hm2_bspi_write_chan
NAME
hm2_bspi_write_chan — write data to a Hostmot2 Buffered SPI channel
SYNTAX
hm2_bspi_write_chan (char *name, int chan, u32 val )
DESCRIPTION
hm2_bspi_write_chan write one-time data to the bspi channel "chan" on the bspi instance "name".
"name" is a unique string given to each bspi channel
during hostmot2 setup.
The names of the available
channels are printed to standard output during the driver loading process and
take the form:
hm2_<board name>.<board index>.bspi.<index>
For example
hm2_5i23.0.bspi.0
This function performs a one-time write of data to the specified channel.
It is
typically used for setup and chip enabling purposes.
It should not be used in
the main loop for regular data transfers (but is appropriate to use for on-the-
fly setup changes).
RETURN VALUE
Returns 0 on success and -1 on failure.
LICENCE
Issued under the terms of the GPL v2 License or any later version
AUTHOR
Andy Pugh
SEE ALSO
hm2_bspi_setup_chan
hm2_bspi_write_chan
hm2_tram_add_bspi_frame
hm2_allocate_bspi_tram
See mesa_7i65.comp for an example usage