From patchwork Fri Sep 3 10:58:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "K, Kiran" X-Patchwork-Id: 506640 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 150DEC433F5 for ; Fri, 3 Sep 2021 10:53:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F15E260698 for ; Fri, 3 Sep 2021 10:53:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349192AbhICKyG (ORCPT ); Fri, 3 Sep 2021 06:54:06 -0400 Received: from mga02.intel.com ([134.134.136.20]:35135 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349168AbhICKyF (ORCPT ); Fri, 3 Sep 2021 06:54:05 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10095"; a="206611711" X-IronPort-AV: E=Sophos;i="5.85,265,1624345200"; d="scan'208";a="206611711" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Sep 2021 03:53:05 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.85,265,1624345200"; d="scan'208";a="692090190" Received: from intel-lenovo-legion-y540-15irh-pg0.iind.intel.com ([10.224.186.95]) by fmsmga005.fm.intel.com with ESMTP; 03 Sep 2021 03:53:02 -0700 From: Kiran K To: linux-bluetooth@vger.kernel.org Cc: ravishankar.srivatsa@intel.com, chethan.tumkur.narayan@intel.com, tedd.an@intel.com, luiz.von.dentz@intel.com, Kiran K Subject: [PATCH v14 03/12] Bluetooth: btintel: Read supported offload use cases Date: Fri, 3 Sep 2021 16:28:04 +0530 Message-Id: <20210903105813.2440-3-kiran.k@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210903105813.2440-1-kiran.k@intel.com> References: <20210903105813.2440-1-kiran.k@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Read offload use cases supported by controller. Signed-off-by: Kiran K Reviewed-by: Chethan T N Reviewed-by: Srivatsa Ravishankar --- Notes: * changes in v14: - No changes * changes in v13: - No changes * changes in v12: - s/usecase/use_case/g * 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 | 32 ++++++++++++++++++++++++++++++++ drivers/bluetooth/btintel.h | 5 +++++ 2 files changed, 37 insertions(+) diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c index 7236f40b7a9c..60f9866c6792 100644 --- a/drivers/bluetooth/btintel.c +++ b/drivers/bluetooth/btintel.c @@ -2158,6 +2158,35 @@ static int btintel_prepare_fw_download_tlv(struct hci_dev *hdev, return err; } +static int btintel_configure_offload(struct hci_dev *hdev) +{ + struct sk_buff *skb; + int err = 0; + struct intel_offload_use_cases *use_cases; + + skb = __hci_cmd_sync(hdev, 0xfc86, 0, NULL, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + bt_dev_err(hdev, "Reading offload use cases failed (%ld)", + PTR_ERR(skb)); + return PTR_ERR(skb); + } + + if (skb->len < sizeof(*use_cases)) { + err = -EIO; + goto error; + } + + use_cases = (void *)skb->data; + + if (use_cases->status) { + err = -bt_to_errno(skb->data[0]); + goto error; + } +error: + kfree_skb(skb); + return err; +} + static int btintel_bootloader_setup_tlv(struct hci_dev *hdev, struct intel_version_tlv *ver) { @@ -2199,6 +2228,9 @@ static int btintel_bootloader_setup_tlv(struct hci_dev *hdev, */ btintel_load_ddc_config(hdev, ddcname); + /* Read supported use cases and set callbacks to fetch datapath id */ + btintel_configure_offload(hdev); + hci_dev_clear_flag(hdev, HCI_QUALITY_REPORT); /* Read the Intel version information after loading the FW */ diff --git a/drivers/bluetooth/btintel.h b/drivers/bluetooth/btintel.h index fe02cb9ac96c..e500c0d7a729 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_use_cases { + __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)