From 2b8de4eabc41ef702ba381a4aa14e3a21b75254e Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Mon, 18 Jul 2016 14:10:40 -0300 Subject: [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 --- Documentation/media/v4l-drivers/cx88.rst | 42 ++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) (limited to 'Documentation/media') diff --git a/Documentation/media/v4l-drivers/cx88.rst b/Documentation/media/v4l-drivers/cx88.rst index ac83292776da..c89dbfa5f9d6 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. -- cgit v1.2.3-70-g09d2