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| author | Hans Verkuil <hverkuil@xs4all.nl> | 2006-05-24 15:16:45 +0200 |
|---|---|---|
| committer | Hans Verkuil <hverkuil@xs4all.nl> | 2006-05-24 15:16:45 +0200 |
| commit | f42c88e0f6e08ebe2df7e03c4d5e8e0070120342 (patch) | |
| tree | 8e02fecbd31557ce2c2dacfdc07760b56595ef85 /linux/drivers/media/video/cx25840/cx25840-vbi.c | |
| parent | 86021ed118e9bc956640ce9155683f3356ad50cb (diff) | |
| download | mediapointer-dvb-s2-f42c88e0f6e08ebe2df7e03c4d5e8e0070120342.tar.gz mediapointer-dvb-s2-f42c88e0f6e08ebe2df7e03c4d5e8e0070120342.tar.bz2 | |
Add NTSC sliced VBI support to the cx25840 module.
From: Christopher Neufeld <television@cneufeld.ca>
NTSC sliced VBI support by Christopher Neufeld <television@cneufeld.ca>
with additional fixes by Hans Verkuil <hverkuil@xs4all.nl>.
Signed-off-by: Christopher Neufeld <television@cneufeld.ca>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Diffstat (limited to 'linux/drivers/media/video/cx25840/cx25840-vbi.c')
| -rw-r--r-- | linux/drivers/media/video/cx25840/cx25840-vbi.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/linux/drivers/media/video/cx25840/cx25840-vbi.c b/linux/drivers/media/video/cx25840/cx25840-vbi.c index 658fcb260..a998760c8 100644 --- a/linux/drivers/media/video/cx25840/cx25840-vbi.c +++ b/linux/drivers/media/video/cx25840/cx25840-vbi.c @@ -85,6 +85,7 @@ static int decode_vps(u8 * dst, u8 * p) void cx25840_vbi_setup(struct i2c_client *client) { + struct cx25840_state *state = i2c_get_clientdata(client); v4l2_std_id std = cx25840_get_v4lstd(client); if (std & ~V4L2_STD_NTSC) { @@ -118,6 +119,7 @@ void cx25840_vbi_setup(struct i2c_client *client) cx25840_write(client, 0x47e, 0x0a); cx25840_write(client, 0x47f, 0x01); + state->vbi_line_offset = 5; } else { /* datasheet startup, step 8d */ cx25840_write(client, 0x49f, 0x14); @@ -141,11 +143,13 @@ void cx25840_vbi_setup(struct i2c_client *client) cx25840_write(client, 0x47d, 0x7c); cx25840_write(client, 0x47e, 0x08); cx25840_write(client, 0x47f, 0x00); + state->vbi_line_offset = 8; } } int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg) { + struct cx25840_state *state = i2c_get_clientdata(client); struct v4l2_format *fmt; struct v4l2_sliced_vbi_format *svbi; @@ -212,7 +216,7 @@ int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg) cx25840_vbi_setup(client); /* Sliced VBI */ - cx25840_write(client, 0x404, 0x36); /* Ancillery data */ + cx25840_write(client, 0x404, 0x32); /* Ancillary data */ cx25840_write(client, 0x406, 0x13); cx25840_write(client, 0x47f, vbi_offset); @@ -249,8 +253,18 @@ int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg) } } - for (x = 1, i = 0x424; i <= 0x434; i++, x++) { - cx25840_write(client, i, lcr[6 + x]); + if (is_pal) { + for (x = 1, i = 0x424; i <= 0x434; i++, x++) { + cx25840_write(client, i, lcr[6 + x]); + } + } + else { + for (x = 1, i = 0x424; i <= 0x430; i++, x++) { + cx25840_write(client, i, lcr[9 + x]); + } + for (i = 0x431; i <= 0x434; i++) { + cx25840_write(client, i, 0); + } } cx25840_write(client, 0x43c, 0x16); @@ -258,7 +272,7 @@ int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg) if (is_pal) { cx25840_write(client, 0x474, 0x2a); } else { - cx25840_write(client, 0x474, 0x1a + 6); + cx25840_write(client, 0x474, 0x22); } break; } @@ -279,7 +293,7 @@ int cx25840_vbi(struct i2c_client *client, unsigned int cmd, void *arg) id1 = p[-1]; id2 = p[0] & 0xf; l = p[2] & 0x3f; - l += 5; + l += state->vbi_line_offset; p += 4; switch (id2) { |