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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2010-05-09 14:39:58 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-06-01 06:21:25 +0200 |
| commit | 51623ef9aedd8b786a12a4475201827ee85d285c (patch) | |
| tree | e0263f0cb8dc227f2c5a49d64aed287b63f3d86e /drivers | |
| parent | V4L/DVB: v4l2-mediabus.h: add two helper functions (diff) | |
| download | linux-51623ef9aedd8b786a12a4475201827ee85d285c.tar.xz linux-51623ef9aedd8b786a12a4475201827ee85d285c.zip | |
V4L/DVB: saa6752hs: add g/s_mbus_fmt support
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/saa7134/saa6752hs.c | 64 |
1 files changed, 46 insertions, 18 deletions
diff --git a/drivers/media/video/saa7134/saa6752hs.c b/drivers/media/video/saa7134/saa6752hs.c index 1eabff6b2456..852040b6b5a6 100644 --- a/drivers/media/video/saa7134/saa6752hs.c +++ b/drivers/media/video/saa7134/saa6752hs.c @@ -846,24 +846,38 @@ static int saa6752hs_g_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_control return 0; } -static int saa6752hs_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *f) +static int saa6752hs_g_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *f) { struct saa6752hs_state *h = to_state(sd); if (h->video_format == SAA6752HS_VF_UNKNOWN) h->video_format = SAA6752HS_VF_D1; - f->fmt.pix.width = - v4l2_format_table[h->video_format].fmt.pix.width; - f->fmt.pix.height = - v4l2_format_table[h->video_format].fmt.pix.height; + f->width = v4l2_format_table[h->video_format].fmt.pix.width; + f->height = v4l2_format_table[h->video_format].fmt.pix.height; + f->code = V4L2_MBUS_FMT_FIXED; + f->field = V4L2_FIELD_INTERLACED; + f->colorspace = V4L2_COLORSPACE_SMPTE170M; return 0; } -static int saa6752hs_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f) +static int saa6752hs_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *f) +{ + struct v4l2_mbus_framefmt mbus_fmt; + int err = saa6752hs_g_mbus_fmt(sd, &mbus_fmt); + + f->fmt.pix.width = mbus_fmt.width; + f->fmt.pix.height = mbus_fmt.height; + return err; +} + +static int saa6752hs_s_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *f) { struct saa6752hs_state *h = to_state(sd); int dist_352, dist_480, dist_720; + if (f->code != V4L2_MBUS_FMT_FIXED) + return -EINVAL; + /* FIXME: translate and round width/height into EMPRESS subsample type: @@ -876,31 +890,43 @@ static int saa6752hs_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f) D1 | 720x576 | 720x480 */ - dist_352 = abs(f->fmt.pix.width - 352); - dist_480 = abs(f->fmt.pix.width - 480); - dist_720 = abs(f->fmt.pix.width - 720); + dist_352 = abs(f->width - 352); + dist_480 = abs(f->width - 480); + dist_720 = abs(f->width - 720); if (dist_720 < dist_480) { - f->fmt.pix.width = 720; - f->fmt.pix.height = 576; + f->width = 720; + f->height = 576; h->video_format = SAA6752HS_VF_D1; } else if (dist_480 < dist_352) { - f->fmt.pix.width = 480; - f->fmt.pix.height = 576; + f->width = 480; + f->height = 576; h->video_format = SAA6752HS_VF_2_3_D1; } else { - f->fmt.pix.width = 352; - if (abs(f->fmt.pix.height - 576) < - abs(f->fmt.pix.height - 288)) { - f->fmt.pix.height = 576; + f->width = 352; + if (abs(f->height - 576) < + abs(f->height - 288)) { + f->height = 576; h->video_format = SAA6752HS_VF_1_2_D1; } else { - f->fmt.pix.height = 288; + f->height = 288; h->video_format = SAA6752HS_VF_SIF; } } + f->field = V4L2_FIELD_INTERLACED; + f->colorspace = V4L2_COLORSPACE_SMPTE170M; return 0; } +static int saa6752hs_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *f) +{ + struct v4l2_mbus_framefmt mbus_fmt; + + mbus_fmt.width = f->fmt.pix.width; + mbus_fmt.height = f->fmt.pix.height; + mbus_fmt.code = V4L2_MBUS_FMT_FIXED; + return saa6752hs_s_mbus_fmt(sd, &mbus_fmt); +} + static int saa6752hs_s_std(struct v4l2_subdev *sd, v4l2_std_id std) { struct saa6752hs_state *h = to_state(sd); @@ -934,6 +960,8 @@ static const struct v4l2_subdev_core_ops saa6752hs_core_ops = { static const struct v4l2_subdev_video_ops saa6752hs_video_ops = { .s_fmt = saa6752hs_s_fmt, .g_fmt = saa6752hs_g_fmt, + .s_mbus_fmt = saa6752hs_s_mbus_fmt, + .g_mbus_fmt = saa6752hs_g_mbus_fmt, }; static const struct v4l2_subdev_ops saa6752hs_ops = { |