From patchwork Mon Jan 13 04:30:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rocky Liao X-Patchwork-Id: 11329569 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 3006A1398 for ; Mon, 13 Jan 2020 04:32:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0DDEB2187F for ; Mon, 13 Jan 2020 04:32:19 +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="pDUOe1TQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387608AbgAMEcT (ORCPT ); Sun, 12 Jan 2020 23:32:19 -0500 Received: from mail25.static.mailgun.info ([104.130.122.25]:56997 "EHLO mail25.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387503AbgAMEcT (ORCPT ); Sun, 12 Jan 2020 23:32:19 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1578889938; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=l7XrpfhhxOyRvikqVWgTDSMGNKmcEQJIF/TbImSjqFM=; b=pDUOe1TQBrKfEZ7m2qyoCth9lW1HodVzqsJPhPkvdYA9SkUVgXo+u+nZ7jzCdqOJdkRF8TA7 CvYXUgU1sVj2NYac9qqWxIBppho6MGwIcKP6ke6PqSBV0A/hA3DCmQk7FVfyXOzAooaQZsJu bAXa2LOO9pUv1acF3D2FwTSUbB4= 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 5e1bf2cd.7f61a5cfe378-smtp-out-n02; Mon, 13 Jan 2020 04:32:13 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id E28BAC433A2; Mon, 13 Jan 2020 04:32:12 +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 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 D52DAC433CB; Mon, 13 Jan 2020 04:32:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org D52DAC433CB 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: mka@chromium.org, linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-arm-msm@vger.kernel.org, Rocky Liao Subject: [PATCH v5] Bluetooth: hci_qca: Add qca_power_on() API to support both wcn399x and Rome power up Date: Mon, 13 Jan 2020 12:30:20 +0800 Message-Id: <20200113043020.9663-1-rjliao@codeaurora.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200107052601.32216-1-rjliao@codeaurora.org> References: <20200107052601.32216-1-rjliao@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This patch adds a unified API qca_power_on() to support both wcn399x and Rome power on. For wcn399x it calls the qca_wcn3990_init() to init the regulators, and for Rome it pulls up the bt_en GPIO to power up the btsoc. It also moves all the power up operation from hdev->open() to hdev->setup(). Signed-off-by: Rocky Liao Reviewed-by: Matthias Kaehlcke --- Changes in v2: None Changes in v3: -moved all the power up operation from open() to setup() -updated the commit message Changes in v4: -made a single call to qca_power_on() in setup() Changes in v5: -modified the debug log location drivers/bluetooth/hci_qca.c | 54 ++++++++++++++++++++++--------------- 1 file changed, 33 insertions(+), 21 deletions(-) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 82e4cd4b6663..992622dc1263 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -541,7 +541,6 @@ static int qca_open(struct hci_uart *hu) { struct qca_serdev *qcadev; struct qca_data *qca; - int ret; BT_DBG("hu %p qca_open", hu); @@ -582,23 +581,10 @@ static int qca_open(struct hci_uart *hu) hu->priv = qca; if (hu->serdev) { - qcadev = serdev_device_get_drvdata(hu->serdev); - if (!qca_is_wcn399x(qcadev->btsoc_type)) { - gpiod_set_value_cansleep(qcadev->bt_en, 1); - /* Controller needs time to bootup. */ - msleep(150); - } else { + if (qca_is_wcn399x(qcadev->btsoc_type)) { hu->init_speed = qcadev->init_speed; hu->oper_speed = qcadev->oper_speed; - ret = qca_regulator_enable(qcadev); - if (ret) { - destroy_workqueue(qca->workqueue); - kfree_skb(qca->rx_skb); - hu->priv = NULL; - kfree(qca); - return ret; - } } } @@ -1531,6 +1517,31 @@ static int qca_wcn3990_init(struct hci_uart *hu) return 0; } +static int qca_power_on(struct hci_dev *hdev) +{ + struct hci_uart *hu = hci_get_drvdata(hdev); + enum qca_btsoc_type soc_type = qca_soc_type(hu); + struct qca_serdev *qcadev; + int ret = 0; + + /* Non-serdev device usually is powered by external power + * and don't need additional action in driver for power on + */ + if (!hu->serdev) + return 0; + + if (qca_is_wcn399x(soc_type)) { + ret = qca_wcn3990_init(hu); + } else { + qcadev = serdev_device_get_drvdata(hu->serdev); + gpiod_set_value_cansleep(qcadev->bt_en, 1); + /* Controller needs time to bootup. */ + msleep(150); + } + + return ret; +} + static int qca_setup(struct hci_uart *hu) { struct hci_dev *hdev = hu->hdev; @@ -1553,24 +1564,25 @@ static int qca_setup(struct hci_uart *hu) */ set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); - if (qca_is_wcn399x(soc_type)) { - bt_dev_info(hdev, "setting up wcn3990"); + bt_dev_info(hdev, "setting up %s", + qca_is_wcn399x(soc_type) ? "wcn399x" : "ROME"); + ret = qca_power_on(hdev); + if (ret) + return ret; + + if (qca_is_wcn399x(soc_type)) { /* Enable NON_PERSISTENT_SETUP QUIRK to ensure to execute * setup for every hci up. */ set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks); hu->hdev->shutdown = qca_power_off; - ret = qca_wcn3990_init(hu); - if (ret) - return ret; ret = qca_read_soc_version(hdev, &soc_ver, soc_type); if (ret) return ret; } else { - bt_dev_info(hdev, "ROME setup"); qca_set_speed(hu, QCA_INIT_SPEED); }