From patchwork Wed Apr 10 12:46:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 788026 Received: from mail-lf1-f42.google.com (mail-lf1-f42.google.com [209.85.167.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2104A174EE2 for ; Wed, 10 Apr 2024 12:47:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.42 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712753239; cv=none; b=jxdK26EUMK9cfPXVnIcq9rR3TD9qsBAte5XRfhDteWxHsMtVjOot9Uab7S3QFv082NLxKr2HuaBEXA3kUfd6YEdK9boDblXKGYtYWl+f8IOzl8/CKyOpGKcQHqw7x7PplN8bjlbQVE+n0MeCcm5Xnnh6l5uBnQuXQQOyEduMG1E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712753239; c=relaxed/simple; bh=Zu9qHogsjwwvS76RuRykV3Cyl3hZFd1eYZO5KYwA5Tk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=U7M7LhyPMrFR/B8Z1pZdRlUp4OipRS+T/XNfol7JGXExGqmmVUb3huOHlNX4ml1CWSzRjJHohKlCvLn+vlLydB48orGjuL6dI6qhMwOeafsO+UMgoCowUU7zmfkQ1PCqQgHm+JPgVzl3jKnTqKqVLI0K9DkIoDKB3fuHO3v1X/o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=bgdev.pl; spf=none smtp.mailfrom=bgdev.pl; dkim=pass (2048-bit key) header.d=bgdev-pl.20230601.gappssmtp.com header.i=@bgdev-pl.20230601.gappssmtp.com header.b=Tv20W+/b; arc=none smtp.client-ip=209.85.167.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=bgdev.pl Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bgdev.pl Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bgdev-pl.20230601.gappssmtp.com header.i=@bgdev-pl.20230601.gappssmtp.com header.b="Tv20W+/b" Received: by mail-lf1-f42.google.com with SMTP id 2adb3069b0e04-516db2214e6so5659966e87.1 for ; Wed, 10 Apr 2024 05:47:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20230601.gappssmtp.com; s=20230601; t=1712753233; x=1713358033; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=z6NUiX8vyJKElOCOKE+vXKfTmxYyyFPuN3p6ttUZMX0=; b=Tv20W+/bdTWpaQ8+SOwWRs2I7/NQhQSTMKI4Nb5iHwzf7XDNs3lV+V/SCR0YTo+Kv1 q4l/uSCicYBZAv1tl2NJ3xSo6LaLDAFf+VsETVnDeCTsV6t808s+pHsB0qqvI+VeNPbL /pGhvx5BoOokkFX5aXdSDM9f+EM8NXLmGWdev9yWI83VczS1Qe1wrzHH7mqDqBMNw3mC G0R3E0TL87gTKJME91tOVFt7KpF5bRtG9ipxxmCkTFtCQ7mq3qE87AkKCjA7WTF4De/b sZGiZwop6HFgwtVU/Kr8+X/0OQ+kxPP8FhJGhvE6gMo+wPyS4GbGJuuOvWUYBYEPWNvE Csaw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712753233; x=1713358033; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=z6NUiX8vyJKElOCOKE+vXKfTmxYyyFPuN3p6ttUZMX0=; b=TnM5lFJnJRa1MzfSAn+njXYsl2GDyECsfKCXkz2i5/zS6Wgi0gDGPMzt5nzrvrdR+L DH4TU4lN5myQIx/VGobqvc5uSeIy+KP9oiRggdjYcFfYciCV4GKb1aLdpQ7+YoFZqSub JWceDaX8o8yvJLE4rAoSIsAGCJVfi9uw7mr01jDkTh99zL7HN64LsLS0n07572vahoqy 5WHSY6ZANaPtrtzZJKrZkqrLcDKDeYO4vsdA2l+shOe8E7TiJgCZ68Sm/wGOnPfSXm4G LDIcVq+UU/OI0Up7dOyPMynQCJM0dWsye92YzxWARwyDhdIxlBhuUCanGRQArKB/i/ZL zrGg== X-Gm-Message-State: AOJu0YzfdgBg5UJ8JxHc0Z76ErTVvb7nIb5cIFhe4WEftOS3wZOoD5K4 Nplou6J+EsAfm2hPxx+UCZCu8tgsxiBEfmhS+nfTyKSo5/7TEyktYPcis/CFm9Q= X-Google-Smtp-Source: AGHT+IGfrJ7OaZz+PXCCgv0qoGYu9zPEdDb58BFa1E8ouRgU2iFIk8ebIdAkp2W60bcgcXxT6W6Flw== X-Received: by 2002:a19:6912:0:b0:513:d884:7aac with SMTP id e18-20020a196912000000b00513d8847aacmr1460918lfc.21.1712753232925; Wed, 10 Apr 2024 05:47:12 -0700 (PDT) Received: from brgl-uxlite.home ([2a01:cb1d:75a:e000:6908:7e99:35c9:d585]) by smtp.gmail.com with ESMTPSA id v13-20020a05600c444d00b0041663450a4asm2150929wmn.45.2024.04.10.05.47.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Apr 2024 05:47:12 -0700 (PDT) From: Bartosz Golaszewski To: Marcel Holtmann , Luiz Augusto von Dentz , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Kalle Valo , Bjorn Andersson , Konrad Dybcio , Liam Girdwood , Mark Brown , Catalin Marinas , Will Deacon , Bjorn Helgaas , Bartosz Golaszewski , Saravana Kannan , Geert Uytterhoeven , Arnd Bergmann , Neil Armstrong , Marek Szyprowski , Alex Elder , Srini Kandagatla , Greg Kroah-Hartman , Abel Vesa , Manivannan Sadhasivam , Lukas Wunner , Dmitry Baryshkov , Amit Pundir , Xilin Wu Cc: linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, linux-pm@vger.kernel.org, Bartosz Golaszewski Subject: [PATCH v7 15/16] Bluetooth: qca: use the power sequencer for QCA6390 Date: Wed, 10 Apr 2024 14:46:27 +0200 Message-Id: <20240410124628.171783-16-brgl@bgdev.pl> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240410124628.171783-1-brgl@bgdev.pl> References: <20240410124628.171783-1-brgl@bgdev.pl> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Bartosz Golaszewski Use the pwrseq subsystem's consumer API to run the power-up sequence for the Bluetooth module of the QCA6390 package. Signed-off-by: Bartosz Golaszewski --- drivers/bluetooth/hci_qca.c | 74 +++++++++++++++++++++++++++++-------- 1 file changed, 59 insertions(+), 15 deletions(-) diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 8a60ad7acd70..d31dcea650c1 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include #include @@ -215,6 +216,7 @@ struct qca_power { struct regulator_bulk_data *vreg_bulk; int num_vregs; bool vregs_on; + struct pwrseq_desc *pwrseq; }; struct qca_serdev { @@ -1682,6 +1684,27 @@ static bool qca_wakeup(struct hci_dev *hdev) return wakeup; } +static int qca_port_reopen(struct hci_uart *hu) +{ + int ret; + + /* Now the device is in ready state to communicate with host. + * To sync host with device we need to reopen port. + * Without this, we will have RTS and CTS synchronization + * issues. + */ + serdev_device_close(hu->serdev); + ret = serdev_device_open(hu->serdev); + if (ret) { + bt_dev_err(hu->hdev, "failed to open port"); + return ret; + } + + hci_uart_set_flow_control(hu, false); + + return 0; +} + static int qca_regulator_init(struct hci_uart *hu) { enum qca_btsoc_type soc_type = qca_soc_type(hu); @@ -1750,21 +1773,7 @@ static int qca_regulator_init(struct hci_uart *hu) break; } - /* Now the device is in ready state to communicate with host. - * To sync host with device we need to reopen port. - * Without this, we will have RTS and CTS synchronization - * issues. - */ - serdev_device_close(hu->serdev); - ret = serdev_device_open(hu->serdev); - if (ret) { - bt_dev_err(hu->hdev, "failed to open port"); - return ret; - } - - hci_uart_set_flow_control(hu, false); - - return 0; + return qca_port_reopen(hu); } static int qca_power_on(struct hci_dev *hdev) @@ -1792,6 +1801,17 @@ static int qca_power_on(struct hci_dev *hdev) ret = qca_regulator_init(hu); break; + case QCA_QCA6390: + qcadev = serdev_device_get_drvdata(hu->serdev); + ret = pwrseq_power_on(qcadev->bt_power->pwrseq); + if (ret) + return ret; + + ret = qca_port_reopen(hu); + if (ret) + return ret; + break; + default: qcadev = serdev_device_get_drvdata(hu->serdev); if (qcadev->bt_en) { @@ -2170,6 +2190,10 @@ static void qca_power_shutdown(struct hci_uart *hu) } break; + case QCA_QCA6390: + pwrseq_power_off(qcadev->bt_power->pwrseq); + break; + default: gpiod_set_value_cansleep(qcadev->bt_en, 0); } @@ -2308,12 +2332,25 @@ static int qca_serdev_probe(struct serdev_device *serdev) case QCA_WCN6750: case QCA_WCN6855: case QCA_WCN7850: + case QCA_QCA6390: qcadev->bt_power = devm_kzalloc(&serdev->dev, sizeof(struct qca_power), GFP_KERNEL); if (!qcadev->bt_power) return -ENOMEM; + break; + default: + break; + } + switch (qcadev->btsoc_type) { + case QCA_WCN3988: + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: + case QCA_WCN6750: + case QCA_WCN6855: + case QCA_WCN7850: qcadev->bt_power->dev = &serdev->dev; err = qca_init_regulators(qcadev->bt_power, data->vregs, data->num_vregs); @@ -2354,6 +2391,13 @@ static int qca_serdev_probe(struct serdev_device *serdev) } break; + case QCA_QCA6390: + qcadev->bt_power->pwrseq = devm_pwrseq_get(&serdev->dev, + "bluetooth"); + if (IS_ERR(qcadev->bt_power->pwrseq)) + return PTR_ERR(qcadev->bt_power->pwrseq); + fallthrough; + default: qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable", GPIOD_OUT_LOW);