From patchwork Fri Oct 22 05:35:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: tjiang@codeaurora.org X-Patchwork-Id: 12577047 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D97BDC433EF for ; Fri, 22 Oct 2021 05:35:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AFECB6101C for ; Fri, 22 Oct 2021 05:35:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230238AbhJVFiB (ORCPT ); Fri, 22 Oct 2021 01:38:01 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:42782 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229478AbhJVFh6 (ORCPT ); Fri, 22 Oct 2021 01:37:58 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1634880941; h=Message-ID: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=89F8xJvCrlSlLbEL6WG25xOvvgYOnHNdU38GRSzzzYA=; b=djd1h7RYYp65DkadR+F+QZ8ibrdrzzfvq9R1kq0He3Ysy+gUgL8es6ZVzOR4NNOYsMvy6kEi tDdYB5XaozD5gFRHaVi80T1rqgd2Qn/nXZv7edImJUsjGZsPLEX+jNeN59VqB/ESsy7qqfoQ 04UmF7/QNvs/80ZEgqB6cIWyIEE= X-Mailgun-Sending-Ip: 69.72.43.7 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 smtp-out-n04.prod.us-west-2.postgun.com with SMTP id 61724dab321f2400519cc5c1 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 22 Oct 2021 05:35:39 GMT Sender: tjiang=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 9B90DC4360D; Fri, 22 Oct 2021 05:35:39 +0000 (UTC) Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: tjiang) by smtp.codeaurora.org (Postfix) with ESMTPSA id C9672C4338F; Fri, 22 Oct 2021 05:35:38 +0000 (UTC) MIME-Version: 1.0 Date: Fri, 22 Oct 2021 13:35:38 +0800 From: tjiang@codeaurora.org To: marcel@holtmann.org, johan.hedberg@gmail.com, luiz.dentz@gmail.com Cc: linux-kernel@vger.kernel.org, linux-bluetooth@vger.kernel.org, linux-arm-msm@vger.kernel.org, bgodavar@codeaurora.org, c-hbandi@codeaurora.org, hemantg@codeaurora.org, mka@chromium.org, rjliao@codeaurora.org, zijuhu@codeaurora.org, tjiang@codeaurora.org Subject: [PATCH v3] Bluetooth: btusb: Add support for variant WCN6855 by using different nvm Message-ID: <1d19afff955cdc8d47582297a26246d9@codeaurora.org> X-Sender: tjiang@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org the RF performance of wcn6855 soc chip from different foundries will be difference, so we should use different nvm to configure them. Signed-off-by: Tim Jiang --- drivers/bluetooth/btusb.c | 55 +++++++++++++++++++++++++++++++++++------------ 1 file changed, 41 insertions(+), 14 deletions(-) __le32 patch_version; @@ -3226,6 +3229,7 @@ static const struct qca_device_info qca_devices_table[] = { { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */ { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */ { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */ + { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */ }; static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, @@ -3380,6 +3384,42 @@ static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, return err; } +static void btusb_generate_qca_nvm_name(char *fwname, + size_t max_size, + const struct qca_version *ver) +{ + u32 rom_version = le32_to_cpu(ver->rom_version); + u16 flag = le16_to_cpu(ver->flag); + + if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) { + u16 board_id = le16_to_cpu(ver->board_id); + u32 ram_version = le32_to_cpu(ver->ram_version); + const char *variant = NULL; + + switch (ram_version) { + case WCN6855_2_0_RAM_VERSION_GF: + case WCN6855_2_1_RAM_VERSION_GF: + variant = "_gf"; + break; + default: + variant = ""; + break; + } + + if (board_id == 0) { + snprintf(fwname, max_size, "qca/nvm_usb_%08x%s.bin", + rom_version, variant); + } else { + snprintf(fwname, max_size, "qca/nvm_usb_%08x%s_%04x.bin", + rom_version, variant, board_id); + } + } else { + snprintf(fwname, max_size, "qca/nvm_usb_%08x.bin", + rom_version); + } + +} + static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, struct qca_version *ver, const struct qca_device_info *info) @@ -3388,20 +3428,7 @@ static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, char fwname[64]; int err; - if (((ver->flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) { - /* if boardid equal 0, use default nvm without surfix */ - if (le16_to_cpu(ver->board_id) == 0x0) { - snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", - le32_to_cpu(ver->rom_version)); - } else { - snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_%04x.bin", - le32_to_cpu(ver->rom_version), - le16_to_cpu(ver->board_id)); - } - } else { - snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", - le32_to_cpu(ver->rom_version)); - } + btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver); err = request_firmware(&fw, fwname, &hdev->dev); if (err) { diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 87b71740fad8..a5fe57e7cd7e 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -3195,6 +3195,9 @@ static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev, #define QCA_DFU_TIMEOUT 3000 #define QCA_FLAG_MULTI_NVM 0x80 +#define WCN6855_2_0_RAM_VERSION_GF 0x400c1200 +#define WCN6855_2_1_RAM_VERSION_GF 0x400c1211 + struct qca_version { __le32 rom_version;