proxmox-mirrors/fwupd
1
0
Fork 0
mirror of https://git.proxmox.com/git/fwupd synced 2025-05-21 11:39:05 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity
4bdb513937
fwupd/plugins/csr
History
Richard Hughes 0e17e6d030 Fix building with -Wl,-z,defs 
This allows us to find undefined references at compile time, not runtime.
2018-12-25 16:10:54 -06:00
..
data csr: Add a new plugin to add support for CSR "Driverless DFU" 2017-12-11 10:47:18 +00:00
csr-aiaiai.quirk Change the quirk file structure to be more efficient 2018-06-28 13:32:30 +01:00
fu-csr-device.c trivial: Add fu_common_dump_raw() 2018-12-05 15:09:56 +00:00
fu-csr-device.h trivial: Remove duplicate header includes 2018-09-04 08:22:39 -05:00
fu-plugin-csr.c Allow plugins to define support for a 'well-known' protocol 2018-12-14 18:15:01 +00:00
meson.build Fix building with -Wl,-z,defs 2018-12-25 16:10:54 -06:00
README.md trivial: Document the expected plugin firmware formats 2018-12-03 08:48:13 -06:00

README.md

CSR Support

Introduction

CSR is often called “driverless DFU” and is used only by BlueCore chips from Cambridge Silicon Radio (now owned by Qualcomm). The driverless just means that it's DFU like, and is routed over HID.

CSR is a ODM that makes most of the Bluetooth audio chips in vendor hardware. The hardware vendor can enable or disable features on the CSR microcontroller depending on licensing options (for instance echo cancellation), and there’s even a little virtual machine to do simple vendor-specific things.

All the CSR chips are updatable in-field, and most vendors issue updates to fix sound quality issues or to add support for new protocols or devices.

Firmware Format

The daemon will decompress the cabinet archive and extract a firmware blob in DFU file format.

GUID Generation

These devices use the standard USB DeviceInstanceId values, e.g.

  • USB\VID_0A12&PID_1337&REV_2520
  • USB\VID_0A12&PID_1337
  • USB\VID_0A12