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ubtbcmfw - Firmware driver for Broadcom BCM2033 chip based Bluetooth USB

 

NAME

      ubtbcmfw - Firmware driver for Broadcom BCM2033 chip based Bluetooth USB
      devices
 

SYNOPSIS

      To compile this driver into the kernel, place the following line in your
      kernel configuration file:
 
            device ubtbcmfw
 
      Alternatively, to load the driver as a module at boot time, place the
      following line in loader.conf(5):
 
            ubtbcmfw_load="YES"
 

DESCRIPTION

      The ubtbcmfw is a firmware driver for Broadcom BCM2033 chip based Blue‐
      tooth USB devices.  It provides minimal access to the parts of the device
      required to download firmware.
 
      The ubtbcmfw driver creates three fixed endpoint device nodes.
 
      The control transfers can only happen on the control endpoint which is
      always endpoint 0.  Control requests are issued by ioctl(2) calls.
 
      Only incoming transfers are supported on an interrupt endpoint.  To per‐
      form I/O on an interrupt endpoint, read(2) should be used.  All I/O oper‐
      ations on an interrupt endpoint are unbuffered.  Interrupt endpoint is
      always endpoint 1.
 
      Only outgoing bulk transfers are supported on a bulk endpoint.  To per‐
      form I/O on a bulk endpoint, write(2) should be used.  All I/O operations
      on a bulk endpoint are unbuffered.  Outgoing bulk endpoint is always end‐
      point 2.
 
      The control endpoint (endpoint 0) handles the following ioctl(2) calls:
 
      USB_GET_DEVICE_DESC (usb_device_descriptor_t)
              Return the device descriptor.
 

FILES

      /dev/ubtbcmfwN.EE  Endpoint EE of device N.
      ng_ubt(4), ugen(4), usb(4), bcmfw(8)
 

HISTORY

      The ubtbcmfw driver was implemented in FreeBSD 5.0.
 

AUTHORS

      Maksim Yevmenkin 〈m_evmenkin@yahoo.com〉
 

BUGS

      Most likely.  Please report if found.
 

Sections

Based on BSD UNIX
FreeBSD is an advanced operating system for x86 compatible (including Pentium and Athlon), amd64 compatible (including Opteron, Athlon64, and EM64T), UltraSPARC, IA-64, PC-98 and ARM architectures. It is derived from BSD, the version of UNIX developed at the University of California, Berkeley. It is developed and maintained by a large team of individuals. Additional platforms are in various stages of development.