linux-kernel - [PATCH 0/2] Bluetooth: Add support for RTK firmware version 3 and enhanced ACL-based download acceleration

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Message-ID: <20250529124816.4186320-1-hildawu@realtek.com>
Date: Thu, 29 May 2025 20:48:14 +0800
From: Hilda Wu <hildawu@...ltek.com>
To: <marcel@...tmann.org>
CC: <luiz.dentz@...il.com>, <linux-bluetooth@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <max.chou@...ltek.com>,
        <alex_lu@...lsil.com.cn>
Subject: [PATCH 0/2] Bluetooth: Add support for RTK firmware version 3 and enhanced ACL-based download acceleration

Dear Maintainers,

I am submitting a patch for the Bluetooth that introduces support for RTK
firmware version 3 and implements an enhanced download mechanism through
ACL to improve firmware loading times.

Patch Overview:

1. Bluetooth: btrtl: Firmware format v3 support
   - This addition ensures the latest RTK chipsets with firmware version 3
     are fully supported. It includes necessary modifications to
     accommodate new firmware structure changes.

2. Bluetooth: btrtl: Add enhanced download support
   - By leveraging ACL links for firmware transmission, the download
     process is significantly accelerated, reducing the overall time and
     enhancing performance.

Testing and Validation:

- The implementation has been tested on various RTK chipsets under Linux
  based distribution.

Impact and Benefits:

These enhancements are beneficial for future firmware v3 chips and
compatible with previous firmware versions. Users can expect shortened
initialization times.

Your feedback and suggestions are welcome to further refine these changes.
Thank you for considering these enhancements.

Best regards,
Hilda

Hilda Wu (2):
  Bluetooth: btrtl: Firmware format v3 support
  Bluetooth: btrtl: Add enhanced download support

 drivers/bluetooth/btrtl.c | 871 +++++++++++++++++++++++++++++++++++++-
 drivers/bluetooth/btrtl.h | 102 +++++
 drivers/bluetooth/btusb.c |   3 +
 3 files changed, 968 insertions(+), 8 deletions(-)

-- 
2.34.1