[mythtv-users] Help with Pixelview BT878 card (unknown) and Knoppmyth

Jeffrey Brinkerhoff JBrinker at syr.edu
Tue Nov 30 16:15:21 UTC 2004


Linux newbieish here - Ive had to work with redhat just enough to get a
few linux-only things going, so I can just klutz my way around. 
 
I have a machine Im testing out knoppmyth on, and so far so good.
Everything works but live tv/recording. I have a cheapie Pixelview card
I picked up, and Im only able to get "snow" on the top 1/8th of the
screen, which fades quickly to solid green for the bottom 7/8th. 
 
I've read the list and searched all I can find, and I believe Im not
getting the correct tuner type set. Im not sure where/how to change this
in Knoppmyth tho, as it seems different than other distros. I'm also not
sure how to tell what modules I have loaded and/or need to load for this
to work correctly.
 
Here's the output from lsmod:
 
Module                  Size  Used by    Not tainted
snd-pcm-oss            36420   0  (autoclean)
lirc_i2c                4448   0  (autoclean) (unused)
lirc_dev                8592   0  (autoclean) [lirc_i2c]
i830                   62204   2 
agpgart                42852  11  (autoclean)
apm                     9544   1  (autoclean)
autofs4                 9332   0  (unused)
af_packet              14632   0  (unused)
snd-mixer-oss          11640   0  [snd-pcm-oss]
snd-intel8x0           17636   0 
snd-pcm                56000   0  [snd-pcm-oss snd-intel8x0]
snd-timer              14088   0  [snd-pcm]
snd-ac97-codec         32832   0  [snd-intel8x0]
snd-page-alloc          4316   0  [snd-intel8x0 snd-pcm]
snd-mpu401-uart         3168   0  [snd-intel8x0]
snd-rawmidi            13088   0  [snd-mpu401-uart]
snd-seq-device          3824   0  [snd-rawmidi]
snd                    27940   0  [snd-pcm-oss snd-mixer-oss
snd-intel8x0 snd-pcm snd-timer snd-ac97-codec snd-mpu401-uart
snd-rawmidi snd-seq-device]
e1000                  63172   1 
tuner                  12712   1 
bttv                  110572   0 
video-buf              11392   0  [bttv]
btcx-risc               2216   0  [bttv]
i2c-algo-bit            7048   1  [bttv]
i2c-core               12452   0  [lirc_i2c tuner bttv i2c-algo-bit]
soundcore               3524   3  [snd bttv]
videodev                6016   2  [bttv]
v4l2-common             3104   0  [bttv]
serial                 44708   0 
usb-uhci               22960   0  (unused)
usbcore                59980   0  [usb-uhci]
rtc                     7432   0 
ext3                   65604   2 
jbd                    47952   2  [ext3]

 
and a look at the relevant section of dmesg:
 

Linux video capture interface: v1.00
i2c-core.o: i2c core module version 2.6.1 (20010830)
i2c-algo-bit.o: i2c bit algorithm module
bttv: driver version 0.9.15 loaded
bttv: using 8 buffers with 2080k (520 pages) each for capture
bttv: Bt8xx card found (0).
PCI: Found IRQ 9 for device 01:07.0
PCI: Sharing IRQ 9 with 00:02.0
PCI: Sharing IRQ 9 with 00:1d.0
PCI: Sharing IRQ 9 with 01:07.1
bttv0: Bt878 (rev 17) at 01:07.0, irq: 9, latency: 64, mmio:
0xf80ff000
bttv0: using:  *** UNKNOWN/GENERIC ***  [card=0,autodetected]
bttv0: gpio: en=00000000, out=00000000 in=00ffffff [init]
i2c-core.o: adapter bt878 #0 [sw] registered as adapter 0.
bttv: readee error
bttv0: using tuner=-1
bttv0: i2c: checking for MSP34xx @ 0x80... not found
bttv0: i2c: checking for TDA9875 @ 0xb0... not found
bttv0: i2c: checking for TDA7432 @ 0x8a... not found
bttv0: registered device video0
bttv0: registered device vbi0
i2c-core.o: driver i2c TV tuner driver registered.
tuner: chip found at addr 0xc2 i2c-bus bt878 #0 [sw]
i2c-core.o: client [(tuner unset)] registered to adapter [bt878 #0
[sw]](pos. 0).
 
Any help at all is appreciated, Im SOooooo close, and REALLY want to
get this working. 
 
Thanks in advance-
Jeff
 
Jeffrey Brinkerhoff, Systems Analyst
Syracuse University, Information Systems Department
V: 315-443-5941   F:315-443-2376
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