From patchwork Thu Aug 5 10:02:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joseph Hwang X-Patchwork-Id: 492357 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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 71F0BC4338F for ; Thu, 5 Aug 2021 10:03:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5702D60EB9 for ; Thu, 5 Aug 2021 10:03:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239879AbhHEKDb (ORCPT ); Thu, 5 Aug 2021 06:03:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37148 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240087AbhHEKD0 (ORCPT ); Thu, 5 Aug 2021 06:03:26 -0400 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 206AAC0613C1 for ; Thu, 5 Aug 2021 03:03:12 -0700 (PDT) Received: by mail-pj1-x1031.google.com with SMTP id t7-20020a17090a5d87b029017807007f23so10274186pji.5 for ; Thu, 05 Aug 2021 03:03:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=+uuijVLjMI307rqAOU9lNs1XGhdhuoUjU3iANzQVkPI=; b=KrZKjuuzXJGLk/Bv0kDC0DXmgCwo2yOeRG4zHVvP0Ng9bAXSrPSb7JR+q+pVvBOrbb sbjIRIMLgycpqntOa3MrY0pG4/riFy1l6cWjfuRgBeDKrt3xGFGzTXfF3fXXkX0TquP9 LKc76ZIbnzfgxIRnIulJEjiGwVIqJ7ZdKYxto= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=+uuijVLjMI307rqAOU9lNs1XGhdhuoUjU3iANzQVkPI=; b=pvLZsUXap+TZDHplSO40wFUvvCEeW+ZXDUmSIjZWOmlw/M1m9XdlvAG97Ha7K4mTxB n5wj4zYJbMPPgVnpObA+UF6HCAKTDx3o8ArXPBw11ru/iEfV8YwElFqVF/LCV7KnKYAC auvj9Th2VUhcJ8uP+bAQaZm8Fg3c29xnb7QlZ6fp6XMDPdqvUHp6sypXuoApyJWOSsy1 M5dkDr23gJI5ZLkxR2JvOp8Qp+GO1LXu2LhzSMi645G+U4ibzcIzWVViIBWTnuf82vcr VE1eAGbAjwZENXOW++VnhN0mocFUnK+iNd58BoPt1Sn37RXAv+ukRAN6nMg9PCSBmkDb 3J2Q== X-Gm-Message-State: AOAM533oE2xWIoFJ4FhEByCXPKD1HoGOKWyZlQe+LGcDG4VNDL+qZKIL FQ4zhzBSN6z6xWPhrTfbiOQe3K/bRCLpoA== X-Google-Smtp-Source: ABdhPJxSJOo7Hr5FpybwtLkJQkAd34wwRxE8ygYfOwSckTvNLxiFwcyF2eDypPXl2TAIqI4hRW9fMQ== X-Received: by 2002:a65:6919:: with SMTP id s25mr2455377pgq.2.1628157791429; Thu, 05 Aug 2021 03:03:11 -0700 (PDT) Received: from josephsih-z840.tpe.corp.google.com ([2401:fa00:1:10:2c18:41ac:c6a8:ddfe]) by smtp.gmail.com with ESMTPSA id jz24sm5436194pjb.9.2021.08.05.03.03.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Aug 2021 03:03:11 -0700 (PDT) From: Joseph Hwang To: linux-bluetooth@vger.kernel.org, marcel@holtmann.org, luiz.dentz@gmail.com, pali@kernel.org Cc: josephsih@google.com, chromeos-bluetooth-upstreaming@chromium.org, Joseph Hwang , Miao-chen Chou , Johan Hedberg , linux-kernel@vger.kernel.org Subject: [PATCH v6 3/4] Bluetooth: set quality report callback for Intel Date: Thu, 5 Aug 2021 18:02:59 +0800 Message-Id: <20210805180227.v6.3.I50ffa4cd0b3ab11669ff2541fc719fee00b4e244@changeid> X-Mailer: git-send-email 2.32.0.554.ge1b32706d8-goog In-Reply-To: <20210805180227.v6.1.I41aec59e65ffd3226d368dabeb084af13cc133c8@changeid> References: <20210805180227.v6.1.I41aec59e65ffd3226d368dabeb084af13cc133c8@changeid> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org This patch sets up set_quality_report callback for Intel to set and reset the debug features. Reviewed-by: Miao-chen Chou Signed-off-by: Joseph Hwang --- (no changes since v5) Changes in v5: - Removed CONFIG_BT_FEATURE_QUALITY_REPORT since there was no large size impact. drivers/bluetooth/btintel.c | 73 ++++++++++++++++++++++++++++++++++++- drivers/bluetooth/btintel.h | 9 +++++ drivers/bluetooth/btusb.c | 8 ++++ 3 files changed, 89 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c index fd21ddb76928..28ca51227453 100644 --- a/drivers/bluetooth/btintel.c +++ b/drivers/bluetooth/btintel.c @@ -1254,8 +1254,10 @@ int btintel_set_debug_features(struct hci_dev *hdev, u8 trace_enable = 0x02; struct sk_buff *skb; - if (!features) + if (!features) { + bt_dev_warn(hdev, "Debug features not read"); return -EINVAL; + } if (!(features->page1[0] & 0x3f)) { bt_dev_info(hdev, "Telemetry exception format not supported"); @@ -1286,10 +1288,79 @@ int btintel_set_debug_features(struct hci_dev *hdev, } kfree_skb(skb); + bt_dev_info(hdev, "set debug features: trace_enable 0x%02x mask 0x%02x", + trace_enable, mask[3]); + return 0; } EXPORT_SYMBOL_GPL(btintel_set_debug_features); +int btintel_reset_debug_features(struct hci_dev *hdev, + const struct intel_debug_features *features) +{ + u8 mask[11] = { 0x0a, 0x92, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00 }; + u8 trace_enable = 0x00; + struct sk_buff *skb; + + if (!features) { + bt_dev_warn(hdev, "Debug features not read"); + return -EINVAL; + } + + if (!(features->page1[0] & 0x3f)) { + bt_dev_info(hdev, "Telemetry exception format not supported"); + return 0; + } + + /* Should stop the trace before writing ddc event mask. */ + skb = __hci_cmd_sync(hdev, 0xfca1, 1, &trace_enable, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + bt_dev_err(hdev, "Stop tracing of link statistics events failed (%ld)", + PTR_ERR(skb)); + return PTR_ERR(skb); + } + kfree_skb(skb); + + skb = __hci_cmd_sync(hdev, 0xfc8b, 11, mask, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + bt_dev_err(hdev, "Setting Intel telemetry ddc write event mask failed (%ld)", + PTR_ERR(skb)); + return PTR_ERR(skb); + } + kfree_skb(skb); + + bt_dev_info(hdev, "reset debug features: trace_enable 0x%02x mask 0x%02x", + trace_enable, mask[3]); + + return 0; +} +EXPORT_SYMBOL_GPL(btintel_reset_debug_features); + +int btintel_set_quality_report(struct hci_dev *hdev, bool enable) +{ + struct intel_debug_features features; + int err; + + bt_dev_dbg(hdev, "enable %d", enable); + + /* Read the Intel supported features and if new exception formats + * supported, need to load the additional DDC config to enable. + */ + err = btintel_read_debug_features(hdev, &features); + if (err) + return err; + + /* Set or reset the debug features. */ + if (enable) + err = btintel_set_debug_features(hdev, &features); + else + err = btintel_reset_debug_features(hdev, &features); + + return err; +} +EXPORT_SYMBOL_GPL(btintel_set_quality_report); + MODULE_AUTHOR("Marcel Holtmann "); MODULE_DESCRIPTION("Bluetooth support for Intel devices ver " VERSION); MODULE_VERSION(VERSION); diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h index d184064a5e7c..0926b8196021 100644 --- a/drivers/bluetooth/btintel.h +++ b/drivers/bluetooth/btintel.h @@ -175,6 +175,9 @@ int btintel_read_debug_features(struct hci_dev *hdev, struct intel_debug_features *features); int btintel_set_debug_features(struct hci_dev *hdev, const struct intel_debug_features *features); +int btintel_reset_debug_features(struct hci_dev *hdev, + const struct intel_debug_features *features); +int btintel_set_quality_report(struct hci_dev *hdev, bool enable); #else static inline int btintel_check_bdaddr(struct hci_dev *hdev) @@ -307,4 +310,10 @@ static inline int btintel_set_debug_features(struct hci_dev *hdev, return -EOPNOTSUPP; } +static inline int btintel_reset_debug_features(struct hci_dev *hdev, + const struct intel_debug_features *features) +{ + return -EOPNOTSUPP; +} + #endif diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 30462de288c7..a7a57fe5d872 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2923,6 +2923,9 @@ static int btusb_setup_intel_new(struct hci_dev *hdev) btintel_load_ddc_config(hdev, ddcname); } + hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT); + bt_dev_dbg(hdev, "HCI_QUALITY_REPORT cleared"); + /* Read the Intel version information after loading the FW */ err = btintel_read_version(hdev, &ver); if (err) @@ -3010,6 +3013,9 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev) */ btintel_load_ddc_config(hdev, ddcname); + hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT); + bt_dev_dbg(hdev, "HCI_QUALITY_REPORT cleared"); + /* Read the Intel version information after loading the FW */ err = btintel_read_version_tlv(hdev, &version); if (err) @@ -4819,6 +4825,7 @@ static int btusb_probe(struct usb_interface *intf, hdev->set_diag = btintel_set_diag; hdev->set_bdaddr = btintel_set_bdaddr; hdev->cmd_timeout = btusb_intel_cmd_timeout; + hdev->set_quality_report = btintel_set_quality_report; set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); @@ -4833,6 +4840,7 @@ static int btusb_probe(struct usb_interface *intf, hdev->set_diag = btintel_set_diag; hdev->set_bdaddr = btintel_set_bdaddr; hdev->cmd_timeout = btusb_intel_cmd_timeout; + hdev->set_quality_report = btintel_set_quality_report; set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);