forked from luck/tmp_suning_uos_patched
2b1b945f88
README.cx88 were outdated since a long time. Update it with the current status. Cc: Rafael Diniz <diniz@wimobilis.com.br> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
68 lines
2.1 KiB
Plaintext
68 lines
2.1 KiB
Plaintext
cx8800 release notes
|
|
====================
|
|
|
|
This is a v4l2 device driver for the cx2388x chip.
|
|
|
|
|
|
current status
|
|
==============
|
|
|
|
video
|
|
- Basically works.
|
|
- For now, only capture and read(). Overlay isn't supported.
|
|
|
|
audio
|
|
- The chip specs for the on-chip TV sound decoder are next
|
|
to useless :-/
|
|
- Neverless the builtin TV sound decoder starts working now,
|
|
at least for some standards.
|
|
FOR ANY REPORTS ON THIS PLEASE MENTION THE TV NORM YOU ARE
|
|
USING.
|
|
- Most tuner chips do provide mono sound, which may or may not
|
|
be useable depending on the board design. With the Hauppauge
|
|
cards it works, so there is mono sound available as fallback.
|
|
- audio data dma (i.e. recording without loopback cable to the
|
|
sound card) is supported via cx88-alsa.
|
|
|
|
vbi
|
|
- Code present. Works for NTSC closed caption. PAL and other
|
|
TV norms may or may not work.
|
|
|
|
|
|
how to add support for new cards
|
|
================================
|
|
|
|
The driver needs some config info for the TV cards. This stuff is in
|
|
cx88-cards.c. If the driver doesn't work well you likely need a new
|
|
entry for your card in that file. Check the kernel log (using dmesg)
|
|
to see whenever the driver knows your card or not. There is a line
|
|
like this one:
|
|
|
|
cx8800[0]: subsystem: 0070:3400, board: Hauppauge WinTV \
|
|
34xxx models [card=1,autodetected]
|
|
|
|
If your card is listed as "board: UNKNOWN/GENERIC" it is unknown to
|
|
the driver. What to do then?
|
|
|
|
(1) Try upgrading to the latest snapshot, maybe it has been added
|
|
meanwhile.
|
|
(2) You can try to create a new entry yourself, have a look at
|
|
cx88-cards.c. If that worked, mail me your changes as unified
|
|
diff ("diff -u").
|
|
(3) Or you can mail me the config information. I need at least the
|
|
following informations to add the card:
|
|
|
|
* the PCI Subsystem ID ("0070:3400" from the line above,
|
|
"lspci -v" output is fine too).
|
|
* the tuner type used by the card. You can try to find one by
|
|
trial-and-error using the tuner=<n> insmod option. If you
|
|
know which one the card has you can also have a look at the
|
|
list in CARDLIST.tuner
|
|
|
|
Have fun,
|
|
|
|
Gerd
|
|
|
|
--
|
|
Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
|