Re: [linux-dvb] SDMC DM1105N not being detected

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On 25 May 2009 22:50:39 Simon Kenyon wrote:
> Igor M. Liplianin wrote:
> > On 20 May 2009 16:44:22 Simon Kenyon wrote:
> >> mp3geek wrote:
> >>> Not even being detected in Linux 2.6.29.1, I have the modules "dm1105"
> >>> loaded, but since its not even being detected by linux..
> >>>
> >>> lspci -vv shows this (I'm assuming this is the card..), dmesg shows
> >>> nothing dvb being loaded
> >>>
> >>> 00:0b.0 Ethernet controller: Device 195d:1105 (rev 10)
> >>>     Subsystem: Device 195d:1105
> >>>     Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop-
> >>> ParErr- Stepping- SERR- FastB2B- DisINTx-
> >>>     Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort-
> >>> <TAbort- <MAbort- >SERR- <PERR- INTx-
> >>>     Latency: 30 (4000ns min, 8000ns max), Cache Line Size: 32 bytes
> >>>     Interrupt: pin A routed to IRQ 5
> >>>     Region 0: I/O ports at 9400 [size=256]
> >>>
> >>>
> >>> The chip says the following, SDMC DM1105N, EasyTV-DVBS V1.0B
> >>> (2008-04-26), 0735 E280034
> >>
> >> because i saw that there was a driver written by igor, i took a chance
> >> and bought a DM04 DVB-S card on ebay. it only cost ─20 (including
> >> shipping from HK to Ireland) so i reckoned "nothing ventured, nothing
> >> gained"
> >> on a windows box it runs rather nicely. granted that the software
> >> provided does not provide a BDA driver, so you are pretty much limited
> >> to the stuff that comes with the card.
> >> but a big "me too" on linux (which is what i bought it for)
> >> i similarly get an "ethernet controller" and nothing in the kernel log
> >> when i load the dm1105 module.
> >>
> >> what do i need to do to debug the situation and/or update the driver?
> >>
> >> regards
> >> --
> >> simon
> >
> > It seems, one can find GPIO values for LNB power control.
> > Do not forget about Vendor/Device ID's.
> >
> > I wrote code to support card with subsystem/device 195d/1105, but no one
> > reported success, so I decided not to include it in commit :(
> >
> > It was more then one year ago
> >
> > http://liplianin.at.tut.by/dvblipl.tar.bz2
>
> igor,
>
> i downloaded it and built it (after making a few small changes to make
> it compile with tip)
> it finds the hardware, but does not seem able to get a data stream
> kaffeine seems to show that there is signal - and it does seem to vary
> in a way that is consistent with a working card
>
> what do i need to do to help get this to work. i would like to as (under
> windows) it seems to work well and it is very, very cheap (13 euro on ebay)
>
> it is on a machine which i can dual boot into windows (if that is any use)
>
> regards
> --
> simon
The card is working with external LNB power supply, for example, through the loop out from another 
sat box. So, we need to know, which way to control LNB power on the board. Usually it is through 
GPIO pins.
For example:
Pins 112 and 111 for GPIO0, GPIO1. Also GPIO15 is at 65 pin.
You can edit this lines in code:
-*-*-*-*-*-*-*-*-*-*-*-*-
/* GPIO's for LNB power control for Axess DM05 */
#define DM05_LNB_MASK                           0xfffffffc  // GPIO control
#define DM05_LNB_13V                            0x3fffd // GPIO value
#define DM05_LNB_18V                            0x3fffc // GPIO value
-*-*-*-*-*-*-*-*-*-*-*-*-

BTW:
Bit value 0 for GPIOCTL means output, 1 - input.
Bit value for GPIOVAL - read/write.
GPIO pins count is 18. Bits over 18 affect nothing.


-- 
Igor M. Liplianin
Microsoft Windows Free Zone - Linux used for all Computing Tasks
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