diff options
author | Jacopo Mondi <jacopo.mondi@linaro.org> | 2016-02-23 11:22:48 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@google.com> | 2016-02-23 22:39:20 -0800 |
commit | 446091c999388f9365e8d206f70b0c1a860212a0 (patch) | |
tree | 1fb7658bd79f9b70c52ba456514937cee2545c97 /drivers/staging/greybus/greybus_protocols.h | |
parent | 7f29aded453e0392391b831c196583c274ec2cfd (diff) |
greybus: camera: Add CSI configuration parameters
Add CSI configuration parameters to the configure_stream operation
response.
Currently, only the total number of lines in a second is used to configure the
the AP-Bridge CSI transmitter, all other parameters (number of CSI data
lanes, and CSI bus clock frequency) are kept hard-coded for two reasons:
1) We need to configure the CSI receiver on AP side accordingly to these
settings, before sending them to APB1 CSI transmitter.
2) We cannot use the camera module provided parameters as-is, but use
those information to compute the required bandwidth on the CSI bus, and
configure the # of CSI data lanes, and the CSI bus clock speed in a way that
satisfies that bandwidth requirement.
Signed-off-by: Jacopo Mondi <jacopo.mondi@linaro.org>
Acked-by: Laurent Pinchart <laurent.pinchart@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Diffstat (limited to 'drivers/staging/greybus/greybus_protocols.h')
-rw-r--r-- | drivers/staging/greybus/greybus_protocols.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/staging/greybus/greybus_protocols.h b/drivers/staging/greybus/greybus_protocols.h index 6b192924a566..1a90dc2d9c3a 100644 --- a/drivers/staging/greybus/greybus_protocols.h +++ b/drivers/staging/greybus/greybus_protocols.h @@ -1276,7 +1276,10 @@ struct gb_camera_configure_streams_response { __u8 num_streams; __u8 flags; #define GB_CAMERA_CONFIGURE_STREAMS_ADJUSTED 0x01 - __le16 padding; + __u8 num_lanes; + __u8 padding; + __le32 bus_freq; + __le32 lines_per_second; struct gb_camera_stream_config_response config[0]; } __packed; |