From patchwork Tue Apr 14 21:01:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryder Lee X-Patchwork-Id: 11489253 X-Patchwork-Delegate: nbd@nbd.name Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 171A0913 for ; Tue, 14 Apr 2020 21:03:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EC7732076A for ; Tue, 14 Apr 2020 21:03:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="gy0S0vKr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2633586AbgDNVDu (ORCPT ); Tue, 14 Apr 2020 17:03:50 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:3408 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S2633575AbgDNVCJ (ORCPT ); Tue, 14 Apr 2020 17:02:09 -0400 X-UUID: 86a15d723cb649cdbd69d511e5bc469f-20200415 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=c50YIVxmbOajpC2CO4PdY4Sl7aeZnR2QVqENnNV97Pk=; b=gy0S0vKr7OwdDMXfmf8zMI40dnAyfIcIh11N72DK3BiSJLDTWedZZDBwEkpqr+recjARaAHR94PT7J6o2EEOyLWFwu6xTtF1X0QBvyCf+FNEZ3euEtYdzl5IR173Z2bc+/fOQlM+/Jc7iOPF+Wg4AayQsUdXK7qft8OUa52vIXo=; X-UUID: 86a15d723cb649cdbd69d511e5bc469f-20200415 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 886965582; Wed, 15 Apr 2020 05:01:59 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs06n2.mediatek.inc (172.21.101.130) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 15 Apr 2020 05:01:39 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 15 Apr 2020 05:01:38 +0800 From: Ryder Lee To: Felix Fietkau , Lorenzo Bianconi CC: Shayne Chen , YF Luo , Yiwei Chung , Chih-Min Chen , Evelyn Tsai , Sean Wang , , , Ryder Lee Subject: [PATCH v2 17/18] mt76: mt7915: enable firmware module debug support Date: Wed, 15 Apr 2020 05:01:15 +0800 Message-ID: X-Mailer: git-send-email 2.18.0 In-Reply-To: References: MIME-Version: 1.0 X-TM-SNTS-SMTP: 83A3483B71DF430FDEE7D25F64F9C5C9969CAF20B4A2E0BECBE012FBA926593D2000:8 X-MTK: N Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org This allows host driver to get useful information of some important modules. Signed-off-by: Ryder Lee Signed-off-by: Chih-Min Chen --- .../wireless/mediatek/mt76/mt7915/debugfs.c | 36 ++++++++++++ .../net/wireless/mediatek/mt76/mt7915/mcu.c | 58 +++++++++++++++++++ .../net/wireless/mediatek/mt76/mt7915/mcu.h | 3 + .../wireless/mediatek/mt76/mt7915/mt7915.h | 2 + 4 files changed, 99 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c index cf3b60ded6ef..c6c009cd773e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c @@ -74,6 +74,41 @@ mt7915_dbdc_get(void *data, u64 *val) DEFINE_DEBUGFS_ATTRIBUTE(fops_dbdc, mt7915_dbdc_get, mt7915_dbdc_set, "%lld\n"); +static int +mt7915_fw_debug_set(void *data, u64 val) +{ + struct mt7915_dev *dev = data; + enum { + DEBUG_TXCMD = 62, + DEBUG_CMD_RPT_TX, + DEBUG_CMD_RPT_TRIG, + DEBUG_SPL, + DEBUG_RPT_RX, + } debug; + + dev->fw_debug = !!val; + + mt7915_mcu_fw_log_2_host(dev, dev->fw_debug ? 2 : 0); + + for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++) + mt7915_mcu_fw_dbg_ctrl(dev, debug, dev->fw_debug); + + return 0; +} + +static int +mt7915_fw_debug_get(void *data, u64 *val) +{ + struct mt7915_dev *dev = data; + + *val = dev->fw_debug; + + return 0; +} + +DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7915_fw_debug_get, + mt7915_fw_debug_set, "%lld\n"); + static void mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy, struct seq_file *file) @@ -290,6 +325,7 @@ int mt7915_init_debugfs(struct mt7915_dev *dev) mt7915_queues_acq); debugfs_create_file("tx_stats", 0400, dir, dev, &fops_tx_stats); debugfs_create_file("dbdc", 0600, dir, dev, &fops_dbdc); + debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug); debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern); /* test knobs */ debugfs_create_file("radar_trigger", 0200, dir, dev, diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 32bd9e2c73e3..a93c84ff709b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -502,6 +502,28 @@ mt7915_mcu_tx_rate_report(struct mt7915_dev *dev, struct sk_buff *skb) } } +static void +mt7915_mcu_rx_log_message(struct mt7915_dev *dev, struct sk_buff *skb) +{ + struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data; + const char *data = (char *)&rxd[1]; + const char *type; + + switch (rxd->s2d_index) { + case 0: + type = "WM"; + break; + case 2: + type = "WA"; + break; + default: + type = "unknown"; + break; + } + + wiphy_info(mt76_hw(dev)->wiphy, "%s: %s", type, data); +} + static void mt7915_mcu_rx_ext_event(struct mt7915_dev *dev, struct sk_buff *skb) { @@ -519,6 +541,9 @@ mt7915_mcu_rx_ext_event(struct mt7915_dev *dev, struct sk_buff *skb) case MCU_EXT_EVENT_RATE_REPORT: mt7915_mcu_tx_rate_report(dev, skb); break; + case MCU_EXT_EVENT_FW_LOG_2_HOST: + mt7915_mcu_rx_log_message(dev, skb); + break; default: break; } @@ -544,6 +569,7 @@ void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb) struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data; if (rxd->ext_eid == MCU_EXT_EVENT_THERMAL_PROTECT || + rxd->ext_eid == MCU_EXT_EVENT_FW_LOG_2_HOST || rxd->ext_eid == MCU_EXT_EVENT_ASSERT_DUMP || rxd->ext_eid == MCU_EXT_EVENT_PS_SYNC || rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT || @@ -2271,6 +2297,37 @@ static int mt7915_load_firmware(struct mt7915_dev *dev) return 0; } +int mt7915_mcu_fw_log_2_host(struct mt7915_dev *dev, u8 ctrl) +{ + struct { + u8 ctrl_val; + u8 pad[3]; + } data = { + .ctrl_val = ctrl + }; + + return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_FW_LOG_2_HOST, + &data, sizeof(data), true); +} + +int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 module, u8 level) +{ + struct { + u8 ver; + u8 pad; + u16 len; + u8 level; + u8 rsv[3]; + u32 module_idx; + } data = { + .module_idx = cpu_to_le32(module), + .level = level, + }; + + return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_FW_DBG_CTRL, + &data, sizeof(data), false); +} + int mt7915_mcu_init(struct mt7915_dev *dev) { static const struct mt76_mcu_ops mt7915_mcu_ops = { @@ -2292,6 +2349,7 @@ int mt7915_mcu_init(struct mt7915_dev *dev) return ret; set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); + mt7915_mcu_fw_log_2_host(dev, 0); return 0; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h index b8d28d971974..f68d2094ac6f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h @@ -38,6 +38,7 @@ enum { /* ext event table */ enum { MCU_EXT_EVENT_PS_SYNC = 0x5, + MCU_EXT_EVENT_FW_LOG_2_HOST = 0x13, MCU_EXT_EVENT_THERMAL_PROTECT = 0x22, MCU_EXT_EVENT_ASSERT_DUMP = 0x23, MCU_EXT_EVENT_RDD_REPORT = 0x3a, @@ -192,6 +193,7 @@ enum { MCU_EXT_CMD_EFUSE_ACCESS = 0x01, MCU_EXT_CMD_PM_STATE_CTRL = 0x07, MCU_EXT_CMD_CHANNEL_SWITCH = 0x08, + MCU_EXT_CMD_FW_LOG_2_HOST = 0x13, MCU_EXT_CMD_EFUSE_BUFFER_MODE = 0x21, MCU_EXT_CMD_STA_REC_UPDATE = 0x25, MCU_EXT_CMD_BSS_INFO_UPDATE = 0x26, @@ -207,6 +209,7 @@ enum { MCU_EXT_CMD_SET_SER_TRIGGER = 0x81, MCU_EXT_CMD_SCS_CTRL = 0x82, MCU_EXT_CMD_RATE_CTRL = 0x87, + MCU_EXT_CMD_FW_DBG_CTRL = 0x95, MCU_EXT_CMD_SET_RDD_TH = 0x9d, }; diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h index e5821d144c85..43c956bc09f5 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h @@ -324,6 +324,8 @@ int mt7915_mcu_get_rate_info(struct mt7915_dev *dev, u32 cmd, u16 wlan_idx); int mt7915_mcu_get_temperature(struct mt7915_dev *dev, int index); int mt7915_mcu_rdd_cmd(struct mt7915_dev *dev, enum mt7915_rdd_cmd cmd, u8 index, u8 rx_sel, u8 val); +int mt7915_mcu_fw_log_2_host(struct mt7915_dev *dev, u8 ctrl); +int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 module, u8 level); void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb); void mt7915_mcu_exit(struct mt7915_dev *dev);