On 11/26/12 22:39, Oliver Schinagl wrote:
On 11/26/12 21:28, Lars Hanisch wrote:
Hi,
Am 26.11.2012 21:24, schrieb Oliver Schinagl:
Why build it externally? I was quite certain that the ddbridge drivers are in mainline for a while now? Which modules to you select?
ddbridge is upstream with DVB-S2 support, but not the driver for my C/T-module.
What C/T driver module are you using?
I do have a Terratec DVB-T dual (which does dvb-c too on 1 of the dual tuners) which features the drxk demodulator. So I think your card should be quite supported in mainline already.
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob_plai...
even lists: / so unless I go digging into the linux-media code, I think even dvb-CT support has been mainlined :)
static int port_has_drxk(struct i2c_adapter *i2c, int port) { u8 val;
if (i2c_read(i2c, 0x29+port, &val) < 0) return 0; return 1; }
static int demod_attach_drxk(struct ngene_channel *chan, struct i2c_adapter *i2c) { struct drxk_config config;
memset(&config, 0, sizeof(config)); config.microcode_name = "drxk_a3.mc"; config.qam_demod_parameter_count = 4; config.adr = 0x29 + (chan->number ^ 2);
chan->fe = dvb_attach(drxk_attach, &config, i2c); if (!chan->fe) { printk(KERN_ERR "No DRXK found!\n"); return -ENODEV; } chan->fe->sec_priv = chan; chan->gate_ctrl = chan->fe->ops.i2c_gate_ctrl; chan->fe->ops.i2c_gate_ctrl = drxk_gate_ctrl; return 0; }
Ah! that explains a lot. I did a quick read through that german site, but they simply pull the latest media-linux git tree, so that should go into mainline every cycle or so I guess.
Nevertheless, good to know that DVB-S2 on the ngene is well supported (I guess ) :)
Lars.
On 11/26/12 18:20, Lars Hanisch wrote:
Hi,
Am 26.11.2012 10:13, schrieb Oliver Schinagl:
I'm thinking of getting into the whole satellite thing (DVB-T user for now) and was searching for interesting DVB-S2 tuners. I found that the l4m octopus/duoflex-s2 a very interesting device. While expensive you can connect up to 8 tuners! to a single PCI-e 1x lane (Bandwith should be more then enough). While I know there is a octopus mini-pcie device, I heard that there where some PCB issues so decided on getting the PCI-e version.
I have tried googling for some up to date linux! information but found very little. Are there any l4m/dd octopus/duoflex DVB-S2 (or even CAM/DVB-C/DVB-T) users here that can share their current (and past) experiences? The tuner (only 1 dualtuner board and the octopus) will set you back a good 200Euro so I want to be sure that the devices is properly supported.
I'm using a DuoFlex with a DVB-C/T dual tuner modul. How to build the latest drivers is described here (german only):
http://www.vdr-portal.de/board16-video-disk-recorder/board85-hdtv-dvb-s2/113...
If you'r using Ubuntu or yaVDR, there's the linux-media-dkms package with this driver included. My DVB-C/T card is working here for months with no problems. Second dual tuner is ordered... :)
Lars.
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