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=-9.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 A0293C4346E for ; Mon, 28 Sep 2020 02:11:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 473AB206D9 for ; Mon, 28 Sep 2020 02:11:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="X6/tplDV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726421AbgI1CLW (ORCPT ); Sun, 27 Sep 2020 22:11:22 -0400 Received: from m42-4.mailgun.net ([69.72.42.4]:57210 "EHLO m42-4.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726396AbgI1CLW (ORCPT ); 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Mon, 28 Sep 2020 02:11:20 +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: rjliao) by smtp.codeaurora.org (Postfix) with ESMTPSA id B1CFEC433C8; Mon, 28 Sep 2020 02:11:19 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Date: Mon, 28 Sep 2020 10:11:19 +0800 From: Rocky Liao To: Marcel Holtmann Cc: Johan Hedberg , open list , linux-bluetooth , linux-arm-msm@vger.kernel.org Subject: Re: [PATCH v3] Bluetooth: btusb: Add Qualcomm Bluetooth SoC WCN6855 support In-Reply-To: <8296D361-B28F-46CA-86E1-6F7FCE62D97F@holtmann.org> References: <20200914092744.17464-1-rjliao@codeaurora.org> <20200925090829.3088-1-rjliao@codeaurora.org> <8296D361-B28F-46CA-86E1-6F7FCE62D97F@holtmann.org> Message-ID: X-Sender: rjliao@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Hi Marcel, 在 2020-09-26 00:08，Marcel Holtmann 写道： > Hi Rocky, > >> This patch add support for WCN6855 i.e. patch and nvm download >> support. > > please always include the content of /sys/kernel/debug/usb/devices for > this hardware. > OK. >> >> Signed-off-by: Rocky Liao >> --- >> drivers/bluetooth/btusb.c | 66 +++++++++++++++++++++++++++++++-------- >> 1 file changed, 53 insertions(+), 13 deletions(-) >> >> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c >> index 9f294b941943..e888e4c02d69 100644 >> --- a/drivers/bluetooth/btusb.c >> +++ b/drivers/bluetooth/btusb.c >> @@ -59,6 +59,7 @@ static struct usb_driver btusb_driver; >> #define BTUSB_MEDIATEK 0x200000 >> #define BTUSB_WIDEBAND_SPEECH 0x400000 >> #define BTUSB_VALID_LE_STATES 0x800000 >> +#define BTUSB_QCA_WCN6855 0x1000000 >> >> static const struct usb_device_id btusb_table[] = { >> /* Generic Bluetooth USB device */ >> @@ -291,6 +292,10 @@ static const struct usb_device_id >> blacklist_table[] = { >> { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME | >> BTUSB_WIDEBAND_SPEECH }, >> >> + /* QCA WCN6855 chipset */ >> + { USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 | >> + BTUSB_WIDEBAND_SPEECH }, >> + >> /* Broadcom BCM2035 */ >> { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, >> { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, >> @@ -3409,6 +3414,27 @@ static int btusb_set_bdaddr_ath3012(struct >> hci_dev *hdev, >> return 0; >> } >> >> +static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev, >> + const bdaddr_t *bdaddr) >> +{ >> + struct sk_buff *skb; >> + u8 buf[6]; >> + long ret; >> + >> + memcpy(buf, bdaddr, sizeof(bdaddr_t)); >> + >> + skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf, >> + HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); >> + if (IS_ERR(skb)) { >> + ret = PTR_ERR(skb); >> + bt_dev_err(hdev, "Change address command failed (%ld)", ret); >> + return ret; >> + } >> + kfree_skb(skb); >> + >> + return 0; >> +} >> + >> #define QCA_DFU_PACKET_LEN 4096 >> >> #define QCA_GET_TARGET_VERSION 0x09 >> @@ -3428,7 +3454,8 @@ struct qca_version { >> } __packed; >> >> struct qca_rampatch_version { >> - __le16 rom_version; >> + __le16 rom_version_high; >> + __le16 rom_version_low; >> __le16 patch_version; >> } __packed; > > How does this work. The struct now has an extra 16-bit in the middle. > Is this backwards compatible? > It works with old HW by shift the offset byte in qca_devices_table, from 18 to 16. So for old HW only rom_version_low is being used and it still points to the correct bytes. >> >> @@ -3440,12 +3467,14 @@ struct qca_device_info { >> }; >> >> static const struct qca_device_info qca_devices_table[] = { >> - { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */ >> - { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */ >> - { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */ >> - { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */ >> - { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */ >> - { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */ >> + { 0x00000100, 20, 4, 8 }, /* Rome 1.0 */ >> + { 0x00000101, 20, 4, 8 }, /* Rome 1.1 */ > > Align it with 8 } > OK. >> + { 0x00000200, 28, 4, 16 }, /* Rome 2.0 */ >> + { 0x00000201, 28, 4, 16 }, /* Rome 2.1 */ >> + { 0x00000300, 28, 4, 16 }, /* Rome 3.0 */ >> + { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */ >> + { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */ >> + { 0x00130200, 40, 4, 16 } /* WCN6855 2.0 */ > > And the last one should also be }, > OK. >> }; >> >> static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 >> request, >> @@ -3547,8 +3576,8 @@ static int btusb_setup_qca_load_rampatch(struct >> hci_dev *hdev, >> { >> struct qca_rampatch_version *rver; >> const struct firmware *fw; >> - u32 ver_rom, ver_patch; >> - u16 rver_rom, rver_patch; >> + u32 ver_rom, ver_patch, rver_rom; >> + u16 rver_rom_low, rver_rom_high, rver_patch; >> char fwname[64]; >> int err; >> >> @@ -3567,9 +3596,16 @@ static int btusb_setup_qca_load_rampatch(struct >> hci_dev *hdev, >> bt_dev_info(hdev, "using rampatch file: %s", fwname); >> >> rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); >> - rver_rom = le16_to_cpu(rver->rom_version); >> + rver_rom_low = le16_to_cpu(rver->rom_version_low); >> rver_patch = le16_to_cpu(rver->patch_version); >> >> + if (ver_rom & ~0xffffU) { >> + rver_rom_high = le16_to_cpu(rver->rom_version_high); >> + rver_rom = le32_to_cpu(rver_rom_high << 16 | rver_rom_low); >> + } else { >> + rver_rom = rver_rom_low; >> + } >> + >> bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, " >> "firmware rome 0x%x build 0x%x", >> rver_rom, rver_patch, ver_rom, ver_patch); >> @@ -3643,9 +3679,6 @@ static int btusb_setup_qca(struct hci_dev *hdev) >> return err; >> >> ver_rom = le32_to_cpu(ver.rom_version); >> - /* Don't care about high ROM versions */ >> - if (ver_rom & ~0xffffU) >> - return 0; >> >> for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { >> if (ver_rom == qca_devices_table[i].rom_version) >> @@ -4081,6 +4114,13 @@ static int btusb_probe(struct usb_interface >> *intf, >> btusb_check_needs_reset_resume(intf); >> } >> >> + if (id->driver_info & BTUSB_QCA_WCN6855) { >> + data->setup_on_usb = btusb_setup_qca; >> + hdev->set_bdaddr = btusb_set_bdaddr_wcn6855; >> + hdev->cmd_timeout = btusb_qca_cmd_timeout; >> + set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); >> + } >> + >> if (id->driver_info & BTUSB_AMP) { >> /* AMP controllers do not support SCO packets */ >> data->isoc = NULL; > > Regards > > Marcel