[linux-dvb] Re: Twinhan DVB-T, 2.6.10 kernel, and udev - where to start?!

[Manu Abraham <manu@kromtek.com>]

On Mon January 3 2005 12:42 pm, Andrew wrote:
> On Mon, 3 Jan 2005 12:10 pm, linuxtv@whitear.org wrote:
> > I'm trying to get a Twinhan VisionPlus DVB-T card working with a vanilla
> > 2.6.10 kernel and udev. I'm a little confused as to where to start. I'm
> > using the kernel's stock DVB drivers. It seems there's been some work on
> > the Twinhan drivers by Manu recently - are they in CVS? (and should I be
> > using CVS!?) If I _do_ use cvs, should I also use a recent snapshot of
> > bttv?
> >
> > I have created the dvb.sh script and dvb udev rules as per the readme. I
> > am modprobing the modules in the following order:-
> >
> > bttv card=0x71 i2c_hw=1
> > dvb-bt8xx
> > dst
> >
> > which gives me an lsmod like this:-
> >
> > dvb_bt8xx               7972  0
> > dvb_core               75624  1 dvb_bt8xx
> > nxt6000                 6852  1 dvb_bt8xx
> > mt352                   5028  1 dvb_bt8xx
> > dst                    12360  1 dvb_bt8xx
> > bt878                   8596  2 dvb_bt8xx,dst
> > sp887x                  7492  1 dvb_bt8xx
> > tuner                  20772  0
> > bttv                  146832  2 dvb_bt8xx,bt878
> > video_buf              17412  1 bttv
> > firmware_class          7520  3 dvb_bt8xx,sp887x,bttv
> > v4l2_common             4576  1 bttv
> > btcx_risc               3752  1 bttv
> > videodev                7328  1 bttv
> >
> > However, the bttv driver doesn't seem to be able to find a frontend for
> > the card. Here's what dmesg says.
> >
> > Linux video capture interface: v1.00
> > bttv: driver version 0.9.15 loaded
> > bttv: using 8 buffers with 2080k (520 pages) each for capture
> > bttv: Host bridge needs ETBF enabled.
> > bttv: Bt8xx card found (0).
> > PCI: Found IRQ 10 for device 0000:00:0e.0
> > PCI: Sharing IRQ 10 with 0000:00:0e.1
> > bttv0: Bt878 (rev 17) at 0000:00:0e.0, irq: 10, latency: 66, mmio:
> > 0x42100000
> > bttv0: detected: Twinhan VisionPlus DVB-T [card=113], PCI subsystem ID is
> > 1822:0001
> > bttv0: using: Twinhan DST + clones [card=113,insmod option]
> > bttv0: enabling ETBF (430FX/VP3 compatibilty)
> > bttv0: gpio: en=00000000, out=00000000 in=00f9fcfe [init]
> > bttv0: using tuner=4
> > bttv0: add subdevice "dvb0"
> > bt878: AUDIO driver version 0.0.0 loaded
> > bt878: Bt878 AUDIO function found (0).
> > PCI: Found IRQ 10 for device 0000:00:0e.1
> > PCI: Sharing IRQ 10 with 0000:00:0e.0
> > bt878(0): Bt878 (rev 17) at 00:0e.1, irq: 10, latency: 66, memory:
> > 0x42300000
> > DVB: registering new adapter (bttv0).
> > dvb-bt8xx: A frontend driver was not found for device 109e/0878 subsystem
> > 1822/0001
> >
> > I end up with a device for adapater0, like so:-
> >
> > server log # ls /dev/dvb/adapter0
> > demux0  dvr0  net0
> >
> > I'm not sure if this is a udev problem, or another issue. Any help is
> > greatly appreciated.
> >
> > Cheers,
> >
> > Jon
>
> Ive had the same problems on one of my pc's. Changing the card to another
> pc it worked ok.  Has got to do with i2c errors, if you enable dst_debug=1
> you will see the i2c errors in kernel log.
The first machine was a VIA chipset based motherboard ?

Manu
>
> Good luck.
>
> Andrew