From patchwork Mon Jan 9 16:57:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shayne Chen X-Patchwork-Id: 13093887 X-Patchwork-Delegate: nbd@nbd.name 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AC8FFC54EBD for ; Mon, 9 Jan 2023 17:06:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233446AbjAIRGi (ORCPT ); Mon, 9 Jan 2023 12:06:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52940 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237310AbjAIQ6R (ORCPT ); Mon, 9 Jan 2023 11:58:17 -0500 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F0983D1FF for ; Mon, 9 Jan 2023 08:58:12 -0800 (PST) X-UUID: 8c41fe06d4624c46a7a13016d45d02b9-20230110 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=doG/l+hX3xHS5PCvb6pB333qWkpLioef6HJIhVBv+Gs=; b=MJdY1Zmn/ti4KtQh6EXgj2YONLp6pXOxGMVRcLjFGjc6kgK+89sTPwvHCa2w6SgV+9FeHjlPdnHP3WQKJXEnd+MNO4FCQJ1CXibs2qYbiVWIxbAEdkqy5UC5jabKn6RqAKzk4KswXyoHDpOXMQS+IMNFAm8X6Agud1p2B6FI60A=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.17,REQID:3bb89bae-55e7-4d2f-b87a-9d02867cea59,IP:0,U RL:0,TC:0,Content:-25,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:543e81c,CLOUDID:a1c84af5-ff42-4fb0-b929-626456a83c14,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0 X-CID-BVR: 0 X-UUID: 8c41fe06d4624c46a7a13016d45d02b9-20230110 Received: from mtkmbs11n2.mediatek.inc [(172.21.101.187)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1543172969; Tue, 10 Jan 2023 00:58:05 +0800 Received: from mtkmbs11n1.mediatek.inc (172.21.101.186) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.15; Tue, 10 Jan 2023 00:58:05 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.15 via Frontend Transport; Tue, 10 Jan 2023 00:58:05 +0800 From: Shayne Chen To: Felix Fietkau CC: linux-wireless , Lorenzo Bianconi , Ryder Lee , Evelyn Tsai , Bo Jiao , linux-mediatek , Shayne Chen Subject: [PATCH 07/13] wifi: mt76: mt7996: add variants support Date: Tue, 10 Jan 2023 00:57:25 +0800 Message-ID: <20230109165731.682-8-shayne.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20230109165731.682-1-shayne.chen@mediatek.com> References: <20230109165731.682-1-shayne.chen@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org There are variants of mt7996 which are different from eht supported and wtbl size limit. Get the hw caps with CHIP_CONFIG command. Signed-off-by: Shayne Chen --- .../wireless/mediatek/mt76/mt7996/eeprom.c | 27 +++++++++++ .../net/wireless/mediatek/mt76/mt7996/mcu.c | 46 +++++++++++++++++++ .../wireless/mediatek/mt76/mt7996/mt7996.h | 4 ++ 3 files changed, 77 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7996/eeprom.c index 5d8e0353627e..2e48c5a40f81 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/eeprom.c @@ -87,6 +87,28 @@ static int mt7996_eeprom_load(struct mt7996_dev *dev) return mt7996_check_eeprom(dev); } +static int mt7996_eeprom_parse_efuse_hw_cap(struct mt7996_dev *dev) +{ +#define MODE_HE_ONLY BIT(0) +#define WTBL_SIZE_GROUP GENMASK(31, 28) + u32 cap = 0; + int ret; + + ret = mt7996_mcu_get_chip_config(dev, &cap); + if (ret) + return ret; + + if (cap) { + dev->has_eht = !(cap & MODE_HE_ONLY); + dev->wtbl_size_group = u32_get_bits(cap, WTBL_SIZE_GROUP); + } + + if (dev->wtbl_size_group < 2 || dev->wtbl_size_group > 4) + dev->wtbl_size_group = 2; /* set default */ + + return 0; +} + static int mt7996_eeprom_parse_band_config(struct mt7996_phy *phy) { u8 *eeprom = phy->dev->mt76.eeprom.data; @@ -133,6 +155,7 @@ int mt7996_eeprom_parse_hw_cap(struct mt7996_dev *dev, struct mt7996_phy *phy) u8 path, nss, band_idx = phy->mt76->band_idx; u8 *eeprom = dev->mt76.eeprom.data; struct mt76_phy *mphy = phy->mt76; + int ret; switch (band_idx) { case MT_BAND1: @@ -167,6 +190,10 @@ int mt7996_eeprom_parse_hw_cap(struct mt7996_dev *dev, struct mt7996_phy *phy) dev->chainshift[band_idx + 1] = dev->chainshift[band_idx] + hweight16(mphy->chainmask); + ret = mt7996_eeprom_parse_efuse_hw_cap(dev); + if (ret) + return ret; + return mt7996_eeprom_parse_band_config(phy); } diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c index d781c6e0f33a..c74124af381e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c @@ -2977,6 +2977,52 @@ int mt7996_mcu_get_eeprom_free_block(struct mt7996_dev *dev, u8 *block_num) return 0; } +int mt7996_mcu_get_chip_config(struct mt7996_dev *dev, u32 *cap) +{ +#define NIC_CAP 3 +#define UNI_EVENT_CHIP_CONFIG_EFUSE_VERSION 0x21 + struct { + u8 _rsv[4]; + + __le16 tag; + __le16 len; + } __packed req = { + .tag = cpu_to_le16(NIC_CAP), + .len = cpu_to_le16(sizeof(req) - 4), + }; + struct sk_buff *skb; + u8 *buf; + int ret; + + ret = mt76_mcu_send_and_get_msg(&dev->mt76, + MCU_WM_UNI_CMD_QUERY(CHIP_CONFIG), &req, + sizeof(req), true, &skb); + if (ret) + return ret; + + /* fixed field */ + skb_pull(skb, 4); + + buf = skb->data; + while (buf - skb->data < skb->len) { + struct tlv *tlv = (struct tlv *)buf; + + switch (le16_to_cpu(tlv->tag)) { + case UNI_EVENT_CHIP_CONFIG_EFUSE_VERSION: + *cap = le32_to_cpu(*(__le32 *)(buf + sizeof(*tlv))); + break; + default: + break; + }; + + buf += le16_to_cpu(tlv->len); + } + + dev_kfree_skb(skb); + + return 0; +} + int mt7996_mcu_get_chan_mib_info(struct mt7996_phy *phy, bool chan_switch) { struct { diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h index 725344791b4c..00f3beda74cc 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h @@ -264,6 +264,7 @@ struct mt7996_dev { bool dbdc_support:1; bool tbtc_support:1; bool flash_mode:1; + bool has_eht:1; bool ibf; u8 fw_debug_wm; @@ -281,6 +282,8 @@ struct mt7996_dev { u32 reg_l1_backup; u32 reg_l2_backup; + + u8 wtbl_size_group; }; enum { @@ -419,6 +422,7 @@ int mt7996_mcu_set_fixed_rate_ctrl(struct mt7996_dev *dev, int mt7996_mcu_set_eeprom(struct mt7996_dev *dev); int mt7996_mcu_get_eeprom(struct mt7996_dev *dev, u32 offset); int mt7996_mcu_get_eeprom_free_block(struct mt7996_dev *dev, u8 *block_num); +int mt7996_mcu_get_chip_config(struct mt7996_dev *dev, u32 *cap); int mt7996_mcu_set_ser(struct mt7996_dev *dev, u8 action, u8 set, u8 band); int mt7996_mcu_set_txbf(struct mt7996_dev *dev, u8 action); int mt7996_mcu_set_fcc5_lpn(struct mt7996_dev *dev, int val);