From patchwork Tue Jun 8 12:24:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kiran K X-Patchwork-Id: 456999 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 29797C47082 for ; Tue, 8 Jun 2021 12:20:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 14DD161351 for ; Tue, 8 Jun 2021 12:20:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232546AbhFHMWv (ORCPT ); Tue, 8 Jun 2021 08:22:51 -0400 Received: from mga04.intel.com ([192.55.52.120]:22782 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232539AbhFHMWu (ORCPT ); Tue, 8 Jun 2021 08:22:50 -0400 IronPort-SDR: EToPOjGBRrRqBRzoVkG/TIS+MIuC+5nUitSeIIXNH/LKbDc/9v6B2ze9+Rx2cFSVcB763ZhCnP 0B4I2GxEXzJA== X-IronPort-AV: E=McAfee;i="6200,9189,10008"; a="202973562" X-IronPort-AV: E=Sophos;i="5.83,258,1616482800"; d="scan'208";a="202973562" 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 05:20:58 -0700 IronPort-SDR: Xvzt/NP+85A3zAeIo+IxFBIrQyePvZpTk28xbc79NjzoNLNEE0FS2TYy2jg9ZdZvU6XrplmjyS 9qjtsP/DR6Fg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,258,1616482800"; d="scan'208";a="619283484" 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 05:20:56 -0700 From: Kiran K To: linux-bluetooth@vger.kernel.org Cc: Kiran K Subject: [PATCH v9 07/10] Bluetooth: btintel: define callback to set data path Date: Tue, 8 Jun 2021 17:54:52 +0530 Message-Id: <20210608122455.19583-7-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 Adds callback function which is called to set the data path for HFP offload case before opening SCO connection Signed-off-by: Kiran K Reviewed-by: Chethan T N Reviewed-by: Srivatsa Ravishankar --- drivers/bluetooth/btintel.c | 50 +++++++++++++++++++++++++++++++++++++ drivers/bluetooth/btintel.h | 8 ++++++ drivers/bluetooth/btusb.c | 4 ++- include/net/bluetooth/hci.h | 8 ++++++ 4 files changed, 69 insertions(+), 1 deletion(-) diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c index 95c6a1bef35e..3eba5c587ef6 100644 --- a/drivers/bluetooth/btintel.c +++ b/drivers/bluetooth/btintel.c @@ -1308,6 +1308,56 @@ int btintel_read_offload_usecases(struct hci_dev *hdev, } EXPORT_SYMBOL_GPL(btintel_read_offload_usecases); +int btintel_set_data_path(struct hci_dev *hdev, __u8 type, + struct bt_codec *codec) +{ + __u8 preset; + struct hci_op_configure_data_path *cmd; + __u8 buffer[255]; + struct sk_buff *skb; + + if (type != SCO_LINK && type != ESCO_LINK) + return -EINVAL; + + switch (codec->id) { + case 0x02: + preset = 0x00; + break; + case 0x05: + preset = 0x01; + break; + default: + return -EINVAL; + } + + cmd = (void *)buffer; + cmd->data_path_id = 0x01; + cmd->len = 1; + cmd->data[0] = preset; + + cmd->direction = 0x00; + skb = __hci_cmd_sync(hdev, HCI_CONFIGURE_DATA_PATH, sizeof(*cmd) + 1, + cmd, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + bt_dev_err(hdev, "configure input data path failed (%ld)", + PTR_ERR(skb)); + return PTR_ERR(skb); + } + kfree_skb(skb); + + cmd->direction = 0x01; + skb = __hci_cmd_sync(hdev, HCI_CONFIGURE_DATA_PATH, sizeof(*cmd) + 1, + cmd, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + bt_dev_err(hdev, "configure output data path failed (%ld)", + PTR_ERR(skb)); + return PTR_ERR(skb); + } + kfree_skb(skb); + return 0; +} +EXPORT_SYMBOL_GPL(btintel_set_data_path); + 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 9bcc489680db..9806970c9871 100644 --- a/drivers/bluetooth/btintel.h +++ b/drivers/bluetooth/btintel.h @@ -183,6 +183,8 @@ int btintel_set_debug_features(struct hci_dev *hdev, int btintel_read_offload_usecases(struct hci_dev *hdev, struct intel_offload_usecases *usecases); int btintel_get_data_path(struct hci_dev *hdev); +int btintel_set_data_path(struct hci_dev *hdev, __u8 type, + struct bt_codec *codec); #else static inline int btintel_check_bdaddr(struct hci_dev *hdev) @@ -325,4 +327,10 @@ static int btintel_get_data_path(struct hci_dev *hdev) { return -EOPNOTSUPP; } + +static int btintel_set_data_path(struct hci_dev *hdev, __u8 type, + struct bt_codec *codec) +{ + return -EOPNOTSUPP; +} #endif diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 1e51beec5776..afafa44752a1 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -3012,8 +3012,10 @@ static int btusb_setup_intel_newgen(struct hci_dev *hdev) err = btintel_read_offload_usecases(hdev, &usecases); if (!err) { /* set get_data_path callback if offload is supported */ - if (usecases.preset[0] & 0x03) + if (usecases.preset[0] & 0x03) { hdev->get_data_path = btintel_get_data_path; + hdev->set_data_path = btintel_set_data_path; + } } /* Read the Intel version information after loading the FW */ diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 31a5ac8918fc..42963188dcea 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -1250,6 +1250,14 @@ struct hci_rp_read_local_oob_ext_data { __u8 rand256[16]; } __packed; +#define HCI_CONFIGURE_DATA_PATH 0x0c83 +struct hci_op_configure_data_path { + __u8 direction; + __u8 data_path_id; + __u8 len; + __u8 data[]; +} __packed; + #define HCI_OP_READ_LOCAL_VERSION 0x1001 struct hci_rp_read_local_version { __u8 status;