From patchwork Fri Apr 9 22:51:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 419141 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 393E1C433B4 for ; Fri, 9 Apr 2021 22:52:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0E5D761178 for ; Fri, 9 Apr 2021 22:52:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235149AbhDIWwk (ORCPT ); Fri, 9 Apr 2021 18:52:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:43682 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235105AbhDIWwk (ORCPT ); Fri, 9 Apr 2021 18:52:40 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id E030A61165; Fri, 9 Apr 2021 22:52:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1618008746; bh=DJpsIo0oyj9rYXL7Z8VGg4uxyz4sSdW0W9V1G4XseBA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PxRQUOnZTcBsA8oWikHVzNlxPFyxrWKvKWuvzz8MtquVvEbP/9Tn+PKxdtNNAf27Y vpvGJUqyVfG6AV+9RFDASwnuqOJZbI+6AmRSEjlLqFR/jc4CyBuM+AQs4HScKcfVq6 /Z7qbqpZFp0CiRfbSh9Jna/YILrjzZE14SjGdCm6lh+fJhQtrUaB2vmIeKajTNu0J4 Sz01C00Pv6D7AJK+Xy9y79YEnbMLnm9Plkmo0XTp87+mU6DKu7nZewfLL2E1b2kzuh IOBvvRNSiK2pz5RAuk5MSlFZaCNuw7WFkb5VDSyb7y8To5xHhlYjW6+Z/IzfYweorS FAgmPFsG44yfQ== From: Lorenzo Bianconi To: nbd@nbd.name Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com, sean.wang@mediatek.com, ryder.lee@mediatek.com, shayne.chen@mediatek.com, devicetree@vger.kernel.org, robh@kernel.org Subject: [PATCH v2 7/7] mt76: mt7921: add dumping Tx power table Date: Sat, 10 Apr 2021 00:51:52 +0200 Message-Id: <0cbddcdf768094cdc2c663d966974f1977c4df6a.1618008449.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Sean Wang Dump the tx power table saved in offload firmware. Signed-off-by: Sean Wang Signed-off-by: Lorenzo Bianconi --- .../wireless/mediatek/mt76/mt76_connac_mcu.h | 1 + .../wireless/mediatek/mt76/mt7921/debugfs.c | 79 +++++++++++++++++++ .../net/wireless/mediatek/mt76/mt7921/mcu.c | 23 ++++++ .../net/wireless/mediatek/mt76/mt7921/mcu.h | 17 ++++ .../wireless/mediatek/mt76/mt7921/mt7921.h | 31 ++++++++ 5 files changed, 151 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h index 01c458e14dc7..c056eca6816a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h @@ -564,6 +564,7 @@ enum { MCU_CMD_CHIP_CONFIG = MCU_CE_PREFIX | 0xca, MCU_CMD_FWLOG_2_HOST = MCU_CE_PREFIX | 0xc5, MCU_CMD_GET_WTBL = MCU_CE_PREFIX | 0xcd, + MCU_CMD_GET_TXPWR = MCU_CE_PREFIX | 0xd0, }; enum { diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c index b2e8d698e019..024524173115 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c @@ -158,6 +158,83 @@ mt7921_queues_read(struct seq_file *s, void *data) return 0; } +static void +mt7921_seq_puts_array(struct seq_file *file, const char *str, + s8 *val, int len) +{ + int i; + + seq_printf(file, "%-16s:", str); + for (i = 0; i < len; i++) + if (val[i] == 127) + seq_printf(file, " %6s", "N.A"); + else + seq_printf(file, " %6d", val[i]); + seq_puts(file, "\n"); +} + +#define mt7921_print_txpwr_entry(prefix, rate) \ +({ \ + mt7921_seq_puts_array(s, #prefix " (user)", \ + txpwr.data[TXPWR_USER].rate, \ + ARRAY_SIZE(txpwr.data[TXPWR_USER].rate)); \ + mt7921_seq_puts_array(s, #prefix " (eeprom)", \ + txpwr.data[TXPWR_EEPROM].rate, \ + ARRAY_SIZE(txpwr.data[TXPWR_EEPROM].rate)); \ + mt7921_seq_puts_array(s, #prefix " (tmac)", \ + txpwr.data[TXPWR_MAC].rate, \ + ARRAY_SIZE(txpwr.data[TXPWR_MAC].rate)); \ +}) + +static int +mt7921_txpwr(struct seq_file *s, void *data) +{ + struct mt7921_dev *dev = dev_get_drvdata(s->private); + struct mt7921_txpwr txpwr; + int ret; + + ret = mt7921_get_txpwr_info(dev, &txpwr); + if (ret) + return ret; + + seq_printf(s, "Tx power table (channel %d)\n", txpwr.ch); + seq_printf(s, "%-16s %6s %6s %6s %6s\n", + " ", "1m", "2m", "5m", "11m"); + mt7921_print_txpwr_entry(CCK, cck); + + seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s\n", + " ", "6m", "9m", "12m", "18m", "24m", "36m", + "48m", "54m"); + mt7921_print_txpwr_entry(OFDM, ofdm); + + seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s\n", + " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", + "mcs6", "mcs7"); + mt7921_print_txpwr_entry(HT20, ht20); + + seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n", + " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", + "mcs6", "mcs7", "mcs32"); + mt7921_print_txpwr_entry(HT40, ht40); + + seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n", + " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", + "mcs6", "mcs7", "mcs8", "mcs9", "mcs10", "mcs11"); + mt7921_print_txpwr_entry(VHT20, vht20); + mt7921_print_txpwr_entry(VHT40, vht40); + mt7921_print_txpwr_entry(VHT80, vht80); + mt7921_print_txpwr_entry(VHT160, vht160); + mt7921_print_txpwr_entry(HE26, he26); + mt7921_print_txpwr_entry(HE52, he52); + mt7921_print_txpwr_entry(HE106, he106); + mt7921_print_txpwr_entry(HE242, he242); + mt7921_print_txpwr_entry(HE484, he484); + mt7921_print_txpwr_entry(HE996, he996); + mt7921_print_txpwr_entry(HE996x2, he996x2); + + return 0; +} + static int mt7921_pm_set(void *data, u64 val) { @@ -237,6 +314,8 @@ int mt7921_init_debugfs(struct mt7921_dev *dev) mt7921_queues_read); debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir, mt7921_queues_acq); + debugfs_create_devm_seqfile(dev->mt76.dev, "txpower_sku", dir, + mt7921_txpwr); debugfs_create_file("tx_stats", 0400, dir, dev, &fops_tx_stats); debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug); debugfs_create_file("runtime-pm", 0600, dir, dev, &fops_pm); diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c index b233b12860ef..b5cee20c5f27 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c @@ -1358,3 +1358,26 @@ int mt7921_mcu_update_arp_filter(struct ieee80211_hw *hw, return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_UNI_CMD_OFFLOAD, true); } + +int mt7921_get_txpwr_info(struct mt7921_dev *dev, struct mt7921_txpwr *txpwr) +{ + struct mt7921_txpwr_event *event; + struct mt7921_txpwr_req req = { + .dbdc_idx = 0, + }; + struct sk_buff *skb; + int ret; + + ret = mt76_mcu_send_and_get_msg(&dev->mt76, MCU_CMD_GET_TXPWR, + &req, sizeof(req), true, &skb); + if (ret) + return ret; + + event = (struct mt7921_txpwr_event *)skb->data; + WARN_ON(skb->len != le16_to_cpu(event->len)); + memcpy(txpwr, &event->txpwr, sizeof(event->txpwr)); + + dev_kfree_skb(skb); + + return 0; +} diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h index af8b42983a00..d980e92028ba 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.h @@ -85,6 +85,7 @@ enum { MCU_EVENT_CH_PRIVILEGE = 0x18, MCU_EVENT_SCHED_SCAN_DONE = 0x23, MCU_EVENT_DBG_MSG = 0x27, + MCU_EVENT_TXPWR = 0xd0, MCU_EVENT_COREDUMP = 0xf0, }; @@ -389,4 +390,20 @@ struct mt7921_mcu_wlan_info { __le32 wlan_idx; struct mt7921_mcu_wlan_info_event event; } __packed; + +struct mt7921_txpwr_req { + u8 ver; + u8 action; + __le16 len; + u8 dbdc_idx; + u8 rsv[3]; +} __packed; + +struct mt7921_txpwr_event { + u8 ver; + u8 action; + __le16 len; + struct mt7921_txpwr txpwr; +} __packed; + #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h index e4211b049040..91f5f931c30a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mt7921.h @@ -172,6 +172,36 @@ struct mt7921_dev { struct mt76_connac_coredump coredump; }; +enum { + TXPWR_USER, + TXPWR_EEPROM, + TXPWR_MAC, + TXPWR_MAX_NUM, +}; + +struct mt7921_txpwr { + u8 ch; + u8 rsv[3]; + struct { + u8 ch; + u8 cck[4]; + u8 ofdm[8]; + u8 ht20[8]; + u8 ht40[9]; + u8 vht20[12]; + u8 vht40[12]; + u8 vht80[12]; + u8 vht160[12]; + u8 he26[12]; + u8 he52[12]; + u8 he106[12]; + u8 he242[12]; + u8 he484[12]; + u8 he996[12]; + u8 he996x2[12]; + } data[TXPWR_MAX_NUM]; +}; + enum { MT_LMAC_AC00, MT_LMAC_AC01, @@ -352,4 +382,5 @@ int mt7921_mcu_update_arp_filter(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *info); int mt7921_wfsys_reset(struct mt7921_dev *dev); +int mt7921_get_txpwr_info(struct mt7921_dev *dev, struct mt7921_txpwr *txpwr); #endif