The patch number 14794 was added via Douglas Schilling Landgraf
<[email protected]>
to http://linuxtv.org/hg/v4l-dvb master development tree.
Kernel patches in this development tree may be modified to be backward
compatible with older kernels. Compatibility modifications will be
removed before inclusion into the mainstream Kernel
If anyone has any objections, please let us know by sending a message to:
Linux Media Mailing List <[email protected]>
------
From: Hans Verkuil <[email protected]>
tvp5150: support new vbi ops to set/get VBI format
Priority: normal
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Signed-off-by: Douglas Schilling Landgraf <[email protected]>
---
linux/drivers/media/video/tvp5150.c | 66 +++++++++++++++++-----------
1 file changed, 41 insertions(+), 25 deletions(-)
diff -r 451de0abe786 -r aa6c5fdb0aa2 linux/drivers/media/video/tvp5150.c
--- a/linux/drivers/media/video/tvp5150.c Wed May 12 15:05:13 2010 -0300
+++ b/linux/drivers/media/video/tvp5150.c Wed May 12 15:06:08 2010 -0300
@@ -912,29 +912,26 @@
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)
{
- struct v4l2_sliced_vbi_format *svbi;
+ /* 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)
+{
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;
@@ -958,14 +955,24 @@
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;
+ switch (fmt->type) {
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+ return tvp5150_s_raw_fmt(sd, &fmt->fmt.vbi);
+
+ case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
+ return tvp5150_s_sliced_fmt(sd, &fmt->fmt.sliced);
+
+ default:
+ return -EINVAL;
+ }
+}
+
+static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct
v4l2_sliced_vbi_format *svbi)
+{
int i, mask = 0;
- if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
- return -EINVAL;
- svbi = &fmt->fmt.sliced;
memset(svbi, 0, sizeof(*svbi));
for (i = 0; i <= 23; i++) {
@@ -1046,6 +1053,12 @@
rev);
}
+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);
+}
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register
*reg)
@@ -1126,6 +1139,9 @@
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 = {
---
Patch is available at:
http://linuxtv.org/hg/v4l-dvb/rev/aa6c5fdb0aa2a7619bbfbc397fe87eebf49e60ba
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