diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2014-05-20 02:40:04 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-08-22 00:25:14 +0400 |
| commit | bcb4e0efd1380d93866df51ec5d8dfaa026537ad (patch) | |
| tree | dc52f14b55b69cea7d8eb283edd9e48d2e9df768 /drivers/media/platform/omap3isp/ispvideo.c | |
| parent | 9a36d8ed33c481a99f69f8a2eeb22e3c7750e522 (diff) | |
| download | linux-bcb4e0efd1380d93866df51ec5d8dfaa026537ad.tar.xz | |
[media] omap3isp: ccdc: Support the interlaced field orders at the CCDC output
The CCDC can interleave fields into a single buffer when writing to
memory. Support it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Enrico Butera <ebutera@users.sourceforge.net>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/platform/omap3isp/ispvideo.c')
| -rw-r--r-- | drivers/media/platform/omap3isp/ispvideo.c | 40 |
1 files changed, 33 insertions, 7 deletions
diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c index c38f1d4cc538..bc38c88c7bd9 100644 --- a/drivers/media/platform/omap3isp/ispvideo.c +++ b/drivers/media/platform/omap3isp/ispvideo.c @@ -637,14 +637,40 @@ isp_video_set_format(struct file *file, void *fh, struct v4l2_format *format) if (format->type != video->type) return -EINVAL; - /* Default to the progressive field order if the requested value is not - * supported (or set to ANY). The only supported orders are progressive - * (available on all video nodes) and alternate (available on capture - * nodes only). - */ - if (format->fmt.pix.field != V4L2_FIELD_ALTERNATE || - video->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) + /* Replace unsupported field orders with sane defaults. */ + switch (format->fmt.pix.field) { + case V4L2_FIELD_NONE: + /* Progressive is supported everywhere. */ + break; + case V4L2_FIELD_ALTERNATE: + /* ALTERNATE is not supported on output nodes. */ + if (video->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) + format->fmt.pix.field = V4L2_FIELD_NONE; + break; + case V4L2_FIELD_INTERLACED: + /* The ISP has no concept of video standard, select the + * top-bottom order when the unqualified interlaced order is + * requested. + */ + format->fmt.pix.field = V4L2_FIELD_INTERLACED_TB; + /* Fall-through */ + case V4L2_FIELD_INTERLACED_TB: + case V4L2_FIELD_INTERLACED_BT: + /* Interlaced orders are only supported at the CCDC output. */ + if (video != &video->isp->isp_ccdc.video_out) + format->fmt.pix.field = V4L2_FIELD_NONE; + break; + case V4L2_FIELD_TOP: + case V4L2_FIELD_BOTTOM: + case V4L2_FIELD_SEQ_TB: + case V4L2_FIELD_SEQ_BT: + default: + /* All other field orders are currently unsupported, default to + * progressive. + */ format->fmt.pix.field = V4L2_FIELD_NONE; + break; + } /* Fill the bytesperline and sizeimage fields by converting to media bus * format and back to pixel format. |