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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-18 14:10:40 -0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-18 14:10:40 -0300
commit2b8de4eabc41ef702ba381a4aa14e3a21b75254e (patch)
tree6c00a66bcf725a24b1483928ada148c455a88df5 /Documentation/media
parentd7b3ae79e1f72218b1a196c3669ff2d29e9b9c11 (diff)
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[media] cx88.rst: add contents from not-in-cx2388x-datasheet.txt
There are some information about missing/wrong documentation at cx231xx datasheet. Add it to the cx88 chapter. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/media')
-rw-r--r--Documentation/media/v4l-drivers/cx88.rst42
1 files changed, 42 insertions, 0 deletions
diff --git a/Documentation/media/v4l-drivers/cx88.rst b/Documentation/media/v4l-drivers/cx88.rst
index ac83292..c89dbfa 100644
--- a/Documentation/media/v4l-drivers/cx88.rst
+++ b/Documentation/media/v4l-drivers/cx88.rst
@@ -55,4 +55,46 @@ the driver. What to do then?
know which one the card has you can also have a look at the
list in CARDLIST.tuner
+Documentation missing at the cx88 datasheet
+-------------------------------------------
+MO_OUTPUT_FORMAT (0x310164)
+
+.. code-block:: none
+
+ Previous default from DScaler: 0x1c1f0008
+ Digit 8: 31-28
+ 28: PREVREMOD = 1
+
+ Digit 7: 27-24 (0xc = 12 = b1100 )
+ 27: COMBALT = 1
+ 26: PAL_INV_PHASE
+ (DScaler apparently set this to 1, resulted in sucky picture)
+
+ Digits 6,5: 23-16
+ 25-16: COMB_RANGE = 0x1f [default] (9 bits -> max 512)
+
+ Digit 4: 15-12
+ 15: DISIFX = 0
+ 14: INVCBF = 0
+ 13: DISADAPT = 0
+ 12: NARROWADAPT = 0
+
+ Digit 3: 11-8
+ 11: FORCE2H
+ 10: FORCEREMD
+ 9: NCHROMAEN
+ 8: NREMODEN
+
+ Digit 2: 7-4
+ 7-6: YCORE
+ 5-4: CCORE
+
+ Digit 1: 3-0
+ 3: RANGE = 1
+ 2: HACTEXT
+ 1: HSFMT
+
+0x47 is the sync byte for MPEG-2 transport stream packets.
+Datasheet incorrectly states to use 47 decimal. 188 is the length.
+All DVB compliant frontends output packets with this start code.
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