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):
DESCRIPTION¶
The
ubtbcmfw
is a firmware driver for
Broadcom BCM2033 chip based Bluetooth 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 perform I/O
on an interrupt endpoint,
read(2) should be used.
All I/O operations on an interrupt endpoint are unbuffered. Interrupt endpoint
is always endpoint 1.
Only outgoing bulk transfers are supported on a bulk endpoint. To perform 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
endpoint 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.
SEE ALSO¶
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.