staging: comedi: ni_labpc_common: convert driver to use the comedi_8254 module

Browse source

This driver uses an 8254 timer to generate the pacer clock used for analog
input data conversion. Convert it to use the comedi_8254 module to provide
support for the 8254 timer.

The hardware actually has two 8254 devices. Timer B0 is the master for timed
conversions, timer B1 sets the scan pacing, and tmer A0 sets the conversion
pacing.

For the conversion, dev->pacer is used for the "B" timers and a new private
data member, dev->counter, is used for the "A" timers. All the divisor values
are stored in the dev->pacer.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

H Hartley Sweeten 2015-02-23 14:58:02 -07:00 • committed by Greg Kroah-Hartman

parent 5a213fa6f7

commit c0cfeca1a8

6 changed files with 111 additions and 111 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

1

drivers/staging/comedi/Kconfig

View file

1

drivers/staging/comedi/drivers/ni_labpc.c

View file

16

drivers/staging/comedi/drivers/ni_labpc.h

View file

182

drivers/staging/comedi/drivers/ni_labpc_common.c

View file

14

drivers/staging/comedi/drivers/ni_labpc_cs.c

View file

8

drivers/staging/comedi/drivers/ni_labpc_pci.c

View file