From patchwork Tue Jun 8 12:24:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "K, Kiran" X-Patchwork-Id: 12306697 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=-16.8 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 0E6ABC4743D for ; Tue, 8 Jun 2021 12:20:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EC49B61359 for ; Tue, 8 Jun 2021 12:20:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232541AbhFHMWq (ORCPT ); Tue, 8 Jun 2021 08:22:46 -0400 Received: from mga04.intel.com ([192.55.52.120]:22776 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232539AbhFHMWq (ORCPT ); Tue, 8 Jun 2021 08:22:46 -0400 IronPort-SDR: zmNMonpd4lLnFJ1GxX6nJgqUCaQAx2DgwCo1woVyFXlXHwKwsX7OhL8L/cwQriuKnWGHMndS0p CXgMwyhAoiWA== X-IronPort-AV: E=McAfee;i="6200,9189,10008"; a="202973553" X-IronPort-AV: E=Sophos;i="5.83,258,1616482800"; d="scan'208";a="202973553" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jun 2021 05:20:53 -0700 IronPort-SDR: CYUJd/pgLhFnOsvxa/uwC+8CO7T94dpUjtAblJnZ/D9GKckzBJM3MGstQLAt49+H/M6lSbGotu fSzeYtyk6wcw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,258,1616482800"; d="scan'208";a="619283449" Received: from intel-lenovo-legion-y540-15irh-pg0.iind.intel.com ([10.224.186.95]) by orsmga005.jf.intel.com with ESMTP; 08 Jun 2021 05:20:52 -0700 From: Kiran K To: linux-bluetooth@vger.kernel.org Cc: Kiran K Subject: [PATCH v9 04/10] Bluetooth: btintel: set get_data_path callback Date: Tue, 8 Jun 2021 17:54:49 +0530 Message-Id: <20210608122455.19583-4-kiran.k@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210608122455.19583-1-kiran.k@intel.com> References: <20210608122455.19583-1-kiran.k@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Read supported offload usecases and set get_data_path callback if controller suppports offload codecs. Signed-off-by: Kiran K Reviewed-by: Chethan T N Reviewed-by: Srivatsa Ravishankar --- drivers/bluetooth/btintel.c | 36 ++++++++++++++++++++++++++++++++++++ drivers/bluetooth/btintel.h | 18 ++++++++++++++++++ drivers/bluetooth/btusb.c | 8 ++++++++ 3 files changed, 62 insertions(+) diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c index e44b6993cf91..95c6a1bef35e 100644 --- a/drivers/bluetooth/btintel.c +++ b/drivers/bluetooth/btintel.c @@ -1272,6 +1272,42 @@ int btintel_set_debug_features(struct hci_dev *hdev, } EXPORT_SYMBOL_GPL(btintel_set_debug_features); +int btintel_get_data_path(struct hci_dev *hdev) +{ + return 1; +} +EXPORT_SYMBOL_GPL(btintel_get_data_path); + +int btintel_read_offload_usecases(struct hci_dev *hdev, + struct intel_offload_usecases *usecases) +{ + struct sk_buff *skb; + int err = 0; + + 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; + } + + if (skb->data[0]) { + err = -bt_to_errno(skb->data[0]); + goto error; + } + + memcpy(usecases, skb->data, sizeof(*usecases)); +error: + kfree_skb(skb); + return err; +} +EXPORT_SYMBOL_GPL(btintel_read_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..9bcc489680db 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 +180,9 @@ 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_read_offload_usecases(struct hci_dev *hdev, + struct intel_offload_usecases *usecases); +int btintel_get_data_path(struct hci_dev *hdev); #else static inline int btintel_check_bdaddr(struct hci_dev *hdev) @@ -307,4 +315,14 @@ static inline int btintel_set_debug_features(struct hci_dev *hdev, return -EOPNOTSUPP; } +static int btintel_read_offload_usecases(struct hci_dev *hdev, + struct intel_offload_usecases *usecases) +{ + return -EOPNOTSUPP; +} + +static int btintel_get_data_path(struct hci_dev *hdev) +{ + return -EOPNOTSUPP; +} #endif diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index a9855a2dd561..1e51beec5776 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2952,6 +2952,7 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev) int err; struct intel_debug_features features; struct intel_version_tlv version; + struct intel_offload_usecases usecases; bt_dev_dbg(hdev, ""); @@ -3008,6 +3009,13 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev) /* Set DDC mask for available debug features */ btintel_set_debug_features(hdev, &features); + err = btintel_read_offload_usecases(hdev, &usecases); + if (!err) { + /* set get_data_path callback if offload is supported */ + if (usecases.preset[0] & 0x03) + hdev->get_data_path = btintel_get_data_path; + } + /* Read the Intel version information after loading the FW */ err = btintel_read_version_tlv(hdev, &version); if (err)