From mboxrd@z Thu Jan 1 00:00:00 1970 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=-8.7 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 0ECF6C04AB1 for ; Sun, 12 May 2019 03:19:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C8D3721019 for ; Sun, 12 May 2019 03:19:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="MR+xIRek"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="cEFxp6cD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726424AbfELDTW (ORCPT ); Sat, 11 May 2019 23:19:22 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:34212 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726104AbfELDTV (ORCPT ); Sat, 11 May 2019 23:19:21 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id B5D42607F4; Sun, 12 May 2019 03:19:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1557631159; bh=tmxQEOmvJjM/nDGQA1d/g0tOTi6yMATlFhpV/M7iJQM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MR+xIRek1S7KfeZA+ImdPQ629yFO+iZisUQYGP7ax3JtGUuOhS1CdBcQi4Mn+71wN fbAfsOl+V7bC8otTmoke9Sqq8Bk+rUpDFCXblHH50bBPvk2hyYXdCU3edqhbGTi6yJ c+lsvNjacDcPPhU4KDPp+dntPG+FaP8bj/RvcWrc= Received: from rocky-HP-EliteBook-8460p.wlan.qualcomm.com (tpe-colo-wan-fw-bordernet.qualcomm.com [103.229.16.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: rjliao@codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id A491660736; Sun, 12 May 2019 03:19:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1557631158; bh=tmxQEOmvJjM/nDGQA1d/g0tOTi6yMATlFhpV/M7iJQM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cEFxp6cDs1ARsBipgTpo02NfFxz49PrTLx6raTzrRUsxMK1wncp2vyrEv+Ky+XvOU Sgx4rCjoxJfO8BsRa2EgvY9X/d1X6wevd/2lmZErctBfjMeI9DmpUQfzK+gJ98g+iv RNrygS7EfUr7N+kPDf5Q+znkjUWGhIzpW+1h4/d4= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org A491660736 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=rjliao@codeaurora.org From: Rocky Liao To: robh+dt@kernel.org, mark.rutland@arm.com, marcel@holtmann.org, johan.hedberg@gmail.com, thierry.escande@linaro.org Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-arm-msm@vger.kernel.org, bgodavar@codeaurora.org, Rocky Liao Subject: [PATCH v4 1/2] Bluetooth: hci_qca: Load customized NVM based on the device property Date: Sun, 12 May 2019 11:19:08 +0800 Message-Id: <1557631148-5120-1-git-send-email-rjliao@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1554888451-17518-1-git-send-email-rjliao@codeaurora.org> References: <1554888451-17518-1-git-send-email-rjliao@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org QCA BTSOC NVM is a customized firmware file and different vendors may want to have different BTSOC configuration (e.g. Configure SCO over PCM or I2S, Setting Tx power, etc.) via this file. This patch will allow vendors to download different NVM firmware file by reading a device property "firmware-name". Signed-off-by: Rocky Liao --- Changes in v4: * rebased the code base and merge with latest code --- drivers/bluetooth/btqca.c | 14 ++++++++++---- drivers/bluetooth/btqca.h | 6 ++++-- drivers/bluetooth/hci_qca.c | 19 ++++++++++++++++++- 3 files changed, 32 insertions(+), 7 deletions(-) diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c index cc12eec..0ea690a 100644 --- a/drivers/bluetooth/btqca.c +++ b/drivers/bluetooth/btqca.c @@ -332,7 +332,8 @@ int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr) EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome); int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, - enum qca_btsoc_type soc_type, u32 soc_ver) + enum qca_btsoc_type soc_type, u32 soc_ver, + const char *firmware_name) { struct rome_config config; int err; @@ -368,9 +369,14 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, if (qca_is_wcn399x(soc_type)) snprintf(config.fwname, sizeof(config.fwname), "qca/crnv%02x.bin", rom_ver); - else - snprintf(config.fwname, sizeof(config.fwname), - "qca/nvm_%08x.bin", soc_ver); + else { + if (firmware_name) + snprintf(config.fwname, sizeof(config.fwname), + "qca/%s", firmware_name); + else + snprintf(config.fwname, sizeof(config.fwname), + "qca/nvm_%08x.bin", soc_ver); + } err = qca_download_firmware(hdev, &config); if (err < 0) { diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h index 4c4fe2b..8c037bb 100644 --- a/drivers/bluetooth/btqca.h +++ b/drivers/bluetooth/btqca.h @@ -140,7 +140,8 @@ enum qca_btsoc_type { int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr); int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, - enum qca_btsoc_type soc_type, u32 soc_ver); + enum qca_btsoc_type soc_type, u32 soc_ver, + const char *firmware_name); int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version); int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr); static inline bool qca_is_wcn399x(enum qca_btsoc_type soc_type) @@ -155,7 +156,8 @@ static inline int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdad } static inline int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, - enum qca_btsoc_type soc_type, u32 soc_ver) + enum qca_btsoc_type soc_type, u32 soc_ver, + const char *firmware_name) { return -EOPNOTSUPP; } diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 57322c4..9590602 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -169,6 +169,7 @@ struct qca_serdev { struct qca_power *bt_power; u32 init_speed; u32 oper_speed; + const char *firmware_name; }; static int qca_power_setup(struct hci_uart *hu, bool on); @@ -190,6 +191,17 @@ static enum qca_btsoc_type qca_soc_type(struct hci_uart *hu) return soc_type; } +static const char *qca_get_firmware_name(struct hci_uart *hu) +{ + if (hu->serdev) { + struct qca_serdev *qsd = serdev_device_get_drvdata(hu->serdev); + + return qsd->firmware_name; + } else { + return NULL; + } +} + static void __serial_clock_on(struct tty_struct *tty) { /* TODO: Some chipset requires to enable UART clock on client @@ -1195,6 +1207,7 @@ static int qca_setup(struct hci_uart *hu) struct qca_data *qca = hu->priv; unsigned int speed, qca_baudrate = QCA_BAUDRATE_115200; enum qca_btsoc_type soc_type = qca_soc_type(hu); + const char *firmware_name = qca_get_firmware_name(hu); int ret; int soc_ver = 0; @@ -1245,7 +1258,8 @@ static int qca_setup(struct hci_uart *hu) bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver); /* Setup patch / NVM configurations */ - ret = qca_uart_setup(hdev, qca_baudrate, soc_type, soc_ver); + ret = qca_uart_setup(hdev, qca_baudrate, soc_type, soc_ver, + firmware_name); if (!ret) { set_bit(QCA_IBS_ENABLED, &qca->flags); qca_debugfs_init(hdev); @@ -1477,6 +1491,9 @@ static int qca_serdev_probe(struct serdev_device *serdev) return PTR_ERR(qcadev->bt_en); } + device_property_read_string(&serdev->dev, "firmware-name", + &qcadev->firmware_name); + qcadev->susclk = devm_clk_get(&serdev->dev, NULL); if (IS_ERR(qcadev->susclk)) { dev_err(&serdev->dev, "failed to acquire clk\n"); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project