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authorHans Verkuil <hverkuil@xs4all.nl>2010-03-14 10:59:16 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-05-19 12:58:49 -0300
commitd37dad497c77149e99cb3f4086cfc3b8d8150135 (patch)
tree247f4bb187f4ecfe1cd6edd01588860e5fc5778c /drivers/media/video/tvp5150.c
parent1dbf85397a686488b4be412af1cc069ae63a5ecc (diff)
V4L/DVB: tvp5150: support new vbi ops to set/get VBI format
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/tvp5150.c')
-rw-r--r--drivers/media/video/tvp5150.c66
1 files changed, 41 insertions, 25 deletions
diff --git a/drivers/media/video/tvp5150.c b/drivers/media/video/tvp5150.c
index caf0a708542e..853dd6f39b97 100644
--- a/drivers/media/video/tvp5150.c
+++ b/drivers/media/video/tvp5150.c
@@ -891,29 +891,26 @@ static int tvp5150_s_routing(struct v4l2_subdev *sd,
return 0;
}
-static int tvp5150_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
+static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
+{
+ /* this is for capturing 36 raw vbi lines
+ if there's a way to cut off the beginning 2 vbi lines
+ with the tvp5150 then the vbi line count could be lowered
+ to 17 lines/field again, although I couldn't find a register
+ which could do that cropping */
+ if (fmt->sample_format == V4L2_PIX_FMT_GREY)
+ tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
+ if (fmt->count[0] == 18 && fmt->count[1] == 18) {
+ tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
+ tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
+ }
+ return 0;
+}
+
+static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
{
- struct v4l2_sliced_vbi_format *svbi;
int i;
- /* raw vbi */
- if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
- /* this is for capturing 36 raw vbi lines
- if there's a way to cut off the beginning 2 vbi lines
- with the tvp5150 then the vbi line count could be lowered
- to 17 lines/field again, although I couldn't find a register
- which could do that cropping */
- if (fmt->fmt.vbi.sample_format == V4L2_PIX_FMT_GREY)
- tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
- if (fmt->fmt.vbi.count[0] == 18 && fmt->fmt.vbi.count[1] == 18) {
- tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
- tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
- }
- return 0;
- }
- if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
- return -EINVAL;
- svbi = &fmt->fmt.sliced;
if (svbi->service_set != 0) {
for (i = 0; i <= 23; i++) {
svbi->service_lines[1][i] = 0;
@@ -937,14 +934,24 @@ static int tvp5150_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
return 0;
}
-static int tvp5150_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
+static int tvp5150_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
{
- struct v4l2_sliced_vbi_format *svbi;
- int i, mask = 0;
+ switch (fmt->type) {
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ return tvp5150_s_raw_fmt(sd, &fmt->fmt.vbi);
- if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
+ case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
+ return tvp5150_s_sliced_fmt(sd, &fmt->fmt.sliced);
+
+ default:
return -EINVAL;
- svbi = &fmt->fmt.sliced;
+ }
+}
+
+static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
+{
+ int i, mask = 0;
+
memset(svbi, 0, sizeof(*svbi));
for (i = 0; i <= 23; i++) {
@@ -956,6 +963,12 @@ static int tvp5150_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
return 0;
}
+static int tvp5150_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
+{
+ if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
+ return -EINVAL;
+ return tvp5150_g_sliced_fmt(sd, &fmt->fmt.sliced);
+}
static int tvp5150_g_chip_ident(struct v4l2_subdev *sd,
struct v4l2_dbg_chip_ident *chip)
@@ -1050,6 +1063,9 @@ static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
.g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
+ .g_sliced_fmt = tvp5150_g_sliced_fmt,
+ .s_sliced_fmt = tvp5150_s_sliced_fmt,
+ .s_raw_fmt = tvp5150_s_raw_fmt,
};
static const struct v4l2_subdev_ops tvp5150_ops = {