From patchwork Wed Sep 1 03:32:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?TWFyay1ZVyBDaGVuICjpmbPmj5rmlocp?= X-Patchwork-Id: 12468209 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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, 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 1B55AC432BE for ; Wed, 1 Sep 2021 03:42:08 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D2C60601FF for ; Wed, 1 Sep 2021 03:42:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org D2C60601FF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=+BRRWU1b8qoJyQRNIRysDpJC8BZwqvgl2ajzL5sat7k=; b=tO/eR3KNom8A+w xtGsLo8JfmYcH+RRx/mu6CAJpCodUAYV4rz0QrVAv4J2mIGp0vj9brTzN8reaf/P6wgOt1Oh/iIcC //1IlUs67XC4hD3WiMAqu5g1nVGLe/+wkIECBGp12EXek+60YxWDMYXfASbW+pePC/ETrzucO4K74 DcSa3Y6E1EfBHb97pLiktgbZ3aiODojLxuRk+ccMkE055l3fRqy7NwHIvmJCqqd94ctghzfkXqfB7 3TfZ51/GypqiszoIC4FJLy+lKghOfT+i5VZh27254tB09Sf8SkTdRP0RFiG0LmzBx0i0YBfwrp+eK KrNc1UfzVkba/Ldwx6Ew==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mLH8J-003gyF-S7; Wed, 01 Sep 2021 03:41:51 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mLH8E-003gxi-1d for linux-mediatek@lists.infradead.org; Wed, 01 Sep 2021 03:41:49 +0000 X-UUID: d9f37a30fa7c4a9d93fc11ea444c1e34-20210831 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=5f6Fdl0SJ0+Om1JDzEepeXOY68i3vsycaLIdaiv+yI0=; b=LzK4aff8a2n7AHYmy7+lKgiPw+rgUtl+D5oz/Y6DDtq/X05QjxRBrxr5mMvnlmXtWBdJqgb2nMtpkMp3XrFs4mrUFifhv0V0ok9z89LDnX24dscPsbdjK8yrZf5LYYuotR7n5ZBsTD82L3yk0Onz9MVPOCnWesu+S1OBCRmZYGs=; X-UUID: d9f37a30fa7c4a9d93fc11ea444c1e34-20210831 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1451205350; Tue, 31 Aug 2021 20:41:41 -0700 Received: from mtkexhb01.mediatek.inc (172.21.101.102) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 31 Aug 2021 20:32:38 -0700 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkexhb01.mediatek.inc (172.21.101.102) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 1 Sep 2021 11:32:36 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 1 Sep 2021 11:32:36 +0800 From: To: , CC: , , , , , , mark-yw.chen Subject: [PATCH v2 1/2] Bluetooth: btusb: Support public address configuration for MediaTek Chip. Date: Wed, 1 Sep 2021 11:32:25 +0800 Message-ID: <20210901033226.20693-1-mark-yw.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210831_204146_137812_BE86283E X-CRM114-Status: GOOD ( 11.08 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: "mark-yw.chen" The MediaTek chip support vendor specific HCI command(0xfc1a) to change the public address. Add hdev->set_bdaddr handler for MediaTek Chip. After doing a power cycle or MediaTek Bluetooth reset, BD_ADDR will bring back the original one. Signed-off-by: mark-yw.chen --- drivers/bluetooth/btusb.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 60d2fce59a71..41e7c9f28d82 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -2200,6 +2200,23 @@ struct btmtk_section_map { }; } __packed; +static int btusb_set_bdaddr_mtk(struct hci_dev *hdev, const bdaddr_t *bdaddr) +{ + struct sk_buff *skb; + long ret; + + skb = __hci_cmd_sync(hdev, 0xfc1a, sizeof(bdaddr), bdaddr, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + ret = PTR_ERR(skb); + bt_dev_err(hdev, "changing Mediatek device address failed (%ld)", + ret); + return ret; + } + kfree_skb(skb); + + return 0; +} + static void btusb_mtk_wmt_recv(struct urb *urb) { struct hci_dev *hdev = urb->context; @@ -3819,6 +3836,7 @@ static int btusb_probe(struct usb_interface *intf, hdev->shutdown = btusb_mtk_shutdown; hdev->manufacturer = 70; hdev->cmd_timeout = btusb_mtk_cmd_timeout; + hdev->set_bdaddr = btusb_set_bdaddr_mtk; set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); data->recv_acl = btusb_recv_acl_mtk; }