZE 3584 #define MT7915_EEPROM_BLOCK_SIZE 16 #define MT7915_TOKEN_SIZE 8192 @@ -423,6 +426,7 @@ int mt7915_mcu_set_fixed_rate_ctrl(struct mt7915_dev *dev, void *data, u32 field); int mt7915_mcu_set_eeprom(struct mt7915_dev *dev); int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset); +int mt7915_mcu_get_eeprom_free_block(struct mt7915_dev *dev, u8 *block_num); int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band, bool enable, bool hdr_trans); int mt7915_mcu_set_test_param(struct mt7915_dev *dev, u8 param, bool test_mode, -- 2.25.1 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek