[PATCH 10/13] staging: comedi: ni_mio_common: create device-global access to tio
Spencer E. Olson
olsonse at umich.edu
Wed Sep 19 16:38:54 UTC 2018
Adds tio sub-devices of ni_mio_common supported hardware to the
implementation of test_route, connect_route, disconnect_route. This change
delegates the actual functionality to the ni_tio module.
Signed-off-by: Spencer E. Olson <olsonse at umich.edu>
---
drivers/staging/comedi/drivers/ni_mio_common.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index d7862787e064..ecb05b3f9d35 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -5620,6 +5620,8 @@ static int get_output_select_source(int dest, struct comedi_device *dev)
/* there are only two g_out outputs. */
return -EINVAL;
reg = ni_get_gout_routing(dest, dev);
+ } else if (channel_is_ctr(dest)) {
+ reg = ni_tio_get_routing(devpriv->counter_dev, dest);
} else {
dev_dbg(dev->class_dev, "%s: unhandled destination (%d) queried\n",
__func__, dest);
@@ -5708,6 +5710,13 @@ static int connect_route(unsigned int src, unsigned int dest,
return -EINVAL;
if (ni_set_gout_routing(src, dest, dev))
return -EINVAL;
+ } else if (channel_is_ctr(dest)) {
+ /*
+ * we are adding back the channel modifier info to set
+ * invert/edge info passed by the user
+ */
+ ni_tio_set_routing(devpriv->counter_dev, dest,
+ reg | (src & ~CR_CHAN(-1)));
} else {
return -EINVAL;
}
@@ -5766,6 +5775,8 @@ static int disconnect_route(unsigned int src, unsigned int dest,
/* there are only two g_out outputs. */
return -EINVAL;
reg = ni_disable_gout_routing(dest, dev);
+ } else if (channel_is_ctr(dest)) {
+ ni_tio_unset_routing(devpriv->counter_dev, dest);
} else {
return -EINVAL;
}
--
2.17.1
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