From patchwork Tue Jul 27 08:47:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "K, Kiran" X-Patchwork-Id: 12402147 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=-16.7 required=3.0 tests=BAYES_00, 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 A1B31C432BE for ; Tue, 27 Jul 2021 08:42:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8B881611BF for ; Tue, 27 Jul 2021 08:42:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235954AbhG0Im4 (ORCPT ); Tue, 27 Jul 2021 04:42:56 -0400 Received: from mga17.intel.com ([192.55.52.151]:2131 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235933AbhG0Imz (ORCPT ); Tue, 27 Jul 2021 04:42:55 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10057"; a="192677085" X-IronPort-AV: E=Sophos;i="5.84,272,1620716400"; d="scan'208";a="192677085" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jul 2021 01:42:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,272,1620716400"; d="scan'208";a="662541267" Received: from intel-lenovo-legion-y540-15irh-pg0.iind.intel.com ([10.224.186.95]) by fmsmga006.fm.intel.com with ESMTP; 27 Jul 2021 01:42:54 -0700 From: Kiran K To: linux-bluetooth@vger.kernel.org Cc: ravishankar.srivatsa@intel.com, chethan.tumkur.narayan@intel.com, Kiran K Subject: [PATCH v11 03/10] Bluetooth: btintel: Read supported offload usecases Date: Tue, 27 Jul 2021 14:17:06 +0530 Message-Id: <20210727084713.23038-3-kiran.k@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210727084713.23038-1-kiran.k@intel.com> References: <20210727084713.23038-1-kiran.k@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Read offload usecases supported by controller. Signed-off-by: Kiran K Reviewed-by: Chethan T N Reviewed-by: Srivatsa Ravishankar --- * changes in v11: - Remove Kconfig related changes * changes in v10: - restructure patch to have definition and call of callaback in the same patch * changes in v9: - define a separate patch for core changes drivers/bluetooth/btintel.c | 30 ++++++++++++++++++++++++++++++ drivers/bluetooth/btintel.h | 10 ++++++++++ drivers/bluetooth/btusb.c | 3 +++ 3 files changed, 43 insertions(+) diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c index e44b6993cf91..a6b81914766e 100644 --- a/drivers/bluetooth/btintel.c +++ b/drivers/bluetooth/btintel.c @@ -1272,6 +1272,36 @@ int btintel_set_debug_features(struct hci_dev *hdev, } EXPORT_SYMBOL_GPL(btintel_set_debug_features); +int btintel_configure_offload_usecases(struct hci_dev *hdev) +{ + struct sk_buff *skb; + int err = 0; + struct intel_offload_usecases *usecases; + + skb = __hci_cmd_sync(hdev, 0xfc86, 0, NULL, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + bt_dev_err(hdev, "Reading offload usecases failed (%ld)", + PTR_ERR(skb)); + return PTR_ERR(skb); + } + + if (skb->len < sizeof(*usecases)) { + err = -EIO; + goto error; + } + + usecases = (void *)skb->data; + + if (usecases->status) { + err = -bt_to_errno(skb->data[0]); + goto error; + } +error: + kfree_skb(skb); + return err; +} +EXPORT_SYMBOL_GPL(btintel_configure_offload_usecases); + 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..45ca5c4ccf37 100644 --- a/drivers/bluetooth/btintel.h +++ b/drivers/bluetooth/btintel.h @@ -132,6 +132,11 @@ struct intel_debug_features { __u8 page1[16]; } __packed; +struct intel_offload_usecases { + __u8 status; + __u8 preset[8]; +} __packed; + #define INTEL_HW_PLATFORM(cnvx_bt) ((u8)(((cnvx_bt) & 0x0000ff00) >> 8)) #define INTEL_HW_VARIANT(cnvx_bt) ((u8)(((cnvx_bt) & 0x003f0000) >> 16)) #define INTEL_CNVX_TOP_TYPE(cnvx_top) ((cnvx_top) & 0x00000fff) @@ -175,6 +180,7 @@ 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_configure_offload_usecases(struct hci_dev *hdev); #else static inline int btintel_check_bdaddr(struct hci_dev *hdev) @@ -307,4 +313,8 @@ static inline int btintel_set_debug_features(struct hci_dev *hdev, return -EOPNOTSUPP; } +static int btintel_configure_offload_usecases(struct hci_dev *hdev) +{ + return -EOPNOTSUPP; +} #endif diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 1876a960b3dc..0ff8d1288929 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -3023,6 +3023,9 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev) btintel_set_debug_features(hdev, &features); } + /* Read supported usecases and set callbacks to fetch datapath id */ + btintel_configure_offload_usecases(hdev); + /* Read the Intel version information after loading the FW */ err = btintel_read_version_tlv(hdev, &version); if (err)