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Commit 2b8de4ea authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
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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: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent d7b3ae79

Documentation/media/v4l-drivers/cx88.rst

+42 −0
Original line number Original line Diff line number Diff line
@@ -55,4 +55,46 @@ the driver. What to do then? 
       know which one the card has you can also have a look at the

       know which one the card has you can also have a look at the

       list in CARDLIST.tuner

       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.

Documentation/video4linux/not-in-cx2388x-datasheet.txt

deleted100644 → 0
+0 −41
Original line number Original line Diff line number Diff line 
=================================================================================

MO_OUTPUT_FORMAT (0x310164)



  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.



=================================================================================