From patchwork Fri Dec 27 07:21:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rocky Liao X-Patchwork-Id: 11311005 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DDCDA13A4 for ; Fri, 27 Dec 2019 07:21:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BAAAE20882 for ; Fri, 27 Dec 2019 07:21:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="B47wF211" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726297AbfL0HVh (ORCPT ); Fri, 27 Dec 2019 02:21:37 -0500 Received: from mail25.static.mailgun.info ([104.130.122.25]:10128 "EHLO mail25.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726156AbfL0HVh (ORCPT ); Fri, 27 Dec 2019 02:21:37 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1577431296; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=A2jsIFXvFMfDyC936Lc79MVOFvFnEYM7lWoKIAdnDVA=; b=B47wF211oDYiOKWgxsjSrjemk4+vFrG4AXwIlzj2pqlCJk7niJc4XMD7XbmxjWyjEePg10Ie APJY5ynjvOLP8BD2OLwj90FCFfpOM2TuJARAJIrfMAqZGe+M2arNI9CG+NNJxiLveWYHo4vm B7yE9Dxn9MTFAzkrKWuE9WzDzL8= X-Mailgun-Sending-Ip: 104.130.122.25 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e05b100.7f7ef19de378-smtp-out-n01; Fri, 27 Dec 2019 07:21:36 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 1C62FC43383; Fri, 27 Dec 2019 07:21:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from rocky-Inspiron-7590.qca.qualcomm.com (unknown [180.166.53.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: rjliao) by smtp.codeaurora.org (Postfix) with ESMTPSA id 8F596C433CB; Fri, 27 Dec 2019 07:21:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 8F596C433CB Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=rjliao@codeaurora.org From: Rocky Liao To: marcel@holtmann.org, johan.hedberg@gmail.com Cc: linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-arm-msm@vger.kernel.org, Rocky Liao Subject: [PATCH v3 1/4] Bluetooth: hci_qca: Add QCA Rome power off support to the qca_power_off() Date: Fri, 27 Dec 2019 15:21:27 +0800 Message-Id: <20191227072130.29431-1-rjliao@codeaurora.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191225060317.5258-1-rjliao@codeaurora.org> References: <20191225060317.5258-1-rjliao@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org We will need to call the qca_power_off() API to power off Rome, add the support into it. QCA Rome is using bt_en GPIO for power off, so we just need to pull down this bt_en GPIO to power off it. Signed-off-by: Rocky Liao --- Changes in v2: None Changes in v3: None drivers/bluetooth/hci_qca.c | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index b602ed01505b..43fd84028786 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -1413,13 +1413,26 @@ static void qca_power_shutdown(struct hci_uart *hu) static int qca_power_off(struct hci_dev *hdev) { struct hci_uart *hu = hci_get_drvdata(hdev); + struct qca_serdev *qcadev; + enum qca_btsoc_type soc_type = qca_soc_type(hu); + + if (qca_is_wcn399x(soc_type)) { + /* Perform pre shutdown command */ + qca_send_pre_shutdown_cmd(hdev); + + usleep_range(8000, 10000); - /* Perform pre shutdown command */ - qca_send_pre_shutdown_cmd(hdev); + qca_power_shutdown(hu); + } else { + if (hu->serdev) { + qcadev = serdev_device_get_drvdata(hu->serdev); + + gpiod_set_value_cansleep(qcadev->bt_en, 0); - usleep_range(8000, 10000); + usleep_range(8000, 10000); + } + } - qca_power_shutdown(hu); return 0; }