diff options
| author | Michael Jones <michael.jones@matrix-vision.de> | 2011-03-29 05:19:09 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-04-19 11:28:08 -0300 |
| commit | c09af044db91bf0f8ca5073f5863c7280de39cc1 (patch) | |
| tree | a8279dc3db8b1ca73a246c5be857bbc024a87dca /drivers/media/video/omap3isp/ispccdc.c | |
| parent | 5782f97b55a0cf8ef66dff045f1beafcdaf40dda (diff) | |
| download | kernel_samsung_smdk4412-c09af044db91bf0f8ca5073f5863c7280de39cc1.zip kernel_samsung_smdk4412-c09af044db91bf0f8ca5073f5863c7280de39cc1.tar.gz kernel_samsung_smdk4412-c09af044db91bf0f8ca5073f5863c7280de39cc1.tar.bz2 | |
[media] omap3isp: lane shifter support
To use the lane shifter, set different pixel formats at each end of
the link at the CCDC input.
Signed-off-by: Michael Jones <michael.jones@matrix-vision.de>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/omap3isp/ispccdc.c')
| -rw-r--r-- | drivers/media/video/omap3isp/ispccdc.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/media/video/omap3isp/ispccdc.c b/drivers/media/video/omap3isp/ispccdc.c index 68941ed..39d501b 100644 --- a/drivers/media/video/omap3isp/ispccdc.c +++ b/drivers/media/video/omap3isp/ispccdc.c @@ -1116,21 +1116,38 @@ static void ccdc_configure(struct isp_ccdc_device *ccdc) struct isp_parallel_platform_data *pdata = NULL; struct v4l2_subdev *sensor; struct v4l2_mbus_framefmt *format; + const struct isp_format_info *fmt_info; + struct v4l2_subdev_format fmt_src; + unsigned int depth_out; + unsigned int depth_in = 0; struct media_pad *pad; unsigned long flags; + unsigned int shift; u32 syn_mode; u32 ccdc_pattern; - if (ccdc->input == CCDC_INPUT_PARALLEL) { - pad = media_entity_remote_source(&ccdc->pads[CCDC_PAD_SINK]); - sensor = media_entity_to_v4l2_subdev(pad->entity); + pad = media_entity_remote_source(&ccdc->pads[CCDC_PAD_SINK]); + sensor = media_entity_to_v4l2_subdev(pad->entity); + if (ccdc->input == CCDC_INPUT_PARALLEL) pdata = &((struct isp_v4l2_subdevs_group *)sensor->host_priv) ->bus.parallel; + + /* Compute shift value for lane shifter to configure the bridge. */ + fmt_src.pad = pad->index; + fmt_src.which = V4L2_SUBDEV_FORMAT_ACTIVE; + if (!v4l2_subdev_call(sensor, pad, get_fmt, NULL, &fmt_src)) { + fmt_info = omap3isp_video_format_info(fmt_src.format.code); + depth_in = fmt_info->bpp; } - omap3isp_configure_bridge(isp, ccdc->input, pdata); + fmt_info = omap3isp_video_format_info + (isp->isp_ccdc.formats[CCDC_PAD_SINK].code); + depth_out = fmt_info->bpp; + + shift = depth_in - depth_out; + omap3isp_configure_bridge(isp, ccdc->input, pdata, shift); - ccdc->syncif.datsz = pdata ? pdata->width : 10; + ccdc->syncif.datsz = depth_out; ccdc_config_sync_if(ccdc, &ccdc->syncif); /* CCDC_PAD_SINK */ |